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You searched for: Subject term cultivars Remove constraint Subject term: cultivars Subject term Gossypium hirsutum Remove constraint Subject term: Gossypium hirsutum Subject term cotton Remove constraint Subject term: cotton
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1. Performance of cotton cultivars and strains in South Carolina - 1998

Author:
May, O.L.; Sullivan, M.J.; Barefield, D.K. Jr.; Robinson, D.M.; Veasey, G.M.
Source:
Performance of field crops in South Carolina section 3, cotton / O.L. May ... [et al.] pp. -
Subject:
cotton; variety trials; cultivars; Gossypium hirsutum; geographical variation; agronomic traits; fiber quality; lint yield; South Carolina
Handle:
10113/47655

2. Variability in the properties of lint of upland cotton

Author:
Green, J.M.
Source:
Agronomy journal 1950 v.42 no.7 pp. 338-341
ISSN:
0002-1962
Subject:
physical properties; cultivars; lint cotton; Gossypium hirsutum; cottonseed; genetic variation; fiber quality
Abstract:
... Frequency distributions presented for several characters in upland cotton approach a normal distribution and indicate considerable variation within the species. In the case of length, fineness, and strength the local varieties used as checks have become stabilized near the mean of the entire sample. Conscious selection for staple length has been practiced for many years, and apparently fineness ha ...
DOI:
10.2134/agronj1950.00021962004200070005x

3. Cotton Leaf Temperatures as Related to Soil Water Depletion and Meteorological Factors

Author:
William L. Ehrler
Source:
Agronomy journal 1973 v.65 no.3 pp. 404-409
ISSN:
0002-1962
Subject:
Gossypium barbadense; Gossypium hirsutum; air temperature; canopy; climate; cotton; cultivars; drought; field experimentation; irrigated farming; irrigation scheduling; leaves; lint yield; plant response; plant-water relations; soil water; soil water deficit; soil-plant interactions; stomatal movement; surge irrigation; vapor pressure
Abstract:
... In two field experiments with cotton (Gossypium), the relation between moderate soil water depletion and leaf-air temperature difference (ΔT) was investigated for feasibility of measurement and possible use as a guide to irrigation scheduling. Hourly temperatures of the upper leaves and of the air 1 m above the canopy were obtained for three cultivars of short-staple cotton (G. hirsutum L.) and on ...
Handle:
10113/55274
DOI:
10.2134/agronj1973.00021962006500030016x

4. Determinate Cotton Cultivars for More Efficient Cotton Production on Medium-Textured Soils in the Lower Rio Grande Valley of Texas

Author:
L. N. Namken; M. D. Heilman
Source:
Agronomy journal 1973 v.65 no.6 pp. 953-956
ISSN:
0002-1962
Subject:
Gossypium hirsutum; cotton; crop production; cultivars; defoliation; early development; fiber quality; fruiting; fruits; harvest date; insect control; rain; soil texture; Texas
Abstract:
... The short-season concept (early defoliation and early harvest) offers, perhaps, the greatest potential for increasing the efficiency of cotton (Gossypium hirsutum L.) production and for minimizing insect control requirements in the Lower Rio Grande Valley of Texas. Early defoliation also allows harvesting during the most optimum period in relation to expected rainfall. The fruiting, earliness, yie ...
DOI:
10.2134/agronj1973.00021962006500060032x

5. Dissipation and Phytotoxicity of Dicamba Residues in Water

Author:
C. J. Scifres; T. J. Allen; C. L. Leinweber; K. H. Pearson
Source:
Journal of environmental quality 1973 v.2 no.2 pp. 306-309
ISSN:
0047-2425
Subject:
Cucumis sativus; Gossypium hirsutum; Sorghum bicolor; cotton; crops; cucumbers; cultivars; dicamba; herbicide residues; irrigation water; phytotoxicity; ponds; sediments; seedlings; summer; surface area; temperature
Abstract:
... The herbicide, 3-6-dichloro-o-anisic acid (dicamba), dissipated most rapidly from water under non-sterile, lighted conditions. Pond sediment evidently contained microbial populations capable of decomposing the herbicide. Temperature was crucial in dicamba dissipation, especially in the presence of sediment. Influence of sediment on dissipation rate of dicamba was apparently augmented by light in s ...
DOI:
10.2134/jeq1973.00472425000200020032x

6. Effect of Soil Moisture During Early Stages of Development on Growth and Yield of Cotton Plants

Author:
A. Marani; D. Levi
Source:
Agronomy journal 1973 v.65 no.4 pp. 637-641
ISSN:
0002-1962
Subject:
Gossypium hirsutum; climatic factors; coastal plains; cotton; cultivars; flowering; fruiting; irrigation; leaf area; leaf area index; lint yield; soil water; temperature
Abstract:
... The effect of three irrigation treatments on the vegetative development of two cultivars of upland cotton (Gossypium hirsutum L.) was studied in two experiments conducted under different climatic conditions. The treatments differed until the middle of flowering and were designated as L (no irrigation), M (regular), and H (early and excessive irrigation). From mid-flowering onwards all plots were i ...
DOI:
10.2134/agronj1973.00021962006500040032x

7. Incorporation of 14C-Photosynthate into Developing Cotton Bolls, Gossypium hirsutum L.

Author:
C. R. Benedict; R. H. Smith; R. J. Kohel
Source:
Crop science 1973 v.13 no.1 pp. 88-91
ISSN:
0011-183X
Subject:
Gossypium hirsutum; cotton; cultivars; flowering
Abstract:
... Incorporation of ¹⁴C-photosynthate into developing cotton (Gossypium hirsutum L.) bolls of several ages was studied in the cultivar ‘Paymaster III.’ Maximum incorporation of ¹⁴C-assimilate into developing boll walls and fiber occurred at 8 to 10 and 23 to 40 days after anthesis, respectively. ¹⁴C-photosynthate incorporation was rapidly increasing in the developing fibers prior to the completion of ...
DOI:
10.2135/cropsci1973.0011183X001300010028x

