花蕾注射防治香蕉黄胸蓟马的天然源药剂筛选及田间防效

本研究采用花蕾注射法对9种天然源农药防治香蕉黄胸蓟马的田间防效进行了评价。结果表明，除虫菊素、藜芦碱、d-柠檬烯、绿僵菌在推荐剂量下对香蕉黄胸蓟马的防治效果最高，其防治效果均达90%以上。同时，试验结果还显示，d-柠檬烯分别与除虫菊素和藜芦碱以2.5 mL/L +2.5 mL/L混配时增效作用显著，其防效分别为98.74%和98.26%，显著优于单剂和其他处理。花蕾注射除虫菊素、藜芦碱、d-柠檬烯、绿僵菌对香蕉黄胸蓟马具有较好防效，可作为香蕉黄胸蓟马绿色防控的药剂示范应用。

Screening and Field Effect of natural pesticides for the Control of Thrips hawaiiensis Morgan by Bud Injection

In this study, nine natural pesticides were used to control Thrips hawaiiensis in the field by bud injection. The results showed that pyrethrin, veratrine, d-limonene and metarhizium anisopliae significantly controlled the T. hawaiiensis at the recommended dose, and the control effect was more than 90%. The results of tank mixture in the field showed that the synergistic effect of d-limonene with pyrethrin or veratrine at the concentration of 2.5 ml/L + 2.5 ml/L was significant, and the efficiency was 98.74% and 98.26% respectively, which was significantly better than that of single agent and other treatments. In?conclusion, pyrethrin, veratrine, d-limonene and metarhizium anisopliae had good control effect on T. hawaiiensis by bud injection, which could be used as a demonstration for green control of T. hawaiiensis.