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Allium cepa
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- Author:
- Jamal R. Qasem
- Source:
- Agronomy journal 2001 v.93 no.1 pp. 64-71
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Brassica oleracea var. capitata; Capsicum annuum; Cucumis sativus; Cucurbita pepo; Daucus carota; Lepidium draba subsp. draba; Salvia syriaca; Solanum lycopersicum var. lycopersicum; agronomy; cabbage; carrots; cucumbers; greenhouses; leaves; onions; pepper; sage; seed germination; seedling growth; soil; squashes; tomatoes; toxicity; weeds; Jordan
- Abstract:
- ... White top [Cardaria draba (L.) Desv.] and Syrian sage (Salvia syriaca L.) are noxious common weeds of field crops and orchards in Jordan. This study was conducted to investigate any allelopathic potential of volatiles, foliage leachates, root exudates, and shoot dried residues of both weed species on cabbage (Brassica oleracea L. var. Capitata cv. Pronzwik), carrot (Daucus carota L. cv. Natus), cu ...
- DOI:
- 10.2134/agronj2001.93164x
- https://doi.org/10.2134/agronj2001.93164x
- Author:
- L B. Fenn; R. M. Taylor; M. L. Binzel; C. M. Burks
- Source:
- Agronomy journal 1991 v.83 no.5 pp. 840-843
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; absorption; field experimentation; nitrogen; crop yield; nutrient content; nutrient uptake; urea; inorganic ions; calcium; chemical constituents of plants; ammonium compounds; biomass production
- Abstract:
- ... The inefficiency of N use in soils has been studied widely, producing varied suggestions for increased effectiveness. The object of this research was to examine the use of Ca²⁺ as a means to increase NH⁺₄ absorption, using onion (Allium cepa L.) as a test crop. Ammonium absorption in the presence of variable Ca²⁺ concentrations was measured in short-term greenhouse studies as well as longterm gree ...
- DOI:
- 10.2134/agronj1991.00021962008300050014x
- https://doi.org/10.2134/agronj1991.00021962008300050014x
- Author:
- R. S. Yost; R. L. Fox
- Source:
- Agronomy journal 1979 v.71 no.6 pp. 903-908
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Brassica; Eutrustox; Glycine max; Manihot esculenta; Stylosanthes hamata; Vigna unguiculata; absorption; agronomy; fumigation; mycorrhizae; nutrient uptake; phosphates; plant growth
- Abstract:
- ... Most plant species, including the major crops, form symbiotic mycorrhizal associations between their roots and certain fungi which influence nutrient uptake, especially P, from infertile soils. HOW well-supplied the phosphate must be before mycorrhizae cease to enhance P uptake is not known; nor have the effects of mycorrhizae on external P requirements of crops been adequately determined in the f ...
- DOI:
- 10.2134/agronj1979.00021962007100060002x
- https://doi.org/10.2134/agronj1979.00021962007100060002x
- Author:
- J. L. Wright; J. L. Stevens; M. J. Brown
- Source:
- Agronomy journal 1981 v.73 no.3 pp. 481-490
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; agronomy; air temperature; bulbs; cooling; field experimentation; florets; humidity; hybrids; onions; pollination; silt loam soils; sprinkler irrigation; umbels; wind speed; Idaho
- Abstract:
- ... Low onion (Allium cepa L.) seed yields frequently occur without obvious reasons, particularly with hybrid varieties. Solutions to the problem need to be found to insure seed for bulb onion production. Water and temperature stress in the umbel may be factors during hot, dry, sunny weather. We investigated the relationship of umbel temperature to ambient and umbel conditions and the effects of perio ...
- DOI:
- 10.2134/agronj1981.00021962007300030021x
- https://doi.org/10.2134/agronj1981.00021962007300030021x
- Author:
- Glenn J. Hoffman
- Source:
- Agronomy journal 1971 v.63 no.6 pp. 948-949
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; climate; hybrids; leaf area; leaf length; onions; relative humidity; salinity; temperature
- Abstract:
- ... A logarithmic linear relationship was found between leaf length and area for onion (Allium cepa L. ‘F-l Hybrid Yellow Granex’) grown from seed in sunlit climate chambers with controlled temperature and humidity. Atmospheric relative humidity and root medium salinity had no effect on the relationship. ...