8. The Effect of Fallowing Obtained with Skip-Row Culture on Verticillium Wilt of Cotton

Author:
C. D. Ranney
Source:
Journal of environmental quality 1973 v.2 no.2 pp. 303-306
ISSN:
0047-2425
Subject:
Gossypium hirsutum; Verticillium; Verticillium wilt; cotton; crop production; cultivars; fallow; micronaire; row spacing; seed quality
Abstract:
... Skip-row production of cotton (Gossypium hirsutum L.), plant-4-rows-skip-4-rows, permits clean fallowing of the nonplanted rows. The fallow obtained from this cultural practice was effective in reducing Verticillium wilt (Verticillium dalhiae Kelb.) incidence, increasing yield, and improving fiber and seed quality. Irrespective of cultivar used during the 2-year study, cotton produced on plots fal ...
DOI:
10.2134/jeq1973.00472425000200020031x

9. Gardener's Grid System and Plant Selection Efficiency in Cotton

Author:
Laval M. Verhalen; Jerry L. Baker; Ronald W. McNew
Source:
Crop science 1975 v.15 no.4 pp. 588-591
ISSN:
0011-183X
Subject:
Acheta domesticus; Festuca arundinacea; Gossypium hirsutum; acid detergent fiber; cellulose; cotton; cultivars; forage; heritability; lignin; mortality; phenotype; phenotypic variation; progeny; quantitative traits; ruminants; selection intensity; tensile strength
Abstract:
... Gardner's grid system was investigated relative to plant selection efficiency within an upland cotton (Gossypium hirsutum L.) cultivar known to be genetically variable for fiber length. A relatively small area, planted to ‘Westburn,’ was arbitrarily subdivided into three equalsized grids prior to harvest. One hundred individual plant selections were made in each grid on the basis of boll type and ...
DOI:
10.2135/cropsci1975.0011183X001500040041x

10. Cottonseed Viability After Long-Time Storage

Author:
J. McD. Stewart; E. N. Duncan
Source:
Agronomy journal 1976 v.68 no.2 pp. 243-244
ISSN:
0002-1962
Subject:
Gossypium barbadense; Gossypium hirsutum; Gossypium thurberi; ambient temperature; cold; containers; cotton; cottonseed; cultivars; germplasm; longevity; mature plants; seed germination; seeds; storage temperature; viability; water content; Arizona
Abstract:
... Longevity of seed and knowledge of the conditions required to maintain seed viability are important in the preservation of germplasm. Cottonseed (Gossypium hirsutum L., G. barbadense L., G. thurberi Tod.) storage experiments were initiated in 1937 to establish conditions required to maintain long-term viability of cotton. This is the final report of those experiments. In one experiment, seed (G. h ...
DOI:
10.2134/agronj1976.00021962006800020008x

11. Evaluation of Verticillium Wilt Tolerance in Upland Cotton Relative to Lint Yield Reduction

Author:
A. Marani; Y. Z. Yaacobi
Source:
Crop science 1976 v.16 no.3 pp. 392-395
ISSN:
0011-183X
Subject:
Gossypium hirsutum; Verticillium dahliae; Verticillium wilt; cotton; cultivars; discoloration; fungi; lint yield; Israel
Abstract:
... Field experiments were conducted to compare methods of evaluating the tolerance of upland cotton (Gossypium hirsutum L.) to Verticillium dahliae Kleb. by visual symptoms. Good differentiation between susceptible and tolerant cultivars was obtained by observing foliar symptoms after the middle of the flowering period. Correlation studies indicated that foliar symptoms explained 31 to 45% of the var ...
DOI:
10.2135/cropsci1976.0011183X001600030019x

12. Nondestructive Method for the Determination of Boll Surface Area in Cotton

Author:
B. L. McMichael; C. D. Elmore; G. W. Cathey
Source:
Agronomy journal 1976 v.68 no.2 pp. 426-427
ISSN:
0002-1962
Subject:
Gossypium hirsutum; bolls; cotton; cultivars; equations; greenhouses; nondestructive methods; regression analysis; surface area; transpiration
Abstract:
... Fruit (boll) transpiration rates in cotton (Gossypium hirsutum L.) may be important in boll growth and movement of materials into developing bolls. Therefore to facilitate comparisons of transpiration rates of different age (and size) bolls, a nondestructive method for the estimation of cotton boll surface areas was evaluated using two commercial cultivars grown in the greenhouse. Boll length was ...
DOI:
10.2134/agronj1976.00021962006800020058x

13. Vegetative-fruiting Development and N Concentrations of a Dwarf Determinate Cotton Cultivar

Author:
D. F. Wanjura; H. D. Sunderman
Source:
Agronomy journal 1976 v.68 no.5 pp. 744-748
ISSN:
0002-1962
Subject:
Gossypium hirsutum; Paleustalfs; cotton; cultivars; dry matter accumulation; fertilizer rates; fruiting; loam soils; nitrogen; nitrogen content; row spacing; simulation models
Abstract:
... The lack of information needed to verify a nitrogen submodel for a cotton (Gossypium hirsutum L.) plant simulation model suggested the need to measure the effect of N level on a broad spectrum of vegetative and fruiting development characteristics in a single field study. The effect on plant N accumulation and growth of O, 90, and 180 kg N/ha applied to Amarillo loam soil, Aridic Paleustalfs, was ...
DOI:
10.2134/agronj1976.00021962006800050015x

