ArticleFrontiers in plant science2015
Association Analysis of Grain-setting Rates in Apical and Basal Spikelets in Bread Wheat (Triticum aestivum L.).
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Independent genetic factors control floret number and spikelet number inFrontiers in plant science · 2024Article
- Genetic Incorporation of the Favorable Alleles for Three Genes Associated With Spikelet Development in Wheat.Frontiers in plant science · 2022Article
- Rapid identification and deployment of major genes for flowering time and awn traits in common wheat.Frontiers in plant science · 2022Article
- Genetic mechanisms determining grain number distribution along the spike and their effect on yield components in wheat.Molecular breeding : new strategies in plant improvement · 2021Article
- Analysis of Genetic Regions Related to Field Grain Number per Spike From Chinese Wheat Founder Parent Linfen 5064.Frontiers in plant science · 2021Article
- Genome-Wide Association Study of Grain Number in Common Wheat From Shanxi Under Different Water Regimes.Frontiers in plant science · 2021Article
- Appraising the Genetic Architecture of Kernel Traits in Hexaploid Wheat Using GWAS.International journal of molecular sciences · 2020Article
- A Combined Association Mapping and Linkage Analysis of Kernel Number Per Spike in Common Wheat (Frontiers in plant science · 2017Article
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11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The rates of grain-setting in apical and basal spikelets in wheat directly affect the kernel number per spike (KNPS). In this study, 220 wheat lines from 18 Chinese provinces and five foreign countries were used as a natural population. Phenotypic analysis showed differences in grain-setting rates between apical and basal spikelets. The broad-sense heritability of grain-setting rate in apical spikelets (18.7-21.0%) was higher than that for basal spikelets (9.4-16.4%). Significant correlations were found between KNPS and grain numbers in apical (R (2) = 0.40-0.45, P < 0.01) and basal (R (2) = 0.41-0.56, P < 0.01) spikelets. Seventy two of 106 SSR markers were associated with grain setting, 32 for apical spikelets, and 34 for basal spikelets. The SSR loci were located on 17 chromosomes, except 3A, 3D, 4A, and 7D, and explained 3.7-22.9% of the phenotypic variance. Four markers, Xcfa2153-1A 202 , Xgwm186-5A 118 , Xgwm156-3B 319 , and Xgwm537-7B 210 , showed the largest effects on grain numbers in apical and basal spikelets. High grain numbers in apical and basal spikelets were associated with elite alleles. Ningmai 9, Ning 0569, and Yangmai 18 with high grain-setting rates carried larger numbers of favorable alleles. Comparison of grain numbers in basal and apical spikelets of 35 Yangmai and Ningmai lines indicated that the Ningmai lines had better grain-setting rates (mean 21.4) than the Yangmai lines (16.5).
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