- DOI:
- 10.2134/agronj1971.00021962006300060038x
- https://doi.org/10.2134/agronj1971.00021962006300060038x
- Author:
- Adele Muscolo; Carmelo Mallamaci; Giovanna Settineri; Giovanni Calamarà
- Source:
- Agronomy journal 2017 v.109 no.5 pp. 1900-1910
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Capsicum annuum; Phaseolus vulgaris; agronomy; bentonite; cayenne; crops; germination; green beans; olive pomace; olives; onions; pH; pepper; red beans; soil fertility; soil organic matter; sulfur
- Abstract:
- ... CORE IDEAS: The natural fertilizer potential of agricultural and industrial wastes was investigated. Soil properties, seed germination, and plant metabolism proved their fertilizing properties. A specificity between fertilizers produced and plant species was really evident. Waste materials have many characteristics that can be useful to improve soil fertility and crop productivity. This study aims ...
- DOI:
- 10.2134/agronj2017.03.0143
- https://doi.org/10.2134/agronj2017.03.0143
- Author:
- J. C. Ojala; W. M. Jarrell; J. A. Menge; E. L. V. Johnson
- Source:
- Agronomy journal 1983 v.75 no.2 pp. 255-259
- ISSN:
- 0002-1962
- Subject:
- Allium cepa
- Abstract:
- ... In a number of studies, salt-affected plants have been found to contain lower P concentrations than non-salinized control plants. This study was performed to evaluate the ability of two vesicular-arbuscular mycorrhizal fungi (VAM) to improve the yield and salt tolerance of onion (Allium cepa L. var. Burpee hybrid 5276) by facilitating P uptake from a saline soil. Onion was grown in a Delhi loamy s ...
- DOI:
- 10.2134/agronj1983.00021962007500020023x
- https://doi.org/10.2134/agronj1983.00021962007500020023x
- Author:
- A. A. Millar; W. R. Gardner; S. M. Goltz
- Source:
- Agronomy journal 1971 v.63 no.5 pp. 779-784
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; environmental factors; florets; leaf water potential; leaves; onions; soil water; soil water potential; stomatal conductance; stomatal movement; umbels; water flow
- Abstract:
- ... Water potential, transpiration rate, and stomatal resistance of the various parts of the onion (Allium cepa L.) plant were measured under field and controlled conditions. Water potentials of florets and pedicels were always lower than leaf water potentials. Water potential difference between the florets and the soil of as much as ∗9 bars were found. The greatest drop in water potential was found b ...
- DOI:
- 10.2134/agronj1971.00021962006300050037x
- https://doi.org/10.2134/agronj1971.00021962006300050037x
- Author:
- Sebastiana Melero Sánchez; Engracia Madejón; Juan Francisco Herencia; Juan Carlos Ruiz-Porras
- Source:
- Agronomy journal 2008 v.100 no.3 pp. 611-618
- ISSN:
- 0002-1962
- Subject:
- soil organic carbon; Solanum tuberosum; potatoes; soil respiration; phosphorus; soil chemical properties; strawberries; long term experiments; mineral fertilizers; soil microorganisms; composts; onions; potassium; soil test values; enzyme activity; crop rotation; Fragaria vesca; nitrogen; Allium cepa; soil enzymes; Spain
- Abstract:
- ... The long-term effect of inorganic and organic fertilization in a vegetable crop rotation on soil chemical and biochemical properties was investigated in a trial in southern Spain. Two crops were grown in succession, potato (Solanum tuberosum L.) and a mixed-cropped strawberry–onion (Fragaria vesca L.–Allium cepa L.). Total organic carbon (TOC), Kjeldahl-N, bicarbonate-extractable P (Olsen-P), ammo ...
