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选用30%苯甲·丙环唑水剂用药量2000、1500、1000倍液防治葡萄黑痘病,施药后14d防效分别为69.87%、92.78%、92.89%;70%甲基托布津水剂1000倍液施药后14d防效为68.79%。试验研究表明,30%苯甲·丙环唑水剂可有效防治葡萄黑痘病,防治葡萄黑痘病药效明显高于对照70%甲基托布津水剂,建议使用浓度为1000~1500倍液,于葡萄黑痘病发生初期对叶面和果实均匀喷雾。
The control effect of 30% benzcyclopropazone was 2000, 1500, and 1000 times against grape black pox disease. The control effects on the 14th day after spraying were 69.87%, 92.78% and 92.89%, respectively. The 70% thiophanate-methyl Dosage of 1000 times after 14d control effect of 68.79%. Experimental studies have shown that 30% benzopirone azalea can effectively prevent and control grape anthuropathies, and the efficacy of preventing and curing grape anthracnose is significantly higher than that of the control 70% thiophanate-methyl. It is suggested that the concentration should be 1000 to 1500 times Liquid, early in the grape seedling acne disease on the foliage and fruit spray evenly.