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乙草胺对水稻淀粉酶同工酶的影响

Effects of Acetochlor on Amylase-isoenzyme in Rice

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【作者】 冉梦莲陈友荣肖敬平

【Author】 Ran Menglian; Chen Yourong; Xiao Jingping; (Biology Department of Huizhou Universily, Huizhou 516015; College of Biological technology, South China Agricultural University)

【机构】 惠州大学生物系!广东惠州516015华南农业大学生物技术学院

【Abstract】 Germinating seeds of three rice varieties (a high quality Huaxianzhan, a hybrid Yueyouqingzhan and a comman Suilingzhan) were treated with acetochlor at three concentrations. The growth of rice seedling was differently inhibited. Huaxianzhan was the most sensitive variety, Suilingzhan the most resistant and Yueyouqingzhan the inter mediate. During 2 ~ 10 days after germination, acetochlor had no distinct inhibition to amylase-isoenzyme and the activity of a-amylase in all the three rice varieties. However, the β-amylase in sensitive variety was heavily inhibited on the 6th day after germination. According to this fact, the study concluded that one important physiolgical cause for rice’s sensitivity to acetochlor might be the inhibition of 3-amylase in rice by the herbicide.

【关键词】 水稻乙草胺敏感性淀粉酶同工酶
【Key words】 RiceAcetochlorSensitivityAmylase-isoenzyme
  • 【文献出处】 中国农业科学 ,SCIENTIA AGRICULTURA SINICA , 编辑部邮箱 ,1999年01期
  • 【分类号】S451.21
  • 【被引频次】4
  • 【下载频次】87
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