Genotype and Management Evaluation Based on Genotype by Yield*Trait (GYT) Analysis
作者: Weikai Yan 1* Judith Frégeau-Reid 1 Nathan Mountain 2 John Kobler 2
刊名: Crop Breeding, Genetics and Genomics, 2019, Vol.1 (1)
来源数据库: Hapres
DOI: 10.20900/cbgg20190002
关键词: Genotype by yield*trait (GYT) analysisBiplotGenotype evaluationManagement evaluationOat
原始语种摘要: Data for multiple traits are routinely collected in crop variety trials and agronomic management studies, which are used to identify superior genotypes, managements, or genotype-management combinations for a given crop and region. However, dealing with multiple traits has been a challenge due to unfavourable associations among traits. In this paper we demonstrate the use of GYT (genotype by yield*trait) analysis for evaluating genotypes (or agronomic managements or genotype-management combinations) based on multiple traits. Genotype evaluation using GYT analysis involves several steps. First, convert the genotype by trait two-way table into a GYT table. Second, standardize the GYT table by each yield-trait combination. Third, apply proper weights to the yield-trait combinations according...
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关键词翻译
关键词翻译
  • Analysis 分析
  • genotype 属型
  • superiority 优势
  • trait 性状
  • graphically 用图表表示
  • analysis 分析
  • management 管理
  • recommended 推荐
  • agronomic 农艺学的
  • index 指标