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1. Correlations between visual biomass scores and forage yield in space planted red clover (Trifolium pratense L.) breeding nurseries

Author:
Riday, Heathcliffe
Source:
Euphytica 2009 v.170 no.3 pp. 339
ISSN:
0014-2336
Subject:
Trifolium pratense; forage legumes; plant breeding; crop yield; plant growth; germplasm evaluation; yield components
Abstract:
... Red clover (Trifolium pratense L.) forage yield remains a prime breeding target for improved variety development. In a world of decreasing forage legume breeding resources, rapidly and cheaply phenotyping plants for the highly quantitative trait of forage yield is vital. Many red clover selection programs are based on space planted nurseries. The objectives of this study were to determine: (1) the ...
Handle:
10113/37224
DOI:
10.1007/s10681-009-9991-7

2. Interactions between QTL SAP6 and SU91 on resistance to common bacterial blight in red kidney bean and pinto bean populations

Author:
Vandemark, G. J.; Fourie, D.; Larsen, R. C.; Miklas, P. N.
Source:
Euphytica 2009 v.170 no.3 pp. 371
ISSN:
0014-2336
Subject:
Phaseolus vulgaris; kidney beans; pinto beans; Xanthomonas axonopodis; plant pathogenic bacteria; bacterial diseases of plants; disease resistance; genetic resistance; genetic markers; marker-assisted selection; quantitative trait loci; nucleotide sequences; codominance; genotype; polymerase chain reaction; gene interaction
Abstract:
... Breeding efforts to improve resistance in dry bean to common bacterial blight (CBB) have focused on applying marker assisted selection strategies. We examined the interaction between two independent QTL (quantitative trait loci), SAP6 and SU91, on the expression of resistance to CBB in a pinto bean F₂ population and dark red kidney bean F₂ population. The disease reaction for each F₂ population wa ...
Handle:
10113/37318
DOI:
10.1007/s10681-009-0013-6

3. The role of crop-pollinator relationships in breeding for pollinator-friendly legumes: from a breeding perspective

Author:
Palmer, Reid G.; Perez, Paola T.; Ortiz-Perez, Evelyn; Maalouf, Fouad; Suso, María José
Source:
Euphytica 2009 v.170 no.1-2 pp. 35
ISSN:
0014-2336
Subject:
Fabaceae; legumes; field crops; pollinating insects; beneficial insects; plant-insect relations; plant breeding; agroecosystems; ecosystem services; solitary bees; nesting sites; social insects; flowers; nectar; crop yield; cultivars; high-yielding varieties; plant reproduction; mating systems; open pollination; hybrids
Abstract:
... Breeders are encouraged to develop breeding approaches that strive to integrate food production into the healthy functioning of agro-ecosystems. In the case of legumes, this approach should preserve bee fauna by providing suitable floral resources within the crops themselves. In parallel, legume breeding for sustainable agriculture is linked to the development of environmental services. Foraging p ...
Handle:
10113/36525
DOI:
10.1007/s10681-009-9953-0

4. Using molecular markers and field performance data to characterize the Pee Dee cotton germplasm resources

Author:
Campbell, B. T.; Williams, V. E.; Park, W.
Source:
Euphytica 2009 v.169 no.3 pp. 285
ISSN:
0014-2336
Subject:
Gossypium hirsutum; cotton; germplasm; plant genetic resources; genetic markers; agronomic traits; field experimentation; fiber quality; genes; cultivars; Gossypium barbadense; Gossypium arboreum; Gossypium; hybridization; chromosome mapping; genetic variation; phenotype; pedigree; South Carolina
Abstract:
... Knowledge of genetic relationships in crop breeding programs provides valuable information that can be used by plant breeders as a parental line selection tool. In Upland cotton (Gossypium hirsutum L.), the Pee Dee germplasm program represents one of the most historically significant Upland cotton breeding programs and is known as a key source of fiber quality genes for commercial cultivars. The f ...
Handle:
10113/34632
DOI:
10.1007/s10681-009-9917-4