14. Boll Weevil Resistance, Agronomic Characteristics, and Fiber Quality in Progenies of a Cotton Cultivar Crossed with 20 Primitive Stocks

Author:
Jack C. McCarty; Johnie N. Jenkins; W. L. Parrott
Source:
Crop science 1977 v.17 no.1 pp. 5-7
ISSN:
0011-183X
Subject:
Anthonomus grandis grandis; Gossypium hirsutum; cotton; cultivars; fiber quality; oviposition
Abstract:
... Primitive race stocks of cotton (Gossypium hirsutum L.), were crossed and backcrossed twice to the recurrent cultivar ‘Deltapine 16.’ These progenies were evaluated for boll weevil (Anthonomus grandis Boheman), oviposition suppression in 1973, 1974 or both, and for agronomic characteristics and fiber quality in 1973. Lines were grown in replicated field tests, and oviposition was measured weekly d ...
DOI:
10.2135/cropsci1977.0011183X001700010002x

15. Cotton Population Dynamics: Influence of the Within-the-Row Spacing and Emergence Time

Author:
D. F. Wanjura; J. D. Bilbro
Source:
Agronomy journal 1977 v.69 no.2 pp. 312-318
ISSN:
0002-1962
Subject:
Gossypium hirsutum; bolls; cotton; cultivars; developmental stages; plant height; population dynamics; sample size; stem nodes
Abstract:
... Dynamic and stochastic properties of cotton (Gossypium hirsutum L.) plant populations increase the difficulty of production management. The influence of four within-the-row plant spacings on beds spaced at 102 an (5, 20, and 40 cm, and random 7.5 to 10 cm) and three times of emergence (5, 7, and 9 days in 1973; 6, 8, and 10 days in 1974) on means and coefficient(s) of variability (CV) of plant hei ...
DOI:
10.2134/agronj1977.00021962006900020027x

16. Breeding Potentials of Noncultivated Cottons. IV. Location and Parental Effects on Agronomic Characters and Fiber Properties in Hybrids

Author:
F. D. Wilson; R. L. Wilson
Source:
Crop science 1978 v.18 no.3 pp. 467-471
ISSN:
0011-183X
Subject:
Gossypium hirsutum; Pectinophora gossypiella; agronomic traits; bolls; cotton; cultivars; fiber quality; genetic variation; heterosis; hybrids; inheritance (genetics); insecticides; Arizona
Abstract:
... We studied the inheritance of six agronomic characters and five fiber properties in Ft hybrids between two cultivars and eight primitive race stocks of cotton, Gossypium hirsutum L., in 1975 and between the same two cultivars and four other race stocks in 1976. Plants were grown at Phoenix, Ariz., where insecticides were applied as needed for control of pink bollworm, Pectinophora gossypiella (Sau ...
DOI:
10.2135/cropsci1978.0011183X001800030028x

17. Cotton Cultivar and Boll Maturity Effects on Aflatoxin Production

Author:
Stella Sun; G. M. Jividen; W. H. Wessling; Mary Lou Ervin
Source:
Crop science 1978 v.18 no.5 pp. 724-726
ISSN:
0011-183X
Subject:
Aspergillus flavus; Gossypium hirsutum; Pectinophora gossypiella; aflatoxins; cotton; cultivars; fungi; oxygen
Abstract:
... Commercial cotton cultivars (Gossypium hirsutum L.) were evaluated for aflatoxin production in 1974, 1975, and 1976 crop seasons. Bolls were inoculated at different levels of maturity with Aspergillus flavus Link. In 1974, the fungus produced aflatoxin in bolls of all 11 cultivars infected, but ‘Acala SJ-1’ and ‘Acala 1517’ were better subtrates for the production of aflatoxin than ‘Delcott 277’, ...
DOI:
10.2135/cropsci1978.0011183X001800050007x

18. Cotton Seedling Metabolism as Influenced by Germination Temperature, Cultivar, and Seed Physical Properties

Author:
D. R. Krieg; J. D. Carroll
Source:
Agronomy journal 1978 v.70 no.1 pp. 21-25
ISSN:
0002-1962
Subject:
Gossypium hirsutum; biochemical pathways; chemical analysis; cotton; cottonseed; cotyledons; cultivars; genetic variation; lipids; metabolism; planting; seed germination; seedling growth; seedlings; temperature
Abstract:
... Growth rates of cotton (Gossypium hirsutum L.) seedlings are greatly reduced at minimal germination temperatures. Increased variability in the seedling growth rates are more apparent at low temperatures, and delayed emergence or seedling death result in more erratic and nonuniform stands. The pupose of this study was to determine if a specific area of metabolism might be controlling seedling growt ...
DOI:
10.2134/agronj1978.00021962007000010006x

19. Inheritance of an Induced Mutation for Bacterial Blight Resistance in Cotton

Author:
L. A. Brinkerhoff; Laval M. Verhalen; Reza Mamaghani; William M. Johnson
Source:
Crop science 1978 v.18 no.5 pp. 901-903
ISSN:
0011-183X
Subject:
Gossypium hirsutum; Xanthomonas campestris pv. malvacearum; blight; cotton; cultivars; dominant genes; induced mutation; inheritance (genetics); mutants; neutrons; resistance genes
Abstract:
... An induced mutation for an intermediate level of resistance to bacterial blight [Xanthomonas malvacearum (E. F. Sm.) Dows.] in cotton (Gossypium hirsutum L.) was obtained after irradiating seed of a blight-susceptible cultivar, ‘Westburn 70’, with fission neutrons. Inheritance studies indicated that the resistance was due to a single dominant gene. The mutant was not identical to B₃, B₄, B₅, B₇, o ...
DOI:
10.2135/cropsci1978.0011183X001800050059x

