苹果梨黑星病药剂筛选试验

Screening Test of Pesticides for Controlling Fruit Black Spot in Apple-pear

试验筛选出防治苹果梨黑星病的理想药剂为20%苯醚甲环唑微乳剂、40%氟硅唑乳油和80%腈菌唑.锰锌可湿性粉剂等;确定三唑类杀菌剂为目前防治苹果梨黑星病的首选药剂,并可与其他类杀菌剂混合或轮换使用,以延缓其抗性的产生,为果农更好地防治该病害提供技术支持。

By screening test, the ideal pesticides for controlling fruit black spot in apple-pear were selected,and 20% difenoeonazole microemulsion, 40% flusilazole EC, and 80% myclobutanil-mancozeb wettable powder had good effect. Determined that triazole fungicides were the prefen＇ed pesticides for controlling fruit black spot in apple-pear at present, which could be used with other fungicides mixed or rotation, so as to delay the emergence of resistance and provide the technical support for farmers to better control the disease.