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为研究45%烯肟菌胺·苯醚甲环唑·噻虫嗪悬浮种衣剂对冬小麦出苗、农艺性状、主要病虫害防效、产量等的影响,以周麦27为试验品种进行田间试验,以每100kg种子30%噻虫嗪FS 240m L+30g/L苯醚甲环唑FS 200m L为对照药剂,设置3种不同药种质量比(400、600、800g/100kg)进行研究,以确定最佳用药量。结果表明:各药剂处理对小麦均不产生药害、出苗安全,可显著提高出苗率,增强小麦植株素质,成熟安全。各药剂处理小麦主要病虫害的病情指数(被害株率、百株蚜量)均与对照药剂处理差异不显著,但防效有所差异;除400g/100kg包衣对金针虫、纹枯病的防效低于对照药剂处理且差异显著外,其余药剂处理的防效均与对照药剂处理差异不显著。与空白对照(CK)相比,400、600、800g/100kg包衣处理小麦增产率分别为6.71%、8.16%、9.07%,对照药剂处理的增产率为8.29%,均与CK差异显著。生产中推荐45%烯肟菌胺·苯醚甲环唑·噻虫嗪悬浮种衣剂应用于小麦生产的最佳用量为600g/100kg包衣。
In order to study the effects of 45% propionate, difenoconazole and thiamethoxam suspension seed coating on the emergence of winter wheat, agronomic traits, the control effect of main diseases and insect pests, yield and so on, the field experiment was conducted with Zhoumai 27 as test variety, The weight ratio of 400, 600, 800 g / 100 kg of three different medicinal plants was set by using 240 mg L of thiamethoxam and 240 mg L + 30 g / L difenoconazole FS per 100 kg seeds as the control agent to determine The best dosage. The results showed that: All the pesticides did not produce phytotoxicity on wheat, the emergence of safe, can significantly increase the germination rate, enhance the quality of wheat plants, mature and safe. The disease index of the main diseases and insect pests of wheat treated by each agent was not significantly different from that of the control agent, but the control effect was different. Except for 400g / 100kg coating, Effective lower than the control drug treatment and the difference was significant, the other drug treatment control effect was not significantly different from the control agent. Compared with CK, the yield of wheat with 400, 600 and 800g / 100kg coating treatments were 6.71%, 8.16% and 9.07%, respectively. The increase rate of CK was 8.29%, which was significantly different from that of CK. 45% of the recommended production of propoxalloxacin difenoconazole thiamethoxam suspension coating agent used in wheat production is the best dosage of 600g / 100kg coating.