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针对目前稻瘟病抗药性增强,传统药剂防效降低的现象,为提高防治稻瘟病的药剂选择性,以新型高效杀菌剂75%嘧菌酯·戊唑醇WG为试验药剂,进行防治寒地水稻稻瘟病的田间药效试验。结果表明,高剂量的药剂处理(75%嘧菌酯·戊唑醇WG 25 mL·667 m-2)综合性状表现最好,叶瘟防效可达94.26%,穗颈瘟防效可达92.46%,单产产量为600.11 kg·667 m-2。75%嘧菌酯·戊唑醇WG可作为防治稻瘟病的药剂做进一步试验示范。
In order to improve the resistance of rice blast and reduce the control effect of traditional medicine, in order to improve the selectivity of the agent for controlling blast, 75% azoxystrobin and tebuconazole WG, a novel and highly effective fungicide, were used as experimental agents to control cold paddy rice Field Efficacy Test of Rice Blast. The results showed that the high-dose treatment (25% of azoxystrobin and tebuconazole WG 25 mL · 667 m-2) had the best comprehensive performance, the leaf blast control efficiency reached 94.26%, and the panicle blast control effect reached 92.46 %, Yield per unit yield was 600.11 kg · 667 m-2.75% Azoxystrobin and tebuconazole WG could be used as further experimental demonstration for the control of rice blast.