| 油菜素内酯促进小麦灌浆结实及其生理基础的研究 |
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| 引用本文： | 王学奎,骆炳山.油菜素内酯促进小麦灌浆结实及其生理基础的研究[J].华中农业大学学报,1990,9(2):123-128. |
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| 作者姓名： | 王学奎 骆炳山 |
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| 作者单位： | 华中农业大学农学系，华中农业大学农学系，华中农业大学农学系，湖北省农科院测试中心 武汉430070，武汉430070，武汉430070，武昌 430064 |
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| 摘 要： |
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| 关 键 词： | 油菜素内酯 小麦 灌浆结实 生理 |
THE PROMOTION 0N THE MILKING AND FORMATION OF GRAINS IN WHEAT AND ITS BIOLOGICAL MECHANISM |
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| Wang Xuekui,Luo Bingshan,Qu Yinglan.THE PROMOTION 0N THE MILKING AND FORMATION OF GRAINS IN WHEAT AND ITS BIOLOGICAL MECHANISM[J].Journal of Huazhong Agricultural University,1990,9(2):123-128. |
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| Authors: | Wang Xuekui Luo Bingshan Qu Yinglan |
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| Abstract: | The milking speed of grains, number of grains per ear and 1000-grain weight werepromoted following 10~(-2)ppm Brassinolide (BR) solution spraying treatments duringwheat flowering period. The data indicated that BR had no significent effect on thecontent of chlorophyll and soluble proteins, but it induced new components of proteinsand altered their relative proportions BR treatment also increased CO_2 assimilationrate and supply of photosynthate, promoted the transportation of assmilate to car, espe-cially to the low-potence spikelets. The results also showed that BR increased IAAlevels in earyl developing spikelets and ABA levels in spikelets and grains duringmealy-hard stage, indicating an alteration in the balance of endogenous IAA and ABAin ear, and as a result, growth of fertilized ovary and accumulation of starch ingrains were enhanced. |
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| Keywords: | Brassinolide transportation and distribution of photosynthate low-potence spikelets milking speed phytohormone balance |
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