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当前位置: 首页 > 文章 > 除草剂噁唑酰草胺对水稻苗期的药害分析 农药 2012,51 (2) 124-126
Position: Home > Articles > Phytotoxicity analysis of Herbicide Metamifop on Rice Seedling Agrochemicals 2012,51 (2) 124-126

除草剂噁唑酰草胺对水稻苗期的药害分析

作  者：
姚士桐;王启钊;陆志杰;金周浩
单  位：
浙江大学原子核农业科学研究所;海宁市植保土肥技术服务站
关键词：
噁唑酰草胺;药害;分析
摘  要：
[目的]探讨噁唑酰草胺对苗期水稻药害产生的原因。[方法]通过比较不同施药方法、水稻品种与用药量对秧苗的药害程度来分析其产生的主要因子。[结果]在1200 mL/hm2条件下,2种施药方法药后3、7 d品种间药害均呈显著差异;在2400 mL/hm2条件下,常规法药后3、7 d品种间药害均呈显著差异,弥雾法仅药后3 d呈显著差异;在12000 mL/hm2条件下,不同施药方法、水稻品种对药害均无显著差异。[结论]籼稻药害重于粳稻,在常规用量下,品种敏感性差异是药害产生的主要原因。
译  名：
Phytotoxicity analysis of Herbicide Metamifop on Rice Seedling
作  者：
YAO Shi-tong1,WANG Qi-zhao2,LU Zhi-jie1,JIN Zhou-hao1(1.Haining Technology and Service Station of Plant Protection,Soil and Fertilier,Haining 314400,Zhejiang,china; 2.Institute of Nuclear Agricultural Sciences,Zhejiang University,Hangzhou 310029,china)
关键词：
metamifop;phytotoxicity;analysis
摘  要：
It was to discuss the reasons of phytotoxicity caused by metamifop on rice seedling.[Methods] The phytotoxicity on rice seeding caused by various spraying methods(conventional spraying,spraying by mist sprayer),rice lines(indica and japonica rice) and dosages(1 200,2 400 and 12 000 mL/ha) were compared to analyse the main factors of phytotoxicity.[Results] The results showed that there were significant differences in phytotoxicity between rice lines as two different spraying methods sprayed with 1 200 mL/ha after 3 and 7 d.With 2400 mL/ha,there were significant differences in phytotoxicity between rice lines as conventional spraying method used after 3 and 7 d,and as spraying by mist sprayer method used after 3 d.Nevertheless,with 12 000 mL/ha no significant difference in phytotoxicity was found between spraying methods or rice lines.[Conclusions] Metamifop has more serious phytotoxicity on indica rice than that on japonica rice.Sensitivity of rice line was the dominant factor of phytotoxicity under conventional dosage.

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