Association Analysis of Drought and Yield Related Traits in Upland Land Races of Rice
作者: Swapan Kumar TripathySasmita DashArjun Mohan PrustiReshmi RajKRMihir Ranjan MohantySomnath PandaAsit Prasad DashPavitra Mohan MohapatraKartik Chandra Pradhan
作者单位: 1Department of Agricultural Biotechnology, College of Agriculture, OUAT, Bhubaneswar, India
刊名: Rice Genomics and Genetics, 2017, Vol.8
来源数据库: Sophia Publishing Group Inc
DOI: 10.5376/rgg.2017.08.0001
关键词: Association analysisDroughtSeed yield and related traitsRice
原始语种摘要: A set of ninety six land races including a few popular upland rice varieties were assessed to study inter-relationship of drought and yield related traits. Number of ear bearing tillers/m2, panicle weight and fertility percentage correlated significantly with grain yield/ha and the latter two component traits have very high inter se significant positive correlation under drought stress. Bold kernel type was shown to have significant positive association with grain fertility percentage. Plant height and seed yield under drought stress was negatively associated with leaf rolling score which in turn had inverse relationship with flowering and maturity duration. Thus, drought tolerance in upland rice varieties could be assessed in terms of improved grain filling and such characteristic...
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关键词翻译
关键词翻译
  • flowering 开花
  • grain 颗粒
  • percentage 百分数
  • upland 高地
  • panicle 圆锥花序
  • fertility 肥度
  • drought 干旱
  • filling 普染
  • maturity 壮年期
  • yield 成品率