A study of two sorghum hybrids, E-57 and TX-671, indicated that differences in grain yield under conditions of low rainfall were associated with increased extraction of soil water at depth. E-57 used less water before anthesis than did TX-671, which was more than compensated for by increased water use after anthesis. As soil water declined in a drying cycle, TX-671 tended to restrict its water use at a higher water content than E-57. The implication of these results is discussed. © 1983, CSIRO. All rights reserved.
CITATION STYLE
Wright, G. C., & Smith, R. C. G. (1983). Differences between two grain sorghum genotypes in adaptation to drought stress. II* Root water uptake and water use. Australian Journal of Agricultural Research, 34(6), 627–636. https://doi.org/10.1071/AR9830627
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