20. Role of Minimum and Maximum Environmental Temperature on Maturation Period of the Cotton Boll

Author:
A. Yfoulis; A. Fasoulas
Source:
Agronomy journal 1978 v.70 no.3 pp. 421-425
ISSN:
0002-1962
Subject:
Gossypium hirsutum; adverse effects; ambient temperature; breeding; cotton; cultivars; early development; field experimentation; night temperature; temperate zones; Greece
Abstract:
... Temperature is critical in boll formation, and in temperate climates earliness is one of the main breeding objectives. The effect of night and day temperature on the boll maturation period of five genetically divergent cultivars of cotton (Gossypium hirsutum L.) was studied in a 3-year field experiment at Sindos, Greece. Under a 24-hour cycle (mean temperature 18 to 32 C) night temperature shorten ...
DOI:
10.2134/agronj1978.00021962007000030014x

21. Seed Damage by Pink Bollworm to Race Stocks, Cultivars, and Hybrids of Cotton

Author:
F. D. Wilson; R. L. Wilson
Source:
Crop science 1978 v.18 no.3 pp. 465-467
ISSN:
0011-183X
Subject:
Gossypium hirsutum; Pectinophora gossypiella; antibiosis; cotton; cultivars; diet; genes; harvest date; hybrids; seed damage; Texas
Abstract:
... Noncultivated race stocks of cotton (Gossypium hirsutum L.) previously selected via diet bioassays for antibiosis to pink bollworm (Pectinophora gossypiella Saunders), were field-tested for resistance along with cultivars and race stock ✕ cultivar F₁ hybrids. No race stock or hybrid was consistently more resistant than the cultivars in 1975. In 1976, one race stock, Texas 40, and two hybrids showe ...
DOI:
10.2135/cropsci1978.0011183X001800030027x

22. Cotton Cultivar Response to Propazine and Atrazine

Author:
J. R. Abernathy; J. W. Keeling; L. L. Ray
Source:
Agronomy journal 1979 v.71 no.6 pp. 929-931
ISSN:
0002-1962
Subject:
Gossypium hirsutum; Paleustalfs; agronomy; atrazine; cotton; cultivars; phytotoxicity; propazine; sandy clay loam soils
Abstract:
... Forty-eight cotton (Gossypium hirsutum L.) cultivars were evaluated in field studies over a 2-year period to determine tolerance to phytotoxic soil residue levels of propazine [2-chloro-4,6-bis (isopropylamine)-s-triazine] and atrazine [Z-chloro-4-(ethylamiamino)-6-isopropylami)-s-triazine] present after use in rotational grain crops. After planting, preemergence, broadcast applications of atrazin ...
DOI:
10.2134/agronj1979.00021962007100060009x

23. Field Studies and Model Simulation of the First Square Event in Cotton

Author:
D. F. Wanjura; J. W. Jones; J. D. Hesketh
Source:
Agronomy journal 1979 v.71 no.2 pp. 261-266
ISSN:
0002-1962
Subject:
Gossypium hirsutum; air temperature; binomial distribution; cotton; cultivars; germination; population density; seedlings; simulation models; variance
Abstract:
... The ability of cotton (Gossypium hirsutum L) production models to accurately predict the first-square event is essential for estimating square and boll production rates. A first-square model was formulated which requires three plant character inputs: 1) mainstem node number limits for first-square positions, 2) characterization of fist-square distribution between the mainstem node limits, and 3) a ...
DOI:
10.2134/agronj1979.00021962007100020011x

24. Influence of Five Gossypium Species Cytoplasms on Yield, Yield Components, Fiber Properties, and Insect Resistance in Upland Cotton

Author:
W. R. Meredith; Vesta Meyer; B. W. Hanny; J. C. Bailey
Source:
Crop science 1979 v.19 no.5 pp. 647-650
ISSN:
0011-183X
Subject:
Empoasca; Gossypium hirsutum; Heliothis virescens; Lygus lineolaris; Trialeurodes; backcrossing; cotton; cultivars; cytoplasm; insect resistance; insects; pests
Abstract:
... The influence of five exotic cotton (Gossypium spp.) cytoplasms on yield, yield components, fiber properties, and insect populations was determined at Stoneville, Miss. The five cytoplasms were G. herbaceum L., G. arboreum L., G. anomalum Wawra ex Wawra & Peyr., G. barbadense L., and G. tomentosum Nutt. ex Seem. The five cytoplasms were combined by repeated backcrossing into the following upland c ...
DOI:
10.2135/cropsci1979.0011183X001900050025x

25. Pyro-Chemiluminescent Differentiation of Oxidized and Reduced N Forms Evolved from Plant Foliage

Author:
R. T. Weiland; C. A. Stutte
Source:
Crop science 1979 v.19 no.4 pp. 545-547
ISSN:
0011-183X
Subject:
Amaranthus palmeri; Glycine max; Gossypium hirsutum; canopy; chemiluminescence; cotton; cultivars; leaves; nitrogen; oxidation; pyrolysis; soybeans; transpiration; water solubility; water stress; weeds
Abstract:
... Evaluations were made to differentiate the forms of water soluble, non-elemental nitrogen lost with the trans. piration water vapors from plant foliage. Chemiluminescent detection of chemically bound N, with O₂ present as a reactant-carrier gas, and then absent and replaced with N₂ during the pyrolysis of transpiration samples, distinguished the oxidized from the reduced N forms in the transpirate ...
DOI:
10.2135/cropsci1979.0011183X011200190027x