5. Genetic analysis of resistance to soil-borne wheat mosaic virus derived from Aegilops tauschii

Author:
Hall, M. D.; Brown-Guedira, G.; Klatt, A.; Fritz, A. K.
Source:
Euphytica 2009 v.169 no.2 pp. 169
ISSN:
0014-2336
Subject:
Aegilops tauschii; wild relatives; forage grasses; Triticum aestivum; wheat; Soil-borne wheat mosaic virus; soil-borne diseases; disease resistance; genetic resistance; grain yield; inbred lines; inheritance (genetics); linkage (genetics); gene segregation; microsatellite repeats; genetic markers; Soil-borne cereal mosaic virus
Abstract:
... Soil-Borne Wheat Mosaic Virus (SBWMV), vectored by the soil inhabiting organism Polymyxa graminis, causes damage to wheat (Triticum aestivum) yields in most of the wheat growing regions of the world. In localized fields, the entire crop may be lost to the virus. Although many winter wheat cultivars contain resistance to SBWMV, the inheritance of resistance is poorly understood. A linkage analysis ...
Handle:
10113/34623
DOI:
10.1007/s10681-009-9910-y

6. Molecular and morpho-physiological characterization of sea, ruderal and cultivated beets

Author:
Saccomani, Massimo; Stevanato, Piergiorgio; Trebbi, Daniele; McGrath, J. Mitchell; Biancardi, Enrico
Source:
Euphytica 2009 v.169 no.1 pp. 19
ISSN:
0014-2336
Subject:
Beta vulgaris subsp. vulgaris; Beta vulgaris subsp. maritima; sugar beet; plant breeding; genetic improvement; agronomic traits; plant morphology; roots; plant physiology; abiotic stress; stress tolerance; nutrient deficiencies; sulfates; nutrient requirements; plant genetic resources; germplasm screening; cultivars; genetic variation; DNA primers; gene amplification; chemical constituents of plants; glucose; fructose; wild relatives; Italy
Abstract:
... Beta vulgaris genetic resources are essential for broadening genetic base of sugar beet and developing cultivars adapted to adverse environmental conditions. Wild beets (sea beets, B. vulgaris spp. maritima and their naturalized introgressions with cultivated beets known as ruderal beets) harbor substantial genetic diversity that could be useful for beet improvement. Here, we compared molecular an ...
Handle:
10113/33587
DOI:
10.1007/s10681-009-9888-5

7. Winter curing of Prunus dulcis cv 'Butte,' P. webbii and their interspecific hybrid in response to Xylella fastidiosa infections

Author:
Ledbetter, Craig A.; Chen, Jianchi; Livingston, Sam; Groves, Russell L.
Source:
Euphytica 2009 v.169 no.1 pp. 113
ISSN:
0014-2336
Subject:
Prunus dulcis; almonds; bacterial diseases of plants; Xylella fastidiosa; plant pathogenic bacteria; pathogenicity; disease resistance; plant breeding; interspecific hybridization; hybrids; clones; clonal variation; winter hardiness; pathogen survival; overwintering; mortality; pathogen identification; polymerase chain reaction
Abstract:
... Clonal replicates of Prunus dulcis cv 'Butte,' P. webbii and their interspecific hybrid P 63-61 were inoculated with Xylella fastidiosa strain M23 and evaluated for almond leaf scorch disease and subsequent winter curing of infections during three growing seasons. Initial inoculations established greater than 90% infection in each of the accessions, based on PCR diagnoses from petiole tissues samp ...
Handle:
10113/33586
DOI:
10.1007/s10681-009-9954-z

8. Use of a micro-sward technique for determining bite mass of four grass species in short-term tests

Author:
Soder, K. J.; Orr, R. J.; Rubano, M. D.; Rook, A. J.
Source:
Euphytica 2009 v.168 no.1 pp. 135
ISSN:
0014-2336
Subject:
Holcus lanatus; Agrostis stolonifera; Poa trivialis; Lolium perenne; forage grasses; feeding preferences; grazing; biting rates; cattle; steers; tillers; leaves; length
Abstract:
... Four grass species typically found in semi-natural pastures in the UK were sown individually in boxes (85 x 44 x 14 cm) to create micro-swards. Yorkshire fog (Holcus lanatus L.); creeping bent (Agrostis stolonifera L. cv Kromi); rough meadow-grass (Poa trivialis L.); and perennial ryegrass (Lolium perenne L. cv Glen) were offered to yearling Simmental x Holstein steers in short-term tests to chara ...
Handle:
10113/30501
DOI:
10.1007/s10681-009-9907-6

