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当前位置: 首页 > 文章 > 灌根时间和浓度对氰霜唑防治大白菜根肿病效果的影响 现代农药 2013,12 (5) 49-50，53
Position: Home > Articles > Influences of Irrigation Root Time and Concentration of Cyazofamid on Control Effects Against Chinese Cabbage Clubroot Modern Agrochemicals 2013,12 (5) 49-50，53

灌根时间和浓度对氰霜唑防治大白菜根肿病效果的影响

作  者：
高熹;杨涓鑫;陈春梅;吴毅歆;王再强;何月秋;吴国星
单  位：
云南农业大学植物保护学院
关键词：
氰霜唑;灌根;大白菜根肿病;防效
摘  要：
为合理利用氰霜唑防治大白菜根肿病,筛选出合适的灌根时间和浓度,室内盆栽药效试验测定了灌根时间和浓度对氰霜唑防治大白菜根肿病效果的影响。结果表明:播种后前3 d用50mg/L氰霜唑灌根,相对防效都在80%以上,之后再灌根防效逐渐下降,尤其是播种9 d后再灌根,防效都在25%以下;氰霜唑灌根浓度越高,相对防效越好,但100 mg/L、50 mg/L和25 mg/L的防效差异小。建议氰霜唑灌根的时间为播种后的前3 d,灌根质量浓度为25~50 mg/L。
译  名：
Influences of Irrigation Root Time and Concentration of Cyazofamid on Control Effects Against Chinese Cabbage Clubroot
作  者：
GAO Xi;YANG Juan-xin;CHEN Chun-mei;WU Yi-xin;WANG Zai-qiang;HE Yue-qiu;WU Guo-xing;College of Plant Protection, Yunnan Agricultural University;
关键词：
cyazofamid;;irrigation root;;Chinese cabbage clubroot;;control effect
摘  要：
For the rational use of cyazofamid to control Chinese cabbage clubroot and screening out the suitable irrigation root time and concentration,the influences of irrigation root time and concentration of cyazofamid on control effects against Chinese cabbage clubroot were measured by the indoor pot tests.The results showed that the relative control effects were more than 80% with 50 mg/L cyazofamid irrigating at the first 3 days after sowing,the control effects gradually decreased with 50 mg/L cyazofamid irrigating at more than 3 days after sowing,especially the control effects were less than 25% with 50 mg/L cyazofamid irrigating at more than 9 days after sowing.The higher the irrigating concentration of cyazofamid was,the better the relative control effect was.However,the difference of the relative control effects was small among 100 mg/L,50 mg/L and 25 mg/L cyazofamid.Therefore,the recommended irrigation root time of cyazofamid is the first 3 days after sowing,and irrigating concentration is 25-50 mg/L.

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