【摘要】 2016—2017年,作者进行了几种杀菌剂防治苹果斑点落叶病田间药效试验。2年试验结果表明,50%醚菌酯水分散粒剂对苹果斑点落叶病有显著的防治效果,防效分别为87.01%和87.86%;70%丙森锌水分散粒剂防治效果稍低,防效为68.89%和69.01%。供试药剂对苹果树生长均无不良影响。更多还原

【Abstract】 Several fungicides were used to control apple spot leaf in field to define the control effect in 2016—2017. The results of two years field trials showed that the Kresoxim methyl 50% WDG had significant control effect against the tested pathogenic fungus with the efficiency of about 87.01% and 87.86%; the traditional fungicides of propineb 70% WG exhibited low effect against the tested pathogenic fungus with the efficiency of about 68.89%and 69.01%.All these fungicides had no adverse effects on apple tree growth.更多还原