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进行18%苯甲·丙环唑WG防治水稻纹枯病的药效试验,结果表明:每667 m2使用18%苯甲.丙环唑WG 30、40、50 g第2次药后15 d对水稻纹枯病的防效分别为78.68%、80.08%和84.36%;每667 m2使用18%苯甲.丙环唑WG 50 g及40 g的防效较高,且对作物生长无不良的影响,药后较安全,对其他生物、其他病虫害及其他非靶标生物均无影响。生产上建议每667 m2使用18%苯甲.丙环唑WG 40～50 g(制剂量)防治水稻纹枯病,于水稻分蘖盛期施药。
The efficacy test of 18% Benzopregazole WG against rice sheath blight was carried out. The results showed that for every 667 m2, 18% Benzopirone WG 30,40,50 g The control effects of rice sheath blight were 78.68%, 80.08% and 84.36%, respectively. The use of 18% benzalkonium bromide was 667 m2. Propiconazole WG 50 g and 40 g had higher control effects and no adverse effects on crop growth , Safer after treatment, no effect on other organisms, other pests and diseases and other non-target organisms. Proposed to use 18% of the production of benzoin per 667 m2 Propiconazole WG 40 ~ 50 g (dosage) Prevention and control of rice sheath blight, the application of pesticides in tillering stage.