Physiological traits reveal potential for identification of drought tolerant mungbean [ Vigna radiata (L.) Wilczek] genotypes under moderate soil-moisture deficit
作者: Susheel Kumar RainaJagadish RaneNikhil RaskarAjay Kumar SinghVenkadasamy GovindasamyMahesh KumarSachin Chandrakant EkatpureParamjit Singh Minhas
刊名: Indian Journal of Genetics and Plant Breeding (The), 2019, Vol.79 (2), pp.427-437
DOI: 10.31742/IJGPB.79.2.6
关键词: MungbeansDroughtCanopy temperatureSPADChlorophyll fluorescence
原始语种摘要: Canopy temperature is an important physiological trait used for screening drought tolerance in several crop plants. Mungbean being often exposed to post-flowering drought, we evaluated a set of 48 genotypes for variability in postflowering canopy temperature and its association with root traits and other physiological parameters contributing to drought tolerance under soil-moisture deficit stress conditions. Overall, canopy temperature depression revealed significant association with seed yield. Root traits like number of lateral branches and dry root weight exhibited significant negative correlation with canopy temperature. Leaf SPAD readings were positively associated with grain yield and most of the high SPAD genotypes maintained hot canopies under drought. Some genotypes with...
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  • drought 干旱
  • moisture 湿气
  • tolerant 容许
  • under 在下
  • physiological 生理的
  • deficit 不足
  • SPAD 草稿
  • conditions 条件式
  • canopy 株冠
  • breeding 育种