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Field Trapping Technology of Sex Attractants against Major Pests of Broccoli

Plant Diseases and Pests 2020年第1期11卷 22-29页

作者： Liu Weiming Wang Enguo Liu Yenan He Xianbiao Taizhou Vocational College of Science&Technology Taizhou 318020China Linhai Agricultural and Rural Bureau Linkai 317000China Taizhou Academy of Agricultural Sciences Linhai 317000China

[Objective]The paper was to explore the comprehensive sexual attraction control technology of main pests in broccoli,and to improve the green control technology of main pests in broccoli.[Method]The comprehensive control technology of sex attractants against major pests in broccoli was studied by using special sex attractants,lures and traps.[Result]The mixed quantities of Spodoptera litura,Spodoptera exigua and Plutella xylostella were fluctuated in a"W"shape in broccoli growing season in coastal area of Taizhou,central Zhejiang province,including seedling growth period(July to August),rosette and bud growth period(late September to early November),late harvest period of late-ripening broccoli(after early march).*** and *** occurred severely at seedling stage;***,*** and *** occurred simultaneously at rosette and bud growth period;*** damaged florets of lateral branches in late harvest *** trapping effects of combination A and E against ***,*** and *** were the best;more than 1260 individuals of ***,*** and *** were daily trapped per hectare,and the occurrence and damage of the three insect pests could be basically *** the sex attract produced in Ningbo as an example,the combination of *** S type∶*** S type∶*** blue type=1∶1∶4 distributed in five stars of clubs(space 10-20 cm)showed good comprehensive trapping effect in large area demonstration;traps were hung at the height of 0.5 m(0.2 m for ***),and lures were replaced once every 30-40 d.[Conclusion]Using special sex attractants,the comprehensive effects on ***,*** and *** were determined at rosette and bud growth period of broccoli through combination modes,and supporting application technology were put forward,making great progress in exploring and improving sex attractant combination against insect pests.

关键词： Broccoli Sex attractant Spodoptera litura Spodoptera exigua Plutella xylostella

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