Root traits confer grain yield advantages under terminal drought in chickpea (Cicer arietinum L.)

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• 作者：Purushothaman Ramamoorthy^a ; ^b ; ^{purushothmurthy@gmail.com} ; Krishnamurthy Lakshmanan^a ; ^{lkm1949@gmail.com} ; Hari D. Upadhyaya^a ; ^c ; ^d ; Vincent Vadez^a ; Rajeev K. Varshney^a ; ^e
• 关键词：Deep roots ; Drought tolerance ; Field phenotyping ; Root length density ; Root ; shoot ratio ; Soil coring
• 刊名：Field Crops Research
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：201
• 期：Complete
• 页码：146-161
• 全文大小：1927 K
• 卷排序：201

文摘

Root system development transcribed the drought yields of chickpea genotypes. In response to drought, roots turned more prolific, thinner & penetrated deeper soils. Highest drought tolerance depended on the strength of reproductive-phase root system. RLD after 45 DAS & deep RDW before maturity & early pod-fill RSR contributed to DS. Tolerance relied on maximum water acquisition enhancing shoot biomass & partitioning.