Evaluation of the control effect of yellow light on major moth pests in tea gardens
This study aimed to evaluate the effectiveness of yellow light in controlling major moth pests in tea gardens.The experiments were conducted in Weng'an County of Guizhou Province and Qiongxia City of Sichuan Province in 2021.The results showed that the yellow light had a significant impact on controlling Ectropis oblique subsp.hypulina Wehrli and Euproctis pseudoconspersa Strand in tea gardens in Weng'an County.The average control effect was over 70％per survey day,with the highest control effectiveness for Ectropis oblique subsp.hypulina Wehrli being 91.67％and for Euproctis pseudoconspersa Strand being 93.77％.In the tea gardens of Qiongxia City,Sichuan Province,the control effects of the three kinds of moth pests,namely Ectropis oblique subsp.hypulina Wehrli,Euproctis pseudoconspersa Strand,and Caloptilia theivora Walsingham were more than 50％on the survey day.The average highest control effect was 65.33％,66.67％,and 80％,respectively.There was not much difference in the control effect at positions 5 meters,10 meters,and 15 meters away from the light source in the tea gardens of Weng'an County,Guizhou.However,in the tea gardens of Qiongxia City,Sichuan,the difference was quite obvious on most survey dates.The closer the tea plants are to the light source,the better the control effect.The research results provided essential experimental evidence for the application and promotion of yellow light in tea gardens.
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