26. Relationship of Week of Flowering and Parameters of Boll Yield in Cotton

Author:
J. H. Turner; S. Worley; H. H. Ramey; P. E. Hoskinson; J. M. Stewart
Source:
Agronomy journal 1979 v.71 no.2 pp. 248-251
ISSN:
0002-1962
Subject:
Gossypium hirsutum; agronomy; cotton; cultivars; seed yield; surface area
Abstract:
... Cotton (Gossypium hirsutum L.) experiments generally are reported in yield per unit area of land. This yield is a product of number of bolls per unit area and yield per boll. Estimates of yield per boll include an element of sampling. Our purpose was to relate week of flowering to the variability of boll yield components. Boll samples derived from 5 consecutive weeks (periods) of blooming in six d ...
DOI:
10.2134/agronj1979.00021962007100020008x

27. Effect of 2,4-D on Cotton Yield, Floral Nectar, Seed Germination, and Honeybee Visits

Author:
Joseph O. Moffett; Lee S. Stith; Howard L. Morton; Charles W. Shipman
Source:
Crop science 1980 v.20 no.6 pp. 747-750
ISSN:
0011-183X
Subject:
2,4-D; Apis mellifera; Gossypium hirsutum; acetic acid; cotton; cottonseed; cultivars; flowers; honey; honey bees; hybrids; males; nectar; nectar secretion; seed germination; sugars; Arizona
Abstract:
... In Arizona honey bees, Apis mellifera L., frequently visit cotton flowers, Gossypium hirsutum L., in sufficient numbers to adequately pollinate the male sterile flowers and produce hybrid cotton seed. Yet in some other states and at times in Arizona, honey bee visits to cotton flowers are low or erratic. Since hybrid cotton seed may be in demand in the near future, this study was made to determine ...
DOI:
10.2135/cropsci1980.0011183X002000060017x

28. Emergence Force by Cotton Seedlings

Author:
C. J. Gerard
Source:
Agronomy journal 1980 v.72 no.3 pp. 473-476
ISSN:
0002-1962
Subject:
Gossypium hirsutum; agronomy; cotton; cultivars; hypocotyls; seedling emergence; seedlings; soil crusts; soil water; temperature; transducers (equipment)
Abstract:
... Economic returns from crops require establishment of a good plant stand. Soil crusting reduces seedling emergence and stands of many crops throughout the world. One of the most important crops adversely affected by crusting is cotton (Gossypium hirsutum L.). The force exerted by germinating plants such as cotton often determines the seedling's abdity to rupture and emerge from under the soil crust ...
DOI:
10.2134/agronj1980.00021962007200030016x

29. Evaluation of Foreign and Domestic Cotton Cultivars and Strains for Boll Weevil Resistance

Author:
Lavone Lambert; Johnie N. Jenkins; William L. Parrott; Jack C. McCarty
Source:
Crop science 1980 v.20 no.6 pp. 804-806
ISSN:
0011-183X
Subject:
Anthonomus grandis grandis; Gossypium hirsutum; aldehydes; cotton; cultivars; flowers; oviposition; terpenoids
Abstract:
... Forty-four domestic and introduced cotton (Gossypium hirsutum L.) cultivars and strains were evaluated in the laboratory for resistance to the boll weevil, Anthonomus grandis Boh. Opposition by the boll weevil was significantly lower in squares (flower buds) from eight cottons (‘Lasani 11,’ ‘AC 134,’ ‘Albar 627,’ G077-2, ‘BP 52/NC 63,’ TX-LY-18-72, DES-HJERB 16, and DES-ARB 16) than in squares fro ...
DOI:
10.2135/cropsci1980.0011183X002000060032x

30. Timing Late-season Fruiting Termination of Cotton with Potassium 3,4-Dichloroisothiazole-5-Carboxylate

Author:
D. L. Kittock; H. Fred Arle; T. J. Henneberry; L. A. Bariola; V. T. Walhood
Source:
Crop science 1980 v.20 no.3 pp. 330-333
ISSN:
0011-183X
Subject:
cotton; harvest date; Pectinophora gossypiella; application timing; cultivars; flowering; Gossypium hirsutum; plant growth substances; Gossypium barbadense; fruit set; potassium; immatures; bolls; insect control; Arizona; California
Abstract:
... A plant growth regulator, Pennwalt TD-1123³ (3,4- dichlorolsothiazole-5-carboxylic acid) was evaluated as a chemical termination agent for reducing fruit set on cotton (Gossyplum spp.) in 32 tests in Arizona and California from 1974 through 1977. A reduction in immature bolls through chemical termination causes a similar reduction in diapausing pink bollworms [Pectinophora gossypiella (Saunders)]. ...
Handle:
10113/54623
DOI:
10.2135/cropsci1980.0011183X002000030010x

31. Breeding Potentials of Noncultivated Cottons. V. Productivity of Cultivars, Race Stocks, and F1 Hybrids among Them in Long- and Short-Day Environments

Author:
F. D. Wilson; B. W. George
Source:
Crop science 1981 v.21 no.3 pp. 410-414
ISSN:
0011-183X
Subject:
cotton; cultivars; heterosis; hybrids; environment; races; winter; Gossypium hirsutum; parents; agronomic traits; genotype-environment interaction; additive gene effects; summer; genetic variation; bolls; lint yield; Puerto Rico
Abstract:
... Twelve primitive race stocks of cotton (Gossypiura hirsutum L.), four Upland cultivars, and 24 race stock ✕ cultivar F₁ hybrids were grown in three replicated tests in the summer at Phoenix, Ariz. and in the winter at Isabela, Puerto Rico. Objectives of this research were to compare productivity, to study hybrid expression of agronomic properties, and to determine the effects of cultivar ✕ race st ...
Handle:
10113/54604
DOI:
10.2135/cropsci1981.0011183X002100030014x

