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选取4个籼粳杂交水稻品种,对其进行稻曲病防治药剂、防治时间试验,考察小区的病穗率和平均每穗病粒数两个指标。试验结果表明,爱苗乳油防治浙优18稻曲病效果较好;阿米妙收悬浮剂防治甬优15稻曲病效果较好;阿米妙收悬浮剂、枯草芽孢杆菌防治甬优12稻曲病效果较好;爱苗乳油和拿敌稳水分散粒剂防治甬优538稻曲病效果较好。根据当地天气情况,可适当减少农药使用次数。
Four indica-japonica hybrid rice cultivars were selected and tested for the control agent of False pymetrozanthinis and the time of prevention and treatment. The index of diseased ear and the average number of grains per panicle in the area were investigated. The results showed that the control effect of Aijiao cream on Zheyou 18 was better. The effect of Amy Miao suspension on prevention and cure of Yongyou 15 was better. Amyoung suspension concentrate and Bacillus subtilis were used to control Yongyou 12 rice The effect of songme is better; Amygdal EC and NaZuWang dispersible granule prevent and cure Yongyou 538 False Smut is better. According to the local weather conditions, may be appropriate to reduce the number of pesticides.