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You searched for: Journal name Crop science Remove constraint Journal name: Crop science Publication year rev 7987-2013 Remove constraint Publication year rev: 7987-2013 Source 2013 v.53 no.3 Remove constraint Source: 2013 v.53 no.3
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1. Diversity of Maize Kernels from a Breeding Program for Protein Quality: I. Physical, Biochemical, Nutrient, and Color Traits

Author:
Abdullah A. Jaradat; Walter Goldstein
Source:
Crop science 2013 v.53 no.3 pp. 956-976
ISSN:
0011-183X
Subject:
lipid content; proteins; Zea mays; protein value; analysis of variance; transgenic plants; corn; essential amino acids; starch; endosperm; amino acid composition; color; high-yielding varieties; biodiversity; nutrients; multiple trait selection
Abstract:
... It is a challenge to breed maize (Zea mays L.) varieties with enhanced levels of protein, oil, starch, and essential amino acid contents while maintaining competitive agronomic capability. We used multivariate statistical procedures to quantify total diversity and its components for 31 physical, biochemical, nutrient, and color traits of 1348 accessions from 13 maize populations. The germplasm bel ...
Handle:
10113/56457
DOI:
10.2135/cropsci2012.07.0437

2. Genetic Gain × Management Interactions in Soybean: I. Planting Date

Author:
Scott C. Rowntree; Justin J. Suhre; Nicholas H. Weidenbenner; Eric W. Wilson; Vince M. Davis; Seth L. Naeve; Shaun N. Casteel; Brian W. Diers; Paul D. Esker; James E. Specht; Shawn P. Conley
Source:
Crop science 2013 v.53 no.3 pp. 1128-1138
ISSN:
0011-183X
Subject:
Glycine max; crop yield; cultivars; genetic improvement; planting date; seed oils; seed weight; soybeans; Illinois; Indiana; Wisconsin
Abstract:
... Planting date is a commonly manipulated management practice in soybean [Glycine max (L.) Merr.] production; however, the impacts of past and ongoing agronomic improvements, such as earlier planting, on genetic yield improvement and associated changes in seed protein and oil have not been evaluated. The objectives of this study were to determine if a 30-d difference in planting date affected measur ...
DOI:
10.2135/cropsci2012.03.0157

3. Genetic Mapping and Confirmation of Quantitative Trait Loci for Seed Protein and Oil Contents and Seed Weight in Soybean

Author:
Safiullah M. Pathan; Tri Vuong; Kerry Clark; Jeong-Dong Lee; J. Grover Shannon; Craig A. Roberts; Mark R. Ellersieck; Joseph W. Burton; Perry B. Cregan; David L. Hyten; Henry T. Nguyen; David A. Sleper
Source:
Crop science 2013 v.53 no.3 pp. 765-774
ISSN:
0011-183X
Subject:
Glycine max; chromosome mapping; genes; genetic background; inbred lines; lipid content; marker-assisted selection; microsatellite repeats; oilseed protein; protein content; quantitative trait loci; seeds; single nucleotide polymorphism; soy protein; soybean oil; soybeans
Abstract:
... Demand for soybean [Glycine max (L.) Merr.] meal has increased worldwide and soybean importers often offer premiums for soybean containing higher contents of protein and oil. Objectives were to detect quantitative trait loci (QTL) associated with soybean seed protein, oil, and seed weight in a soybean mapping population and confirm detected QTL across genetic backgrounds and environments. Two popu ...
Handle:
10113/57462
DOI:
10.2135/cropsci2012.03.0153

4. Hybrid Breeding in Barley

Author:
Jonathan Mühleisen; Hans Peter Maurer; Gunther Stiewe; Paul Bury; Jochen C. Reif
Source:
Crop science 2013 v.53 no.3 pp. 819-824
ISSN:
0011-183X
Subject:
Hordeum vulgare; autogamy; breeding; cultivars; females; general combining ability; grain yield; heterosis; hybrids; males; variance; winter barley
Abstract:
... Barley (Hordeum vulgare L.) has been largely neglected in hybrid breeding research of autogamous cereals. The objectives of our study were (i) to study the amount of heterosis, (ii) examine the potential to predict hybrid performance based on midparent values or general combining ability (GCA) effects, and (iii) draw conclusions on the prospects for hybrid breeding in barley. Grain yield performan ...
DOI:
10.2135/cropsci2012.07.0411