9. Development of 'naked-tufted' seed coat mutants for potential use in cotton production

Author:
Bechere, Efrem; Auld, D. L.; Hequet, E.
Source:
Euphytica 2009 v.167 no.3 pp. 333
ISSN:
0014-2336
Subject:
Gossypium hirsutum; cotton; mutagenesis; mutants; testa; ethyl methanesulfonate; lint cotton; crop yield; fiber quality; cottonseed oil
Abstract:
... Use of chemical mutagenesis has been highly successful in most major crops. The objective of this research was to develop 'naked-tufted' seed mutants and to incorporate this genetic trait into cotton to enhance crop quality and reduce processing costs. In 1997, six commercial cultivars were treated with 2.45% v/v ethyl methane sulfonate. In 1999, three M₃ plants were identified that had partially ...
Handle:
10113/29075
DOI:
10.1007/s10681-009-9890-y

10. Genetic variance components and genetic effects among eleven diverse upland cotton lines and their F2 hybrids

Author:
Jenkins, Johnie N.; McCarty, Jack C. Jr.; Wu, Jixiang; Gutierrez, Osman A.
Source:
Euphytica 2009 v.167 no.3 pp. 397
ISSN:
0014-2336
Subject:
Gossypium hirsutum; cotton; plant breeding; cultivars; breeding lines; crossing; hybrids; lint cotton; fiber quality; genetic variance; agronomic traits
Abstract:
... Selecting high yielding upland cotton, Gossypium hirsutum L. lines with improved fiber quality is a primary breeding goal. A diverse set of ten cultivars and one breeding line were crossed in a half diallel. Parents and F₂ hybrids were grown in three environments at Mississippi State, MS. Ten agronomic and fiber traits were analyzed by a mixed linear model approach based on the additive-dominance ...
Handle:
10113/29069
DOI:
10.1007/s10681-009-9902-y

11. Promoter anchored amplified polymorphism based on random amplified polymorphic DNA (PAAP-RAPD) in cotton

Author:
Pang, Mingxiong; Percy, R. G.; Hughs, Ed.; Zhang, Jinfa
Source:
Euphytica 2009 v.167 no.3 pp. 281
ISSN:
0014-2336
Subject:
Gossypium hirsutum; Gossypium barbadense; cotton; promoter regions; random amplified polymorphic DNA technique; DNA primers; genetic markers
Abstract:
... Non-coding sequences account for a majority of the higher plant genome, some of which have important effects in gene regulation and plant development. In an effort to develop molecular marker systems to search for polymorphisms associated with high fiber yield and quality in cotton, we have developed a methodology that could specifically target the regulatory regions of the cotton genome. In this ...
Handle:
10113/29078
DOI:
10.1007/s10681-008-9850-y

12. Seed trait evaluation of Gossypium barbadense L. chromosomes/arms in a G. hirsutum L. background

Author:
Wu, Jixiang; Jenkins, Johnie N.; McCarty, Jack C.; Thaxton, Peggy
Source:
Euphytica 2009 v.167 no.3 pp. 371
ISSN:
0014-2336
Subject:
Gossypium barbadense; Gossypium hirsutum; cotton; cultivars; substitution lines; genotype; cottonseed; agronomic traits; crop quality; cottonseed oil; lint cotton
Abstract:
... Investigation of cotton nutritional components is important because its seeds provide a useful nutritional profile and can possibly serve as a biofuel resource. In this study, five cultivars, 13 cotton chromosome substitution (CS-B) lines, their donor parent, '3-79', and their recurrent parent, 'TM-1', were evaluated for seed traits over four environments. A mixed linear model approach with the ja ...
Handle:
10113/29072
DOI:
10.1007/s10681-009-9896-5

