|Title:||水份逆境對高粱生理性狀之影響||Other Titles:||The Effect of Water Stress on the Physiological Characteristic of Sorghum (Sorghum b/color L.)||Authors:||古明萱
|Keywords:||高粱;缺水逆境;生理反應;生殖生長期;Sorghum;Water stress;Physiological response;Reproductive stage||Issue Date:||May-1995||Publisher:||農業試驗所||Related Publication(s):||農業試驗所特刊第49號||Start page/Pages:||179-191||Source:||雜糧作物生產技術改進研討會專刊||Conference:||雜糧作物生產技術改進研討會||Abstract:||
Taichung No. 5, 2R and 80B were used in this study to investigate the physiological responses to water stress during reproductive stage of sorghum and their effects on yield. Two days, four days and eight days under water stress treatments were used on booting stage. The results showthat the leaf area, chlorophyll contents, soluble protein contents,nitrate reductase activity, starch contents and specific leaf weight (SLW) are decrease in accordance with the incease of time of water deficit treatment. Net assimilation rate (NAR) preservation and and dry weightalso express same tendency. Whereas, total sugar contents of leaf express opposite responses. Different sorghum genotypes show diffent physiological responses on diffent growth stage under various water stress treatment. The genotype which maintain high physiological activity of the late growth stage will have better dry weight.
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