32. Competition Between Adjacent Fruiting Forms in Cotton

Author:
T. A. Kerby; D. R. Buxton
Source:
Agronomy journal 1981 v.73 no.5 pp. 867-871
ISSN:
0002-1962
Subject:
Gila; Gossypium hirsutum; Torrifluvents; abscission; agronomy; cotton; cultivars; flowering; irrigation; leaves; okra; plant density
Abstract:
... Cotton plants (Gossypium hirsutum L.) produce more fruiting forms that can be supplied assimilates, and competition and abortion occurs. The relationship is accentuated with narrow-row, high population culture. This study was conducted to determine the extent that fruiting forms compete and influence abscission of adjacent fruiting forms. The study was also designed to determine if plant leaf type ...
DOI:
10.2134/agronj1981.00021962007300050028x

33. Influence of Phenotype, Season, and Time-of-day on Nectar Production in Cotton

Author:
Gordon D. Waller; F. D. Wilson; Joseph H. Martin
Source:
Crop science 1981 v.21 no.4 pp. 507-511
ISSN:
0011-183X
Subject:
Apis mellifera; Gossypium barbadense; Gossypium hirsutum; breeding stock; cotton; crop production; cultivars; diurnal variation; flowering; flowers; honey bees; nectar; nectar secretion; phenotype; seasonal variation; sugars
Abstract:
... Twenty-five cultivars and breeding stocks of Gossypium hirsutum L. and two cultivars of G. barbadense L. were studied for rates of flowering and diurnal and seasonal patterns Of floral nectar production. Nectar secretion began ca. 0800 hours and production increased linearly until the flowers closed at ca. 1700 hours. In mid-season, G. hirsutum produced 25 µ1 nectar/flower for at least 5 weeks. Ne ...
Handle:
10113/54596
DOI:
10.2135/cropsci1981.0011183X002100040007x

34. Potassium Response of Cotton on Some Inceptisols and Oxisols of Nothern Nigeria

Author:
G. Lombin; S. Mustafa
Source:
Agronomy journal 1981 v.73 no.4 pp. 724-729
ISSN:
0002-1962
Subject:
Gossypium hirsutum; Haplustox; Inceptisols; calcium; chemical analysis; cotton; crops; cultivars; exchangeable calcium; exchangeable magnesium; exchangeable potassium; fallow; fertilizer application; leaves; magnesium; nutrient requirements; potassium; potassium fertilizers; regression analysis; sandstone; savannas; topsoil; Nigeria
Abstract:
... Consequent upon the shift from the traditional bush fallowing system of agriculture to more intensive continuous cultivation, plant-available soil K which was hitherto considered adequate in the West African savannah zone is now becoming a major yield limiting factor. Information is urgently needed on the K fertilization requirements of the promising crop varieties and on the suitable diagnostic p ...
DOI:
10.2134/agronj1981.00021962007300040038x

35. Influence of Leaf Morphology on Lint Yield of Cotton—Enhancement by the Sub Okra Trait

Author:
William R. Meredith
Source:
Crop science 1984 v.24 no.5 pp. 855-857
ISSN:
0011-183X
Subject:
Gossypium hirsutum; cotton; cultivars; homozygosity; leaf morphology; leaves; lint yield; mutants; okra; river deltas
Abstract:
... Sub okra leaf (L¹⁴) is a trait in cotton (Gossypium hirsutum L.) which displays greater indentation of sinus and more lobing than does normal leaf (l). This study was initiated because previous research on the influence of this trait for lint yield or its components had been reported. In 1981, 48 populations descending from 24 crosses were initiated to compare the influence of this trait on yield ...
DOI:
10.2135/cropsci1984.0011183X002400050007x

36. Pink bollworm (Lepidoptera: Gelechiidae): oviposition and larval success on resistant and susceptible cotton plants

Author:
Wilson, F.D.; George, B.W.; Szaro, J.L.
Source:
Journal of economic entomology 1984 v.77 no.3 pp. 709-714
ISSN:
0022-0493
Subject:
Gossypium hirsutum; Pectinophora gossypiella; antibiosis; bolls; branches; breeding stock; cotton; cultivars; eggs; field experimentation; flowers; greenhouse experimentation; greenhouses; insecticides; larvae; larval development; leaves; oviposition; pest resistance
Abstract:
... Oviposition and larval development of pink boll worm (PBW), Pectinophora Gossypiella (Saunders), on a breeding stock of upland cotton, Gossypium hirsutum L., designated AET-5, was compared to that on a commercial cultivar, 'Deltapine 61' (DPL-61), in greenhouse no-choice and free-choice tests, and in field free-choice tests. The field resistance of AET-5 was caused mainly by lower PBW oviposition. ...
Handle:
10113/54663
DOI:
10.1093/jee/77.3.709

37. Cellulose Packing Density in the Secondary Wall of Never Dried Cotton Fibers

Author:
M.-C. Peeters; E. De Langhe
Source:
Textile research journal 1986 v.56 no.12 pp. 755-758
ISSN:
0040-5175
Subject:
packaging; cotton; cotton industry; drying; cultivars; cellulose; Gossypium barbadense; Gossypium arboreum; Gossypium hirsutum
Abstract:
... This quantitative study of the cellulose content of secondary walls of never dried cotton fibers uses a technique based on colorimetry. The study reveals that the density of cellulose, i.e., the mass of cellulose per volume of secondary wall, is identical for all never dried cotton fibers and independent of the genotype. Various plant growth conditions do not influence this cellulose density. For ...
DOI:
10.1177/004051758605601207