- DOI:
- 10.2134/agronj2006.0316
- https://doi.org/10.2134/agronj2006.0316
- Author:
- Clinton C. Shock; Joe H. Hobson; Majid Seddigh; Byron M. Shock; Timothy D Stieber; Lamont D. Saunders
- Source:
- Agronomy journal 1997 v.89 no.6 pp. 887-893
- ISSN:
- 0002-1962
- Subject:
- wheat straw; Allium cepa; mulching; soil conservation; soil erosion; nitrates; irrigation; furrows; runoff; phosphorus; phosphorus fertilizers; sediments; phosphates; application rate; ammonium compounds; Oregon
- Abstract:
- ... There is widespread concern about loss of sediments, NO⁻₃, and phosphate into surface water from irrigated farmlands. We studied the effects of 900 kg ha⁻¹ wheat (Triticum spp.) straw, mechanically applied to irrigation furrows, on sediments and on N and P losses in the runoff. The field was on a Nyssa silt loam soil (coarse-silty, mixed, mesic Xerollic Haplodurid) with 3% slope planted to onion ( ...
- DOI:
- 10.2134/agronj1997.00021962008900060007x
- https://doi.org/10.2134/agronj1997.00021962008900060007x
- Author:
- Anderson R. da Silva; Érica F. Leão‐Araújo; Brunna R. Rezende; Wilhan V. dos Santos; Hygor A. Santana; Suéllen C.M. Silva; Nayara A. Fernandes; Divino S. Costa; Júlio C.P. de Mesquita
- Source:
- Agronomy journal 2018 v.110 no.1 pp. 164-170
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Cenchrus americanus; Japanese bunching onions; Lens culinaris; Pisum sativum; Zea mays; agronomy; bulk density; corn; equations; germination; lentils; logit analysis; millets; models; peas; seeds; water binding capacity
- Abstract:
- ... CORE IDEAS: The soaking kinetics of seeds of six cultivated species was modeled.Morphological and physical properties of seeds affected the water absorption.Two models were adapted in order to capture the third phase of the soaking process. Several models can be used to describe the seed soaking curve, which, under optimal conditions, occurs according to a three‐phase pattern. Among these models, ...
- DOI:
- 10.2134/agronj2017.07.0373
- https://doi.org/10.2134/agronj2017.07.0373
- Author:
- Ardell D. Halvorson; Michael E. Bartolo; Curtis A. Reule; Abdel Berrada
- Source:
- Agronomy journal 2008 v.100 no.4 pp. 1062-1069
- ISSN:
- 0002-1962
- Subject:
- plant growth; irrigation water; fertilizer requirements; Allium cepa; fertilizer rates; vegetable crops; water use efficiency; furrow irrigation; microirrigation; nitrate nitrogen; leaching; crop yield; dry matter accumulation; onions; soil fertility; nutrient uptake; nutrient use efficiency; nitrogen fertilizers; Colorado
- Abstract:
- ... Onion (Allium cepa L.) is a high cash value crop with a very shallow root system that is frequently irrigated and fertilized with high N rates to maximize yield. Converting from furrow-irrigated to drip-irrigated onion production may reduce N fertilizer needs, water inputs, and NO₃–N leaching potential. Onion growth and N uptake, fresh yield, and residual soil NO₃–N were determined under drip and ...
- Handle:
- 10113/18244
- DOI:
- 10.2134/agronj2007.0377
- https://doi.org/10.2134/agronj2007.0377
- Author:
- Ardell D. Halvorson; Ronald F. Follett; Michael E. Bartolo; Frank C. Schweissing
- Source:
- Agronomy journal 2002 v.94 no.3 pp. 442-449
- ISSN:
- 0002-1962
- Subject:
- interspecific variation; Zea mays; Allium cepa; nitrate nitrogen; furrow irrigation; dry matter accumulation; crop yield; bulbs; crop rotation; nitrogen fertilizers; Colorado
- Abstract:
- ... Furrow-irrigated onion (Allium cepa L.) production, with high N fertilization rates, may be contributing NO₃–N to ground water in southeastern Colorado. This study determined the growth and N uptake patterns of onion grown on a silty clay soil, N fertilizer use efficiency (NFUE) of onion, and recovery of residual N fertilizer by corn (Zea mays L.) following onion in rotation. Onion was sampled biw ...
