WATER UPSTAKE MECHANISM AND SOLUBLE SURGAR METABOLISM OF SORGHUM SEEDS UNDER WATER STRESS CONDITIONS

苏珮
山仑

Publication date

January 1996

Abstract

以高粱杂交种晋杂８６－１为材料研究了种子吸水萌动过程中胚与胚乳两部分的水分状况及可溶性糖变化的过程．结果表明：在吸水萌动过程中种胚和胚乳在水分及糖代谢方面具有不同的特点。同时间同处理条件下种胚比胚乳具有较高的含水量和较低的水势；种胚淀粉酶活性和可溶性糖含量都显著高于胚乳。随着环境水分胁迫程度的加剧，种胚淀粉酶活性和可溶性糖含量都明显升高，而胚乳的淀粉酶活性变化不大，其可溶性糖含量反而下降。据此认为种子吸水萌动过程具有与糖代谢有关的主动吸水机制

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WATER UPSTAKE MECHANISM AND SOLUBLE SURGAR METABOLISM OF SORGHUM SEEDS UNDER WATER STRESS CONDITIONS

Abstract

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WATER UPSTAKE MECHANISM AND SOLUBLE SURGAR METABOLISM OF SORGHUM SEEDS UNDER WATER STRESS CONDITIONS

Abstract

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