38. Injury and Yield Response of Cotton to Chronic Doses of Ozone and Sulfur Dioxide

Author:
Allen S. Heagle; W. W. Heck; V. M. Lesser; J. O. Rawlings; F. L. Mowry
Source:
Journal of environmental quality 1986 v.15 no.4 pp. 375-382
ISSN:
0047-2425
Subject:
Gossypium hirsutum; air quality; cotton; crop yield; crops; cultivars; leaves; models; ozone; regression analysis; sulfur dioxide; North Carolina
Abstract:
... Knowledge of relationships between chronic doses of O₃ and crop yield is required to set air quality standards that protect agricultural interests and to determine the need to develop resistant cultivars of sensitive species. Open-top field chamber studies have provided some information of this type for a few crop species including one western cullivar of cotton (Gossypium hirsutum L.). Our object ...
DOI:
10.2134/jeq1986.00472425001500040011x

39. Wind tunnel flight responses by hymenopterous parasitoid Campoletis sonorensis to cotton cultivars and lines

Author:
Elzen, G.W.; Williams, H.J.; Vinson, S.B.
Source:
Entomologia experimentalis et applicata 1986 v.42 no.3 pp. 285-289
ISSN:
0013-8703
Subject:
Campoletis sonorensis; Gossypium anomalum; Gossypium arboreum; Gossypium hirsutum; bioassays; chemical composition; cotton; cultivars; diploidy; females; flight; habitats; leaves; odors; parasitoids; terpenoids; volatile compounds; wind tunnels
Abstract:
... The behavior of parasitoid Campoletis sonorensis females to cotton (Gossypium hirsutum) leaf odor sources was examined in a wind tunnel bioassay. Parasitoids exhibited oriented flights to cotton but not to inert sources, and flew in significantly greater proportion to glanded cotton when compared to glandless cotton in choice tests. A relative lack of volatile terpenes in glandless cotton may acco ...
DOI:
10.1111/j.1570-7458.1986.tb01034.x

40. Energy and Water Balance of a Sparse Crop: Simulated and Measured Soil and Crop Evaporation

Author:
R. J. Lascano; C. H. M. van Bavel; J. L. Hatfield; D. R. Upchurch
Source:
Soil Science Society of America journal 1987 v.51 no.5 pp. 1113-1121
ISSN:
0361-5995
Subject:
Gossypium hirsutum; Paleustolls; arid lands; canopy; cotton; crop production; cultivars; data collection; energy; evaporation; evapotranspiration; heat; irrigation; leaf area index; meteorological data; rowcrops; semiarid zones; soil temperature; soil water; soil water content; standard deviation; temperature profiles; transpiration; water use efficiency; Texas
Abstract:
... Dryland crops grown in semiarid environments often do not completely cover the soil, leaving a portion of the soil surface exposed to a condition of rapid soil-water evaporation. Quantitative separation of soil evaporation and crop transpiration is important if cultural practices or cultivars are to be evaluated. This study was designed to evaluate a combined energy and water balance model, ENWATB ...
DOI:
10.2136/sssaj1987.03615995005100050004x

41. Induction of Adventitious Shoots in Cotton

Author:
Joshua A. Lee
Source:
Crop science 1987 v.27 no.2 pp. 349-350
ISSN:
0011-183X
Subject:
Gossypium hirsutum; callus; cambium; cotton; cultivars; excision; tetraploidy
Abstract:
... Plants of the tetraploid cotton species Gossypium hirsutum L. ordinarily produce secondary shoots only from axillary buds. Destruction of the primary shoot by excision below the cotyledonary axils occasionally leads to the production of adventitious shoots. Two plants of the cultivar Coker 201 produced adventitious shoots from what appeared to be callus tissue growing outward from stem cambium aft ...
DOI:
10.2135/cropsci1987.0011183X002700020046x

42. Analysis of Effects of Atmospheric Carbon Dioxide and Ozone on Cotton Yield Trends

Author:
V. R. Reddy; D. N. Baker; J. M. McKinion
Source:
Journal of environmental quality 1989 v.18 no.4 pp. 427-432
ISSN:
0047-2425
Subject:
Gossypium hirsutum; adverse effects; burning; carbon dioxide; cotton; crop models; cultivars; fossil fuels; growing season; lint yield; nutrient content; ozone; soil; Arizona; California; Mississippi; South Carolina; Texas
Abstract:
... Cotton (Gossypium hirsutum L.) yields have declined since 1964 despite improvements in technology and introductions of higher-yielding cultivars. Cotton scientists have been unable to identify exact causes of the yield decline. For the past 25 yr, global atmospheric CO₂ concentration ([CO₂]) has been increasing due to the increased burning of fossil fuels; cotton has been found to be sensitive to ...
DOI:
10.2134/jeq1989.00472425001800040005x

43. Quantification and Classification of Locational Effects on Cotton Cultivar Testing Programs

Author:
Shu Geng; Bingmin Hu; Dick M. Bassett
Source:
Agronomy journal 1990 v.82 no.3 pp. 514-518
ISSN:
0002-1962
Subject:
Gossypium hirsutum; agronomy; cluster analysis; cotton; cultivars; lint yield
Abstract:
... Multiple locations are commonly used to evaluate cultivar performance in breeding programs, but the relative contribution of location to cultivar selection is rarely discussed. This paper presents a method by which locatipnal effects can be quantified and classified. Lint yield data of upland cotton (Gossypium hirsutum L.) obtained from the U.S. Regional Cotton Variety Tests between the years 1981 ...
DOI:
10.2134/agronj1990.00021962008200030015x