- Handle:
- 10113/11395
- DOI:
- 10.2134/agronj2002.4420
- https://doi.org/10.2134/agronj2002.4420
- Author:
- M. J. Brown; J. L. Wright; R. A. Kohl
- Source:
- Agronomy journal 1977 v.69 no.3 pp. 369-372
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; furrow irrigation; furrows; irrigation management; pollination; scalding; seed quality; seed weight; seed yield; soil water; sprinkler irrigation; temperature; tensiometers; umbels; vigor; Idaho
- Abstract:
- ... The effects of soil moisture, sprinkler irrigation, and misting (5 min at 30-min intervals) on hybrid onion-seed (Allium cepa L.) production were evaluated at Kimberly, Idaho. Sprinkling and misting treatments were included to determine if sprinkler irrigation could be used for onion-seed production, and if evaporative cooling (misting) would alleviate the scalding of umbels at excessively high te ...
- DOI:
- 10.2134/agronj1977.00021962006900030009x
- https://doi.org/10.2134/agronj1977.00021962006900030009x
- Author:
- Clinton C. Shock; Majid Seddigh; Joe H. Hobson; Ian J. Tinsley; Byron M. Shock; Lucia R. Durand
- Source:
- Agronomy journal 1998 v.90 no.3 pp. 399-404
- ISSN:
- 0002-1962
- Subject:
- Triticum aestivum; Allium cepa; chlorthal-dimethyl; furrow irrigation; straw; mulching; losses from soil; metabolites; runoff; volume; sediments; band placement; Oregon
- Abstract:
- ... There are concerns about residues of DCPA (dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylate) and its two acid metabolites in surface runoff from furrow-irrigated croplands. We studied the effects of mulching irrigation furrows with wheat (Trilicum aestivum L.) straw on DCPA movement in runoff solution, with sediment, and in the soil profile. The study site had a Nyssa silt loam (coarse-silty, ...
- DOI:
- 10.2134/agronj1998.00021962009000030014x
- https://doi.org/10.2134/agronj1998.00021962009000030014x
- Author:
- J. R. Mulkey; E. L. Albach; F. J. Dainello
- Source:
- Agronomy journal 1979 v.71 no.6 pp. 1037-1040
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Calciustolls; onions; phosphorus; phosphorus fertilizers; plant development; planting; seedling growth; seedlings; vigor
- Abstract:
- ... Considerable variation in seedling size, vigor, and plant development occurs in onions (Allium cepa L.) where phosphate fertilizers are surface-applied and incorporated prior to planting. Our objective was to determine the influence of P rates and placement techniques on the growth and development of fall-seeded onions. During the fall of 1975 and 1977, two rates of P (21.8 and 43.6 kg/ha) were ba ...
- DOI:
- 10.2134/agronj1979.00021962007100060034x
- https://doi.org/10.2134/agronj1979.00021962007100060034x
- Author:
- S. Miyamoto
- Source:
- Agronomy journal 1989 v.81 no.2 pp. 202-207
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; furrow irrigation; irrigation water; salt tolerance; seed germination; seedling emergence; mortality; cotyledons; cultivars; soil salinity; soil water content; salinity; water quality; saline water; Texas
- Abstract:
- ... Good stands of furrow irrigated onion (Allium cepa L.) are difficult to obtain in saline areas of the Southwest. This study examined salt effects on seed germination, emergence, and seedling mortality of five onion cultivars in a series of greenhouse experiments at diurnal temperatures of 15 to 25 °C. Germination exceeded 80% within 10 d at solution salinity of 20 dS m⁻¹ or less. Cultivar effects ...
- DOI:
- 10.2134/agronj1989.00021962008100020013x
- https://doi.org/10.2134/agronj1989.00021962008100020013x
- Author:
- Frank E. Robinson; Keith S. Mayberry
- Source:
- Agronomy journal 1976 v.68 no.4 pp. 694-695
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Beta vulgaris; Daucus carota; Lactuca sativa; agronomy; carrots; germination; lettuce; onions; planting; sandy clay loam soils; sprinkler irrigation; stand establishment; sugar beet; California
- Abstract:
- ... The legal prohibition of the short handled hoe in California has forced a change in the conventional practice of surplus-seedling and subsequent thinning to achieve optimum stands with lettuce (Lactuca sativa L.) and sugar beet crops (Beta vulgaris L.). Precision placement of coated seed was evaluated as an alternate method of stand establishment with five crops grown on Meloland sandy clay loam w ...
