苯醚甲环唑和吡唑醚菌酯混合物对炭疽病菌的联合毒力及药效
Plant Protection(2013)
Abstract
为了明确苯醚甲环唑与吡唑醚菌酯混合物对胶孢炭疽菌(Colletotrichum gloeosporioides)的毒力增效作用,本文采用菌丝生长速率法测定了苯醚甲环唑、吡唑醚菌酯及其不同比例混合物对炭疽病菌的毒力,并通过田间试验评价了其对炭疽病的防治效果和产量的影响.结果表明:苯醚甲环唑与吡唑醚菌酯质量比为2∶1的混合物对抑制菌丝生长增效最为明显,增效系数为2.41.在田间药效试验中,2种药剂2∶1混用对祁山药炭疽病的防效明显,增产率为45.02%.
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