44. Plant-derived oils and soap solutions as control agents for the whitefly on cotton

Author:
Puri, S.N.; Butler, G.D. Jr.; Henneberry, T.J.
Source:
Journal of applied zoological researches. 1991 v.2 no.1 pp. 1-5
ISSN:
0970-9304
Subject:
Bemisia tabaci; Gossypium hirsutum; adults; castor oil; cotton; cottonseed oil; cultivars; detergents; eggs; insect control; insecticidal properties; leaves; neem oil; nozzles; nymphs; pesticide application; phytotoxicity; soaps; spray coverage; sprayers; spraying; India
Abstract:
... Plant-derived oils and a washing powder were evaluated as sprays against sweetpotato whitefly, Bemisia tabaci Genn., in field studies in India. Two cottonseed oil formulations, (Flyteck-1) and a local formulation, castorbean oil (Flyteck-2), neemseed oil (Neemark) and a washing powder (Nirma) reduced numbers of adult whiteflies 1 day after treatment. Three days after treatment, the cottonseed oils ...
Handle:
10113/55056

45. Effect of early season insecticide use and square removal on fruiting patterns and fiber quality of cotton

Author:
Terry, L.I.
Source:
Journal of economic entomology 1992 v.85 no.4 pp. 1402-1412
ISSN:
0022-0493
Subject:
Gossypium hirsutum; cultivars; crop damage; experimental design; fruiting; Frankliniella occidentalis; insect pests; insect control; phorate; aldicarb; cotton; fiber quality; Arizona
Abstract:
... The effect of early-season cotton, Gossypium hirsutum L., square loss and insect control (primarily thrips, Frankliniella occidentalis (Pergande)), on the ability of cotton plants to replace lost fruit as well as maintain lint quality was examined in several field trials of differing experimental design in Arizona during 1986-1987. All trials indicated some degree of compensation for damage to fru ...
DOI:
10.1093/jee/85.4.1402

46. Root-Knot Nematode Resistance of F2 Cotton Hybrids from Crosses of Resistant Germplasm and Commercial Cultivars

Author:
Michael Robinson; Johnie N. Jenkins; Jack C. McCarty
Source:
Crop science 1997 v.37 no.4 pp. 1041-1046
ISSN:
0011-183X
Subject:
Meloidogyne incognita; root-knot nematodes; nematode infections; disease resistance; Gossypium hirsutum; cotton; cultivars; crossing; hybrids; germplasm; Fusarium wilt
Abstract:
... The southern root-knot nematode (RKN), Meloidogyne incognita (Kofoid and White) Chitwood, is a major pest of cotton (Gossypium hirsutum L.). A high level of resistance has been identified in eight germplasm lines; however, these lines are not as productive in yield as current cultivars. This study was conducted to determine the possibility of using F₂ populations from crosses of these RKN resistan ...
Handle:
10113/20575
DOI:
10.2135/cropsci1997.0011183X003700040002x

47. A genetic approach to in vitro regeneration of non-regenerating cotton (Gossypium hirsutum L.) cultivars

Author:
S. Kumar; P. Sharma; D. Pental
Source:
Plant cell reports 1998 v.18 no.1-2 pp. 59-63
ISSN:
0721-7714
Subject:
Gossypium hirsutum; cotton; cultivars; in vitro regeneration; somatic embryogenesis; India
Abstract:
... Selections were made among individual plants of Gossypium hirsutum cv `Coker 310' for high-frequency in vitro regeneration by somatic embryogenesis. After three generations of selection, a pure line for high-frequency somatic embryogenesis was selected and named Coker 310 FR (FR, fully regenerating). Coker 310 FR could be regenerated by following previously published protocols (see Materials and m ...
DOI:
10.1007/s002990050532

48. How genotype and temperature modify yarn properties and dye uptake

Author:
Bradow, J.M.; Bauer, P.J.
Source:
Proceedings 1999 v.1 pp. 510-512
ISSN:
1059-2644
Subject:
cotton; textile fibers; temperature; cultivars; yarns; Gossypium hirsutum; environmental factors; weather; genotype; genotype-environment interaction; dyes; color; yields; fiber quality
Handle:
10113/18532

49. Assessment of day-neutral backcross populations of cotton using AFLP markers

Author:
Zhong, M.; McCarty, J.C.; Jenkins, J.N.; Saha, S.
Source:
Journal of cotton science 2002 v.6 no.2 pp. -
ISSN:
1524-3303
Subject:
Gossypium hirsutum; cotton; photoperiodism; flowering; cultivars; plant breeding; backcrossing; introgression; genetic distance; genetic markers; amplified fragment length polymorphism
Abstract:
... The cotton (Gossypium hirsutum L.) collection of primitive accessions is underutilized for cotton improvement because they are photoperiodic. Day-neutrality can be achieved by crossing with a day-neutral cultivar and selection in the F2 generation. Our objective was to determine the relationship among four backcross generations and parents using amplified fragment length polymorphism (AFLP) marker ...
Handle:
10113/2844

50. Cotton Wax and Its Relationship with Fiber and Yarn Properties : Part I: Wax Content and Fiber Properties

Author:
Xiaoliang Leon Cui; John B. Price; Timothy A. Calamari; James M. Hemstreet; William Meredith
Source:
Textile research journal 2002 v.72 no.5 pp. 399-404
ISSN:
0040-5175
Subject:
Gossypium hirsutum; cohesion; cotton; cultivars; fabrics; fiber quality; textile fibers; waxes; yams; yarns; United States
Abstract:
... In this study, thirty-six cultivars of U.S. upland cotton are selected and their wax content determined by the Conrad method. Both ring spun and open-end yarns are then made from these cottons. Various fiber and yarn properties are measured before and after wax removal using AFIS, HVI, the West Point cohesion tester, and the Uster Tensorapid yam tensile tester, Correlations of wax content with fib ...
DOI:
10.1177/004051750207200505