[ Objective] The paper was to explore the field efficacy of 22% fipronil FS against sugarcane stem borer and thrips (Baliothrips serratus Kobus ). [ Method] The field trial was conducted by foliar spraying of 22% fi...[ Objective] The paper was to explore the field efficacy of 22% fipronil FS against sugarcane stem borer and thrips (Baliothrips serratus Kobus ). [ Method] The field trial was conducted by foliar spraying of 22% fipronil FS and mixed broadcasting with fertilizer in 2014. [ Result ] Foliar spraying of 22% fipronil FS at the dose of 50 mIV667 m~ had the best control effect against sugarcane stem borer, and the control effect at 90 d post administration was 70.70%, significantly higher than that of control agent (61.86%). Medium and high dose of 22% fipronil FS had better control effects against sugarcane thrips. [ Conclusion ] Considering control effects against sugarcane stem borers and thrips as well as sugarcane yield, it is recommended that 22% fipronil FS is sprayed at medium concentration (50 mL/667 m2 ).展开更多
基金Supported by Special Project for Construction of China Agricultural Industry Research System(CARS-20-2-3)Special Fund for Agro-scientific Research in the Public Interest(200903004-41)Key Science and Technology Project of Agriculture in Guangxi Province(201414)
文摘[ Objective] The paper was to explore the field efficacy of 22% fipronil FS against sugarcane stem borer and thrips (Baliothrips serratus Kobus ). [ Method] The field trial was conducted by foliar spraying of 22% fipronil FS and mixed broadcasting with fertilizer in 2014. [ Result ] Foliar spraying of 22% fipronil FS at the dose of 50 mIV667 m~ had the best control effect against sugarcane stem borer, and the control effect at 90 d post administration was 70.70%, significantly higher than that of control agent (61.86%). Medium and high dose of 22% fipronil FS had better control effects against sugarcane thrips. [ Conclusion ] Considering control effects against sugarcane stem borers and thrips as well as sugarcane yield, it is recommended that 22% fipronil FS is sprayed at medium concentration (50 mL/667 m2 ).