13. Identification of molecular markers associated with sugar-related traits in a Saccharum interspecific cross

Author:
Alwala, Sreedhar; Kimbeng, Collins A.; Veremis, John C.; Gravois, Kenneth A.
Source:
Euphytica 2009 v.167 no.1 pp. 127
ISSN:
0014-2336
Subject:
Saccharum officinarum; Saccharum spontaneum; sugarcane; interspecific hybridization; hybrids; quantitative trait loci; genetic markers; amplified fragment length polymorphism; chromosome mapping; crop quality; brix; sucrose; sugar content; sugarcane juice; phenotypic variation; seasonal variation; ratooning; discriminant analysis
Abstract:
... The cultivated sugarcane (Saccharum spp. hybrids, 2n = 100-130) is one crop for which interspecific hybridization involving wild germplasm has provided a major breakthrough in its improvement. Few clones were used in the initial hybridization event leading to a narrow genetic base for continued cultivar development. Molecular breeding would facilitate the identification and introgression of novel ...
Handle:
10113/28975
DOI:
10.1007/s10681-008-9869-0

14. Discovery and characterization of a molecular marker for Sclerotinia minor (Jagger) resistance in peanut

Author:
Chenault, Kelly D.; Maas, Andrea L.; Damicone, John P.; Payton, Mark E.; Melouk, Hassan A.
Source:
Euphytica 2009 v.166 no.3 pp. 357
ISSN:
0014-2336
Subject:
Arachis hypogaea; peanuts; disease resistance; Sclerotinia minor; blight; fungal diseases of plants; genetic markers; microsatellite repeats; polymerase chain reaction; DNA primers; genotype
Abstract:
... The production of cultivated peanut, an important agronomic crop throughout the United States and the world, is consistently threatened by various diseases and pests. Sclerotinia minor Jagger (S. minor), the causal agent of Sclerotinia blight, is a major threat to peanut production in the Southwestern US, Virginia and North Carolina. Although information on the variability of morphological traits ...
Handle:
10113/27152
DOI:
10.1007/s10681-008-9816-0

15. Genetic detection of node of first fruiting branch in crosses of a cultivar with two exotic accessions of upland cotton

Author:
Guo, Yufang; McCarty, Jack C.; Jenkins, Johnie N.; An, Chuanfu; Saha, Sukumar
Source:
Euphytica 2009 v.166 no.3 pp. 317
ISSN:
0014-2336
Subject:
Gossypium hirsutum; cotton; germplasm; plant genetic resources; quantitative trait loci; flowering; phenology; phenotypic variation; branches; plant development; hybrids; crossing; plant breeding; cultivars
Abstract:
... Flowering time has biological and agricultural significance for crops. In Upland cotton (Gossypium hirsutum L.), photoperiodic sensitivity is a major obstacle in the utilization of primitive accessions in breeding programs. Quantitative trait loci (QTLs) analysis was conducted in two F₂ populations from the crosses between a day-neutral cultivar Deltapine 61 (DPL61) and two photoperiod sensitive G ...
Handle:
10113/27151
DOI:
10.1007/s10681-008-9809-z

16. Evaluation of chlorophyll fluorescence as a tool for the identification of drought tolerance in upland cotton

Author:
Longenberger, P. S.; Smith, C. W.; Duke, S. E.; McMichael, B. L.
Source:
Euphytica 2009 v.166 no.1 pp. 25
ISSN:
0014-2336
Subject:
Gossypium hirsutum; cotton; drought tolerance; chlorophyll; fluorescence; germplasm screening; genotype; leaves; developmental stages; lint cotton; crop yield; fiber quality; field experimentation; cultivars; Gossypium barbadense; Gossypium arboreum; Texas
Abstract:
... Chlorophyll fluorescence (CF) is one tool used by researchers to quantify plant water status during periods of limited water availability. The research reported herein was designed to evaluate a CF-based protocol as a tool for use in cotton, Gossypium spp. breeding programs for the identification of drought tolerant genotypes. Twenty genotypes were selected to represent diverse and distinct US ger ...
Handle:
10113/25595
DOI:
10.1007/s10681-008-9820-4

