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    ARTICLE

    Biomass production and grain yield of three sorghum lines differing in drought resistance

    Castro-Nava S1, J Ortiz-Cereceres2,†, M del C Mendoza-Castillo2, AJ Huerta3

    Phyton-International Journal of Experimental Botany, Vol.81, pp. 149-156, 2012, DOI:10.32604/phyton.2012.81.149

    Abstract The aim of this study was to determine the efficiency of drought classification criteria that we previously reported for our grain sorghum genotypes. Two tolerant genotypes of grain sorghum [Sorghum bicolor (L.) Moench] (UAT-124 and UAT-152) and one susceptible (UAT-30) were subjected to drought under greenhouse conditions at either panicle initiation, flag leaf, or flowering. Results showed that the effects of drought depended on when drought stress occurred during development. Biomass of the three sorghum genotypes was significantly reduced at the flag leaf stage (48%) by drought stress, but the greatest reduction occurred in the susceptible… More >

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