- DOI:
- 10.2134/agronj1976.00021962006800040043x
- https://doi.org/10.2134/agronj1976.00021962006800040043x
- Author:
- B. R. de Lis; I. Ponce; J. B. Cavagnaro; R. M. Tizio
- Source:
- Agronomy journal 1967 v.59 no.6 pp. 573-576
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; agronomy; bulbs; drought; horticulture; onions; seedlings
- Abstract:
- ... Two years of field experiments with onion crops (Allium cepa, L.) show that this plant is differentially sensitive to drought in each stage of its vegetative cycle. Drought at the seedling stage increases the rate of foliar emergence, produces a greater number of leaves, accelerates bulb formation by 15 days, and increases the final weight as compared with the check (no significant difference). Wh ...
- DOI:
- 10.2134/agronj1967.00021962005900060025x
- https://doi.org/10.2134/agronj1967.00021962005900060025x
- Author:
- Clinton C. Shock; Majid Seddigh; Lamont D. Saunders; Timothy D. Stieber; John G. Miller
- Source:
- Agronomy journal 2000 v.92 no.1 pp. 10-15
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Beta vulgaris; agronomy; ammonium; beets; nitrates; nitrogen; nitrogen fertilizers; onions; petioles; silt loam soils; sucrose; sugar beet
- Abstract:
- ... Crop over-fertilization has economic and environmental consequences. Sugarbeet (Beta vulgaris L.) N fertilizer requirements could be lower than expected when planted after shallow rooted onion (Allium cepa L.). Sugarbeet was planted on an Owyhee silt loam (coarse-silty, mixed, mesic Xerollic Durorthid) for 2 yr, where the previous onion crop had received 0, 60, 120, 240, and 480 kg N ha⁻¹ Soil nit ...
- DOI:
- 10.2134/agronj2000.92110x
- https://doi.org/10.2134/agronj2000.92110x
- Author:
- H. W. Gausman; R. R. Rodriguez; D. E. Escobar
- Source:
- Agronomy journal 1975 v.67 no.5 pp. 720-724
- ISSN:
- 0002-1962
- Subject:
- Agave americana; Allium cepa; Kalanchoe laciniata; Opuntia engelmannii var. lindheimeri; Peperomia obtusifolia; Yucca; leaves; onions; ozone; reflectance; stratosphere; tissues; transmittance; ultraviolet radiation; wavelengths
- Abstract:
- ... Partial destruction of ozone in the earth's upper atmosphere (stratosphere) will increase levels of ultraviolet (UV) radiation that reach the earth's surface; consequently, plants could be exposed to harmful amounts of UV-B radiation (280 to 320 nm). The objective of our research was to characterize the reflectance, transmittance, and absorptance of UV-B radiation by leaf epidermises. Accordingly, ...
- DOI:
- 10.2134/agronj1975.00021962006700050036x
- https://doi.org/10.2134/agronj1975.00021962006700050036x
- Author:
- Zunxin Wang; Yang Li; Laibao Hu; Yuxiu Ye; Jiamin Chen; Jianan Li; Baolei Pei; Guangpeng Wang; Siyuan Chen; Yanhong Cheng; Ganlong Huang; Xinhong Chen; Feibing Wang
- Source:
- Agronomy journal 2021 v.113 no.6 pp. 4762-4776
- ISSN:
- 0002-1962
- Subject:
- Allium cepa; Arabidopsis; Gossypium hirsutum; abiotic stress; agronomy; ascorbate peroxidase; biosynthesis; catalase; cotton; drought; drought tolerance; flavonoids; genes; malondialdehyde; onions; peroxidase; proline; quantitative polymerase chain reaction; stress tolerance; sugars; superoxide dismutase; transcription (genetics); transcription factors; transcriptional activation
- Abstract:
- ... Salt and drought stresses are major environmental pressures in agriculture worldwide and affect crop productivity and quality. The previous reports of the R2R3‐MYB transcription factor (TF) genes found that overexpression of these TF genes regulated the expression of key enzyme‐encoding genes of flavonoid biosynthesis pathway, leading to the increased flavonoid accumulation. However, the roles of ...
- DOI:
- 10.1002/agj2.20906
- https://doi.org/10.1002/agj2.20906