17. Molecular mapping of Cg1, a gene for resistance to anthracnose (Colletotrichum sublineolum) in sorghum

Author:
Ramasamy, P.; Menz, M. A.; Mehta, P. J.; Katilé, S.; Gutierrez-Rojas, L. A.; Klein, R. R.; Klein, P. E.; Prom, L. K.; Schlueter, J. A.; Rooney, W. L.; Magill, C. W.
Source:
Euphytica 2009 v.165 no.3 pp. 597
ISSN:
0014-2336
Subject:
Sorghum bicolor; grain sorghum; genes; disease resistance; anthracnose; Colletotrichum; dominant genes; chromosome mapping; genetic markers; amplified fragment length polymorphism; restriction fragment length polymorphism; bacterial artificial chromosomes; microsatellite repeats; breeding lines; genetic polymorphism
Abstract:
... Anthracnose, caused by the fungus Colletotrichum sublineolum is one of the most destructive diseases of sorghum and has been reported in most areas where the crop is grown. Several control strategies have been developed but host plant resistance has been regarded as the most effective strategy for disease control. Here, we describe the search for molecular markers that co-segregate with Cg1, a dom ...
Handle:
10113/25702
DOI:
10.1007/s10681-008-9791-5

18. A linkage map for flowering dogwood (Cornus florida L.) based on microsatellite markers

Author:
Wang, Xinwang; Wadl, Phillip A.; Rinehart, Timothy A.; Scheffler, Brian E.; Windham, Mark T.; Spiers, James M.; Johnson, Denita H.; Trigiano, Robert N.
Source:
Euphytica 2009 v.165 no.1 pp. 165
ISSN:
0014-2336
Subject:
Cornus florida; chromosome mapping; linkage groups; microsatellite repeats; genetic markers; loci
Abstract:
... A genetic linkage map of flowering dogwood (Cornus florida L.) was constructed using 94 individuals derived from a cross of two F₁ trees designated 97-6 and 97-7, which were originally from a cross between 'Appalachian Spring' and 'Cherokee Brave'. Out of approximately 800 SSR loci examined, 271 were polymorphic between 'Appalachian Spring' and 'Cherokee Brave', but were monomorphic between 97-6 a ...
Handle:
10113/21652
DOI:
10.1007/s10681-008-9802-6

19. Chromosomal assignment of AFLP markers in upland cotton (Gossypium hirsutum L.)

Author:
Myers, Gerald O.; Jiang, Baogong; Akash, Muhanad W.; Badigannavar, Ashok; Saha, Sukumar
Source:
Euphytica 2009 v.165 no.2 pp. 391
ISSN:
0014-2336
Subject:
Gossypium hirsutum; Gossypium tomentosum; Gossypium barbadense; interspecific hybridization; aneuploidy; chromosome mapping; amplified fragment length polymorphism; linkage groups; genome
Abstract:
... In this research, we used two sets of cotton aneuploid (G. hirsutum x G. tomentosum and G. hirsutum x G. barbadense) plants to locate AFLP markers to chromosomes using deletion analysis method. Thirty-eight primer combinations were used to generate 608 polymorphic AFLP markers. A total of 98 AFLP markers were assigned to 22 different cotton chromosomes or chromosome arms. Of those assigned markers ...
Handle:
10113/21733
DOI:
10.1007/s10681-008-9803-5

20. Expression of the “glanded-plant and glandless-seed” trait of Australian diploid cottons in different genetic backgrounds

Author:
Benbouza, Halima; Lognay, George; Scheffler, Jodi; Baudoin, Jean Pierre; Mergeai, Guy
Source:
Euphytica 2009 v.165 no.2 pp. 211
ISSN:
0014-2336
Subject:
Gossypium hirsutum; Gossypium; wild relatives; Gossypium arboreum; hybrids; interspecific hybridization; diploidy; tetraploidy; seeds; cottonseed; gossypol; terpenoids; chemical concentration; high performance liquid chromatography; backcrossing; Australia
Abstract:
... The expression of the “glanded-plant and glandless-seed” trait was assessed using High Performance Liquid Chromatography (HPLC) analysis methods in different Gossypium hybrids obtained by crossing Australian diploid cottons and various diploid and tetraploid species. Significant variation in the gossypol content in the seed was observed among the analyzed genotypes. HPLC data demonstrated that the ...
Handle:
10113/21730
DOI:
10.1007/s10681-008-9772-8

