不同杀菌剂对马铃薯晚疫病的防治效果比较

Science and technology of Sichuan agriculture(2019)

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Abstract
为筛选对马铃薯晚疫病有效防治药剂,以马铃薯晚疫病监测预警系统(CARAH模型)为指导,比较了11种杀菌剂对马铃薯晚疫病的田间防治效果和对马铃薯的增产效果.结果 表明:试验点马铃薯晚疫病以轻度侵染为主,在马铃薯晚疫病第3代侵染循环6分值时开始进行药剂防治,末次药后10d,11种杀菌剂对马铃薯晚疫病的平均防治效果为80.08% ~96.26%,其中10%氟噻唑吡乙酮OD 150mL/hm2施用3次,间隔10d的平均防治效果最高,为96.26%,较对照增产55.73%.
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