5%砜嘧磺隆OD对云南冬早马铃薯田杂草的防效及安全性评价  

Control Effect and Safety Evaluation of Rimsulfuron 5% OD on Weeds in Winter Potato Field in Yunnan

作　　者：杨肖艳 汤东生[1] 姚宗泽 杨伶鹍 傅杨[1] Yang Xiao-yan;Tang Dong-sheng;Yao Zong-ze;Yang Ling-kun;Fu Yang(College of Plant Protection,Yunnan Agriculture University,Kunming 650201,China;College of Agronomy and Biotechnology,Yunnan Agriculture University,Kunming 650201,China;Yunnan Yuntianhua Agricultural Resources Chain Co.,Ltd.,Yunan Dali 671000,China)

机构地区：[1]云南农业大学植物保护学院,昆明650201 [2]云南农业大学农学与生物技术学院,昆明650201 [3]云南云天化农资连锁有限公司,云南大理671000

出　　处：《现代农药》2019年第6期51-53,56,共4页MODERN AGROCHEMICALS

基　　金：云南省科技计划项目(KX141420)

摘　　要：分析了5%砜嘧磺隆OD对云南冬早马铃薯田杂草的防除效果及其对马铃薯的安全性。结果表明,5%砜嘧磺隆OD对牛筋草、狗尾草、鬼针草、苋等杂草防效良好,对马铃薯安全。喷施11.25、15.00、18.75、30.00 g/hm2的5%砜嘧磺隆OD 45 d后的总草株防效分别为64.5%、77.8%、83.4%、89.3%,鲜重防效分别为66.3%、83.6%、89.3%、93.4%。从药剂施用的经济性和安全性考虑,推荐5%砜嘧磺隆OD在云南冬早马铃薯田杂草防除应用中的使用剂量为15.00~18.75 g/hm2。This study analyzed the herbicidal effect of rimsulfuron 5%OD on weeds in winter potato fields in Yunnan and the safety of potatoes.The results showed that rimsulfuron 5%OD had good control effect on weeds such as Eleusine indica(L.)Gaertn.,Setaria Viridis(L.)Beauv.,Bidens pilosa(L.),Amaranthus tricolor(L.),and was safe for potatoes.Spraying doses of rimsulfuron 5%OD of 11.25,15.00,18.75,30.00 g/hm2,the total grass plant control effects after 45 days of spraying was 64.5%,77.8%,83.4%,89.3%,respectively.The fresh weight control effects after 45 days of spraying were 66.3%,83.6%,89.3%,93.4%,respectively.From the economic and safety considerations of the application of the medicament,it was recommended that the dosage of the rimsulfuron 5%OD used in the potato winter field control application in Yunnan was 15.00-18.75 g/hm2.

关 键 词：砜嘧磺隆 冬早马铃薯田 杂草 防效 

分 类 号：S482.4[农业科学—农药学]