| 不同棉花品种子叶衰老过程生化机理的研究 |
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| 引用本文： | 王颖,杨光伟,鲁玉贞. 不同棉花品种子叶衰老过程生化机理的研究[J]. 西南大学学报(自然科学版), 2005, 27(3): 382-384 |
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| 作者姓名： | 王颖 杨光伟 鲁玉贞 |
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| 作者单位： | [1]西南农业大学生物技术中心，重庆400716 [2]河南科技学院农学系，河南新乡453003 |
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| 摘 要： | 对10个不同棉花品种在大田栽培条件下的子叶衰老过程中某些生化变化做了研究。结果表明：中41、J4的叶绿素、可溶性糖及可溶性蛋白质降解慢、幅度小，超氧化物歧化酶(SOD)、过氧化物酶(POD)活性强，J2和夏1号的可溶性蛋白质降解快、幅度大，SOD，POD活性小，而郑101表现较好，可能与晚熟有关。
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| 关 键 词： | 棉幼苗子叶 抗衰性 叶绿素 蛋白质 可溶性糖 SOD活性 POD活性 |
| 文章编号： | 1000-2642(2005)03-0382-03 |
BIOCHEMICAL MECHANISM FOR SENESCENCE OF COTYLEDON IN DIFFERENT COTTON VARIETIES |
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| WANG Ying,YANG Guang-wei,LU Yu-zhen. BIOCHEMICAL MECHANISM FOR SENESCENCE OF COTYLEDON IN DIFFERENT COTTON VARIETIES[J]. Journal of southwest university (Natural science edition), 2005, 27(3): 382-384 |
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| Authors: | WANG Ying YANG Guang-wei LU Yu-zhen |
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| Affiliation: | WANG Ying1,YANG Guang-wei1,LU Yu-zhen2 |
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| Abstract: | The changes of some biochemical properties in the ageing cotyledons of 10 cotton varieties grown under field conditions were studied. Chlorophyll, soluble carbohydrate and soluble protein degraded slowly with a small extent of variation and high activity of SOD and POD were observed in the cotyledons of Zhong 41 and J_4. An opposite picture was noticed in the cotyledons of J_2 and Xia 1: soluble protein degraded rapidly in a large extent and SOD and POD showed high activity. The other varieties appeared in between. The good performance of Zheng 101 may be related to its late maturity. |
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| Keywords: | cotton cotyledon anti-senescence chlorophyll protein soluble sugar SOD activity POD activity |
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