21. Inheritance of resistance in soybean PI 567516C to LY1 nematode population infecting cv. Hartwig

Author:
Arelli, Prakash R.; Young, Lawrence D.; Concibido, Vergel C.
Source:
Euphytica 2009 v.165 no.1 pp. 1
ISSN:
0014-2336
Subject:
Glycine max; soybeans; pest resistance; Heterodera glycines; cyst nematodes; races; genetic resistance; inheritance (genetics); germplasm; plant genetic resources; cultivars; recessive genes; dominant genes
Abstract:
... Worldwide, cyst nematode (SCN) Heterodera glycines is the most destructive pathogen on cultivated soybean (Glycine max (L.) Merr.). In the USA yield losses in 2001 were estimated to be nearly 60 million dollars. Crop losses are primarily reduced by the use of resistant cultivars. Nematode populations are variable and have adapted to reproduce on resistant cultivars overtime because resistance prim ...
Handle:
10113/21651
DOI:
10.1007/s10681-008-9760-z

22. Natural variation in fruit abscission-related traits in apple (Malus)

Author:
Sun, Lingxia; John Bukovac, M.; Forsline, Philip L.; van Nocker, Steven
Source:
Euphytica 2009 v.165 no.1 pp. 55
ISSN:
0014-2336
Subject:
Malus; Malus domestica; wild relatives; apples; cultivars; hybrids; fruits (plant anatomy); ripening; fruit drop; abscission; ethylene production; pedicel
Abstract:
... Abscission or retention of ripening fruit is a major component of seed dispersal strategies and also has important implications for horticultural production. Abscission-related traits have generally not been targeted in breeding efforts, and their genetic bases remain mostly unknown. We evaluated 144 Malus accessions representing wild species, domestic cultivars, and hybrids for abscission-related ...
Handle:
10113/21653
DOI:
10.1007/s10681-008-9754-x

23. Plant growth habit, root architecture traits and tolerance to low soil phosphorus in an Andean bean population

Author:
Cichy, Karen A.; Snapp, Sieglinde S.; Blair, Matthew W.
Source:
Euphytica 2009 v.165 no.2 pp. 257
ISSN:
0014-2336
Subject:
Phaseolus vulgaris; beans; growth habit; roots; root systems; plant architecture; stress tolerance; plant nutrition; nutrient deficiencies; soil fertility; phosphorus; inbred lines; determinate growth; indeterminate growth; nutrition-genotype interaction; crop yield; plant adaptation; Colombia
Abstract:
... The optimal plant growth habit and architecture of common bean (Phaseolus vulgaris L.) is dependent on environmental conditions. The objectives of this research were to determine if plant growth habit impacts a plant's ability to grow in low P conditions, as measured by P uptake, seed yield, and P use efficiency and to determine if aboveground plant growth habit and root growth are associated at v ...
Handle:
10113/21732
DOI:
10.1007/s10681-008-9778-2

24. Quantitative analysis and QTL mapping for agronomic and fiber traits in an RI population of upland cotton

Author:
Wu, Jixiang; Gutierrez, Osman Ariel; Jenkins, Johnie N.; McCarty, Jack C.; Zhu, Jun
Source:
Euphytica 2009 v.165 no.2 pp. 231
ISSN:
0014-2336
Subject:
Gossypium hirsutum; cotton; inbred lines; quantitative genetics; quantitative trait loci; chromosome mapping; agronomic traits; crop yield; fiber quality; lint cotton; genetic markers; microsatellite repeats; loci; linkage groups; phenotypic variation; quantitative traits
Abstract:
... Genetic mapping is an essential tool for cotton (Gossypium hirsutum L.) molecular breeding and application of DNA markers for cotton improvement. In this present study, we evaluated an RI population including 188 RI lines developed from 94 F₂-derived families and their two parental lines, 'HS 46' and 'MARCABUCAG8US-1-88', at Mississippi State, MS, for two years. Fourteen agronomic and fiber traits ...
Handle:
10113/21731
DOI:
10.1007/s10681-008-9748-8