Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2020, Vol. 36 ›› Issue (6): 121-126.doi: 10.11924/j.issn.1000-6850.casb18110042

Special Issue: 烟草种植与生产

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Efficacy of 22.4% Spirotetrama Suspension Against Bemisia Tabaci

Xie Xianbiao, Xiao Wenxiang(), Meng Jizhi, Yang Zuobin, Shen Yunfeng, Hu Chunliang   

  1. Baoshan Station of Plant Protection and Quarantine, Baoshan Yunnan 678000
  • Received:2018-11-12 Revised:2019-01-18 Online:2020-02-25 Published:2020-02-22
  • Contact: Xiao Wenxiang E-mail:bsxiaowq@tom.com

Abstract:

We selected three kinds of insecticides, which were 22.4% Spirotetrama suspending agent, TTP200SC and Betwifruit (10% OD), and studied their effect on Bemisia Tabaci in tomato. The results showed that the drug effect increased in the first 1 to 7 days after application, and gradually decreased from 7 to 21 days, the drug effect could last for 21 days. When TTP + Spirotetrama were used as 199.5 mL + 417 mL, the drug effect was good after application for 1, 3, 7, 14 and 21 days, and the comprehensive control effect reached the best 7 days after the application, the effective rate was 93.06% and 92.19% for nymph and adult worm. The treatment has the best control effect and lasting effect on Bemisia Tabaci.

Key words: 22.4% Spirotetrama, Bemisia tabaci, control effect

CLC Number: