Theoretical Unification and Practical Integration of Conventional Methods and Genomic Selection in Plant Breeding
作者: Weikai Yan 1* Nicholas A. Tinker 1 Wubishet A. Bekele 1 Jennifer Mitchell-Fetch 2 Judith Fregeau-Reid 1
刊名: Crop Breeding, Genetics and Genomics, 2019, Vol.1 (1)
来源数据库: Hapres
DOI: 10.20900/cbgg20190003
关键词: KEYWORDS: genomic selection (GS)Genotype-by-environment interaction (GE)GS model evaluationGS model developmentMega-environment (ME)Plant breedingPhenotype-based selection (PS)Prediction accuracyRate of successSufficient testingThe breeder’s equationTraining population size
原始语种摘要: Following successful application in dairy cow breeding, genomic selection (GS) has become a hot topic among plant geneticists and breeders. GS and conventional methods have the same goal of identifying best genotypes for a given crop and region, and should follow the same principles, particularly in dealing with genotype-by-environment (GE). Dealing with GE includes dividing a target region into meaningful mega-environments (MEs) based on repeatable GE patterns and then selecting for each ME. This requires different GS models be developed for different MEs. Selection for each ME requires testing at multiple locations for multiple years to account for the unrepeatable GE in the ME and to estimate the genetic main effect, . For a ME with large GE, multiple and diverse cultivars should be...
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  • breeding 育种
  • population 母体
  • identifying 识别
  • heritability 遗传力
  • predicted 预先计算的
  • variety 变种
  • selection 选择
  • genomic 染色体组的
  • Selection 分选
  • trait 性状