5. Identification of Quantitative Trait Loci Conditioning Partial Resistance to Phytophthora sojae in Soybean PI 407861A

Author:
Sungwoo Lee; M. A. Rouf Mian; Leah K. McHale; Clay H. Sneller; Anne E. Dorrance
Source:
Crop science 2013 v.53 no.3 pp. 1022-1031
ISSN:
0011-183X
Subject:
Glycine max; Phytophthora sojae; alleles; chromosome mapping; chromosomes; crossing; cultivars; disease resistance; fungal diseases of plants; genotype; germplasm; inbred lines; pathogens; phenotypic variation; plant genetic resources; quantitative trait loci; root rot; soybeans; stem rot; variance
Abstract:
... Improving resistance for Phytophthora root and stem rot is an important goal in soybean [Glycine max (L.) Merr.] breeding. The objective of this study was to identify quantitative trait loci (QTLs) conferring partial resistance to Phytophthora sojae in an OX20-8 × PI 407861A cross, in which PI 407861A was used as the source of partial resistance. One hundred fifty-seven F₇–derived recombinant inbr ...
Handle:
10113/58211
DOI:
10.2135/cropsci2012.10.0578

6. Influence of Three Nitrogen Fertilization Schedules on Bermudagrass and Seashore Paspalum: I. Spring Green-up and Fall Color Retention

Author:
Filippo Rimi; Stefano Macolino; Michael D. Richardson; Douglas E. Karcher; Bernd Leinauer
Source:
Crop science 2013 v.53 no.3 pp. 1161-1167
ISSN:
0011-183X
Subject:
Cynodon dactylon; Paspalum vaginatum; cultivars; demonstration farms; fertilizer application; field experimentation; nitrogen fertilizers; spring; sward; turf grasses; warm season; warm season grasses; Italy; Yukon Territory
Abstract:
... A primary concern in managing warm-season turfgrasses within the transition zone is the lengthy dormant period, during which these swards lack green color. The objectives of this study were to determine the effects of three N fertilization schedules on spring green-up and fall color retention of bermudagrass [Cynodon dactylon (L.) Pers.] and seashore paspalum (Paspalum vaginatum Sw.). A field tria ...
DOI:
10.2135/cropsci2012.09.0562

7. Influence of Three Nitrogen Fertilization Schedules on Bermudagrass and Seashore Paspalum: II. Carbohydrates and Crude Protein in Stolons

Author:
Filippo Rimi; Stefano Macolino; Michael D. Richardson; Douglas E. Karcher; Bernd Leinauer
Source:
Crop science 2013 v.53 no.3 pp. 1168-1178
ISSN:
0011-183X
Subject:
Cynodon dactylon; Paspalum vaginatum; crude protein; cultivars; demonstration farms; fertilizer application; field experimentation; lawns and turf; nitrogen fertilizers; starch; stolons; temperature; turf grasses; warm season; water solubility; Italy; Yukon Territory
Abstract:
... In the transition zone, a primary concern in managing warm-season turfgrasses is turf survival under low temperatures. The objectives of this study were to determine the effects of three N fertilization schedules on stolon carbohydrates and crude protein (CP) reserves of four bermudagrasses [Cynodon dactylon (L.) Pers.] and a seashore paspalum (Paspalum vaginatum Sw.). A field trial was performed ...
DOI:
10.2135/cropsci2012.09.0564

8. Optimizing Strawberry Fruit Yield with Response Surface Methodology in a Central Composite Design

Author:
Hung-Sheng Peng; Ji-Chung Chang; Chen-Chan Chiu; Po-Yung Lai; Horng-Liang Lay
Source:
Crop science 2013 v.53 no.3 pp. 786-792
ISSN:
0011-183X
Subject:
Fragaria chiloensis; Fragaria virginiana; andesite; experimental design; fruit yield; fruiting; fruits; hybrids; models; regression analysis; response surface methodology; soil pH; strawberries; t-test; vesicular arbuscular mycorrhizae; Taiwan
Abstract:
... Using appropriate experimental design and modeling approach is important for predicting fruit yield of strawberry (Fragaria virginiana Mill.). A field study with Taoyuen 3 (T3) strawberry, a hybrid of Fragaria virginiana and Fragaria chiloensis (L.) Mill., was conducted at Taitung County, Taiwan, using a central composite design (CCD) to optimize its fruit yield. Response surface methodology (RSM) ...
DOI:
10.2135/cropsci2012.02.0099

9. Phenotypic Diversity of Root Anatomical and Architectural Traits in Zea Species

Author:
Amy L. Burton; Kathleen M. Brown; Jonathan P. Lynch
Source:
Crop science 2013 v.53 no.3 pp. 1042-1055
ISSN:
0011-183X
Subject:
aerenchyma; biomass; cluster analysis; corn; cortex; landraces; phenotypic variation; root anatomy; root systems; stele; stress tolerance; xylem
Abstract:
... We characterized phenotypic variation for root traits in 256 Zea spp. accessions, including maize landraces and Z. mays L. subsp. huehuetenangensis (H. H. Iltis & Doebley) Doebley, subsp. mexicana (Schrad.) H. H. Iltis, and subsp. parviglumis H. H. Iltis & Doebley, Z. nicaraguensis H. H. Iltis & B. F. Benz, Z. perennis (Hitchc.) Reeves & Mangelsd., and Z. luxurians (Durieu & Asch.) R. M. Bird. Ana ...
DOI:
10.2135/cropsci2012.07.0440

10. The Puroindoline b-2 Variants are Expressed at Low Levels Relative to the Puroindoline D1 Genes in Wheat Seeds

Author:
M. J. Giroux; K.-H. Kim; A. C. Hogg; J. M. Martin; B. Beecher
Source:
Crop science 2013 v.53 no.3 pp. 833-841
ISSN:
0011-183X
Subject:
RNA; Triticum aestivum; chromosome elimination; cultivars; gene expression; genes; genetic variation; genotype; hardness; loci; seeds; sequence analysis; starch granules; transcription (genetics); wheat
Abstract:
... Grain hardness in wheat is largely controlled by the Hardness locus. This locus contains the Puroindoline a (Pina) and b (Pinb) genes, thought to exist as single-copy genes only on chromosome 5D. However, four additional copies of Pinb have been reported. These new genes termed Pinb-2v1 to Pinb-2v4 map to the group 7 chromosomes of wheat (Triticum aestivum L.). Since PINA and PINB cooperatively bi ...
Handle:
10113/58828
DOI:
10.2135/cropsci2012.06.0359

11. Stability of Oleate Concentration in Soybean Lines Containing the High-Oleate Transgene DP-305423-1

Author:
Jordan D. Spear; Walter R. Fehr; Steve R. Schnebly
Source:
Crop science 2013 v.53 no.3 pp. 888-893
ISSN:
0011-183X
Subject:
Glycine max; cultivars; environmental factors; oils; oleic acid; oxidative stability; soybeans; transgenes
Abstract:
... Soybean [Glycine max (L.) Merr.] lines with the transgene DP-305423-1 produce oil with a high oleate concentration that is desirable for oxidative stability. It is important for commercial production to understand the oleate concentration that can be expected when cultivars with the transgene are grown over a range of environmental conditions. The objective of our study was to evaluate the environ ...
DOI:
10.2135/cropsci2012.08.0491

12. Switchgrass Biomass Composition Altered by Six Generations of Divergent Breeding for Digestibility

Author:
K. P. Vogel; R. B. Mitchell; G. Sarath; H. G. Jung; B. S. Dien; M. D. Casler
Source:
Crop science 2013 v.53 no.3 pp. 853-862
ISSN:
0011-183X
Subject:
Panicum virgatum; alcoholic fermentation; anaerobic digestion; artificial selection; biomass; cell wall components; cell walls; ethanol; ethanol production; ferulic acid; forage quality; fuels; genetic traits; glucose; overwintering; phenotypic variation; plant breeding; plant characteristics; rumen fermentation; selection criteria; Nebraska
Abstract:
... Biomass composition of switchgrass (Panicum virgatum L.) can affect its utilization by ruminants and its conversion to liquid fuels in a biorefinery. The objective of this study was to evaluate the effects of six generations of divergent breeding for forage in vitro dry matter digestibility (IVDMD) on switchgrass biomass composition, forage quality traits, and ethanol yield. Initially there was on ...
Handle:
10113/56240
DOI:
10.2135/cropsci2012.09.0542

