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源库改变对小麦籽粒蛋白质、淀粉含量和产量的影响 被引量:12

EFFECTS OF SOURCE-SINK ALTERATION ON PROTEIN,STARCH CONTENT AND GRAIN YIELD IN WHEAT(TRITICUM AESTIVUM L.)
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摘要 利用蛋白质含量及产量各不相同的3个春小麦品种,研究了源库改变对淀粉、蛋白质沉积及单株产量的影响.结果表明,源库改变明显地影响着籽粒蛋白质含量,而对淀粉、可溶性糖合量影响不大;品种间蛋白质含量对源库变化的反应不同;千粒重的增减也因品种而异;淀粉的沉积主要受库的限制,而源库都影响着蛋白含量;旗叶在产量和蛋白形成中起着同样重要作用. Effects of source-sink alteration on protein, starch content and grain yield were investigated using three wheat cultivars differing in both yield and protein content.The results showed that:alteration of source-sink influenced grain protein content significantly,however,it had a liffle effects to the starch and soluble sugar content in grains.There were verietal responses to source-sink alteration in protein contont and thousand grain weight.The deposition of starch primarily depended on sink-limited events, and the protein content was influenced by both sink-limited and source-limited events. Flag leaf played the similiar role in protein accumulation as the formation of grain yield.
出处 《东北农业大学学报》 CAS CSCD 1996年第4期321-325,共5页 Journal of Northeast Agricultural University
关键词 源库改变 蛋白质 淀粉 粒重 小麦 source-sink alteration, protoin,starch,grain weight,wheat
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