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<p>The tobacco caterpillar, <i>Spodoptera litura</i> Fabricus, is a&#xa0;major concern for both tobacco seedlings and mature crops, causing extensive losses. Our recent studies on the joint application of <i>Beauveria bassiana</i> and emamectin benzoate against <i>S.&#xa0;litura</i> have shown promising results. This study uncovers the changes in life history of <i>S.&#xa0;litura</i> triggered by the individual or joint application of <i>B.&#xa0;bassiana</i> and emamectin benzoate. Our results showed a&#xa0;significant reduction in growth and feeding parameters of <i>S.&#xa0;litura</i> treated with individual or joint application of <i>B.&#xa0;bassiana</i> and emamectin benzoate compared with the control treatment. Similarly, significant reduction in pupation (37.78%) as well as adult emergence (23.33%) of <i>S.&#xa0;litura</i> was caused by joint application of <i>B.&#xa0;bassiana</i> and emamectin benzoate compared with the control treatment. These results will further improve our knowledge about the infection mechanism responsible for synergistic action of <i>B.&#xa0;bassiana</i> + emamectin benzoate against <i>S.&#xa0;litura.</i></p>

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Biological Traits of Spodoptera litura (Fabricius) in Response to Joint Application of Beauveria bassiana (Balsamo)Vuillemin and Emamectin Benzoate

  • 期刊论文

  • 发表日期：

    2025年1月7日

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  • Jiaying Li,
  • Qingsong Cheng,
  • Lin Chen,
  • Kai Teng,
  • Weiai Zeng,
  • Hailin Cai,
  • Shen Zhang,
  • Zhipeng Xiao,
  • Shaolong Wu,
  • Bin Hu,
  • Zhenxing Zhao,
  • Hongwu Yang,
  • Xiangping Zhou

摘要

The tobacco caterpillar, Spodoptera litura Fabricus, is a major concern for both tobacco seedlings and mature crops, causing extensive losses. Our recent studies on the joint application of Beauveria bassiana and emamectin benzoate against S. litura have shown promising results. This study uncovers the changes in life history of S. litura triggered by the individual or joint application of B. bassiana and emamectin benzoate. Our results showed a significant reduction in growth and feeding parameters of S. litura treated with individual or joint application of B. bassiana and emamectin benzoate compared with the control treatment. Similarly, significant reduction in pupation (37.78%) as well as adult emergence (23.33%) of S. litura was caused by joint application of B. bassiana and emamectin benzoate compared with the control treatment. These results will further improve our knowledge about the infection mechanism responsible for synergistic action of B. bassiana + emamectin benzoate against S. litura.