13. Transferability of Genomic Simple Sequence Repeat and Expressed Sequence Tag-Simple Sequence Repeat Markers from Sorghum to Miscanthus sinensis, a Potential Biomass Crop

Author:
Lijing Dai; Bo Wang; Hua Zhao; Junhua Peng
Source:
Crop science 2013 v.53 no.3 pp. 977-986
ISSN:
0011-183X
Subject:
C4 photosynthesis; DNA; Miscanthus sinensis; Sorghum bicolor; energy crops; genetic variation; genomics; germplasm; germplasm evaluation; marker-assisted selection; microsatellite repeats; multidimensional scaling; phylogeny
Abstract:
... Miscanthus sinensis Andersson is a high-yielding perennial rhizomatous biomass crop with C4 photosynthesis and an important germplasm for Miscanthus breeding. Simple sequence repeat (SSR) markers are highly informative and widely used in many crop plants for genetic analyses and breeding applications. However, few SSR markers are available for M. sinensis research at present. In this study, 65 gen ...
DOI:
10.2135/cropsci2011.12.0671

14. Validation of Fhb1 and QFhs.nau-2DL in Several Soft Red Winter Wheat Populations

Author:
Ana L. Balut; Anthony J. Clark; Gina Brown-Guedira; Edward Souza; David A. Van Sanford
Source:
Crop science 2013 v.53 no.3 pp. 934-945
ISSN:
0011-183X
Subject:
Fusarium; Fusarium head blight; Triticum aestivum; crossing; cultivars; deoxynivalenol; disease resistance; genetic background; near-infrared spectroscopy; phenotypic selection; plant breeding; prediction; quantitative trait loci; reflectance; seeds; soft red winter wheat; Kentucky
Abstract:
... Exotic resistance quantitative trait loci (QTL) such as Fhb1 and QFhs.nau-2DL provide one strategy for breeding wheat (Triticum aestivum L.) cultivars resistant to Fusarium head blight (FHB). The first objective of this study was to evaluate the effectiveness of these QTL in reducing FHB in diverse genetic backgrounds and to measure their impact on agronomic and quality traits. Lines from five sus ...
DOI:
10.2135/cropsci2012.09.0550

15. Wide-Scale Population Sampling Identifies Three Phylogeographic Races of Basin Wildrye and Low-Level Genetic Admixture with Creeping Wildrye

Author:
C. Mae Culumber; Steven R. Larson; Thomas A. Jones; Kevin B. Jensen
Source:
Crop science 2013 v.53 no.3 pp. 996-1007
ISSN:
0011-183X
Subject:
Leymus cinereus; Leymus triticoides; amplified fragment length polymorphism; basins; chloroplast DNA; cultivars; gene flow; gene frequency; genetic markers; genetic variation; genotype; habitats; hybrids; introgression; nucleotide sequences; octaploidy; outcrossing; perennial grasses; phylogeography; races; sequence diversity; tetraploidy; Canada; Western United States
Abstract:
... Basin wildrye [Leymus cinereus (Scribn. & Merr.) Á. Löve] and creeping wildrye [Leymus triticoides (Buckley) Pilg.] are outcrossing perennial grasses native to western North America. These divergent species are generally adapted to different habitats but can form fertile hybrids. Cultivars of both species are used in agriculture and conservation, but little is known about genetic diversity and gen ...
DOI:
10.2135/cropsci2012.06.0396

16. Breeding Potential of Elite Pee Dee Germplasm in Upland Cotton Breeding Programs

Author:
B. T. Campbell; D. B. Weaver; R. Sharpe; J. Wu; D. C. Jones
Source:
Crop science 2013 v.53 no.3 pp. 894-905
ISSN:
0011-183X
Subject:
Agricultural Research Service; Gossypium hirsutum; agronomic traits; cotton; cultivars; fiber quality; genetic improvement; germplasm; hybrids; progeny
Abstract:
... Successful plant breeding programs begin with parental line selection. Effective parental line selection is facilitated when the breeding potential of candidate parental lines is known. Using topcross families involving germplasm from eight U.S. public cotton (Gossypium hirsutum L.) breeding programs, we evaluated the breeding potential of recently developed, elite Pee Dee germplasm. Based on pare ...
DOI:
10.2135/cropsci2012.09.0549

17. A Case for Crop Wild Relative Preservation and Use in Potato

Author:
S. H. Jansky; H. Dempewolf; E. L. Camadro; R. Simon; E. Zimnoch-Guzowska; D. A. Bisognin; M. Bonierbale
Source:
Crop science 2013 v.53 no.3 pp. 746-754
ISSN:
0011-183X
Subject:
germplasm; cultivars; wild relatives; plant breeders; Solanum tuberosum; climate change; potatoes; plant genetic resources; gene banks; genetic variation; case studies; germplasm conservation; international cooperation
Abstract:
... Crop wild relatives (CWR) offer a critical resource to address food security needs by providing genetic diversity for crop improvement, leading to increased plasticity and productivity of farming systems. However, plant breeders typically have not developed systematic or comprehensive strategies for the characterization and use of CWR for cultivar improvement. Potato (Solanum tuberosum L.) provide ...
Handle:
10113/56727
DOI:
10.2135/cropsci2012.11.0627

18. Comparison of Two Perennial Grass Breeding Systems with Switchgrass

Author:
K. P. Vogel
Source:
Crop science 2013 v.53 no.3 pp. 863-870
ISSN:
0011-183X
Subject:
Panicum virgatum; cultivars; grasses; overwintering; perennials; plant breeding; new variety; parents; crossing; genotype; rumen fermentation; progeny; biomass production; anaerobic digestion; artificial selection
Abstract:
... Two breeding systems, between- and within-family selection (BWFS) and multistep family selection (MFS), were compared using three switchgrass (Panicum virgatum L.) populations to determine which system was the most effective in improving biomass yield and in vitro dry matter digestibility (IVDMD). With BWFS, half-sib families are produced and evaluated on a family basis and then the best plants wi ...
Handle:
10113/56241
DOI:
10.2135/cropsci2012.09.0559

19. Development, Identification, and Genetic Analysis of a Quantitative Dwarfing Somatic Variation Line in Wheat

Author:
Ke Wang; Shunli Wang; Xiaohong Zhou; Zhishan Lin; Jiarui Li; Lipu Du; Yimiao Tang; Huijun Xu; Yueming Yan; Xingguo Ye
Source:
Crop science 2013 v.53 no.3 pp. 1032-1041
ISSN:
0011-183X
Subject:
Triticum aestivum; chromosomes; clonal variation; genetic analysis; genomics; germplasm; gibberellic acid; grain yield; hybridization; microsatellite repeats; plant height; polyacrylamide gel electrophoresis; quantitative trait loci; sodium dodecyl sulfate; tissue culture; two-dimensional gel electrophoresis; wheat
Abstract:
... Dwarfing germplasms are crucial to the development of wheat (Triticum aestivum L.) varieties with ideal plant height and combinations of agronomic traits. A novel dwarfing wheat line, AS34, was developed in this study by somatic variation. This new wheat germplasm was confirmed by sodium dodecyl sulfate polyacrylamide gel electrophoresis, two-dimensional gel electrophoresis, genomic in situ hybrid ...
DOI:
10.2135/cropsci2012.11.0620

20. Expression of Key Genes of the Isoflavonoid Pathway in Hypocotyls and Cotyledons During Soybean Seed Maturation

Author:
Marie-Pierre Artigot; Jean Daydé; Monique Berger
Source:
Crop science 2013 v.53 no.3 pp. 1096-1108
ISSN:
0011-183X
Subject:
Glycine max; chalcone; chalcone reductase; cotyledons; cultivars; daidzein; environmental impact; flowering; genes; genistein; glycitein; hypocotyls; nucleotide sequences; seed maturation; soybeans
Abstract:
... Soybean [Glycine max (L.) Merr.] seed accumulates large amounts of isoflavones, which are known for their phytoestrogenic activities. Three isoflavones (genistein, daidzein, and glycitein) are found in the seed. They are 4 to 10 times more concentrated in hypocotyls than in cotyledons. Isoflavone composition markedly diverges between these two seed parts and their accumulation begins in cotyledons ...
DOI:
10.2135/cropsci2012.05.0267