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Endophytic Beauveria bassiana inhibits the performance of Phthorimaea operculella and enhances potato plant growth

文献类型： 外文期刊

作者： Zhang, Meng-Di 1 ; Wu, Sheng-Yong 1 ; Yan, Jun-Jie 1 ; Li, Jing 1 ; Ali, Abid 2 ; Gao, Yu-Lin 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China

2.Univ Agr Faisalabad, Dept Entomol, Faisalabad, Pakistan

3.Shenyang Normal Univ, Coll Life Sci, Shenyang, Peoples R China

4.Chinese Acad Agr Sci, Natl Ctr Excellence Tuber & Root Crop Res, Beijing, Peoples R China

关键词： potato tuber moth; endophytic; performance behavior; plant mass; plant growth

期刊名称：ENTOMOLOGIA GENERALIS （ 影响因子：6.608； 五年影响因子：4.803 ）

ISSN： 0171-8177

年卷期： 2022 年 42 卷 6 期

页码：

收录情况： SCI

摘要： The potato tuber moth being an important tunnel-feeding pest of potato is responsible for significant crop yield losses worldwide. The endophytic Beauveria bassiana is a potential alternative for pest control and enhanced plant growth. In this context, using behavioral observations under laboratory conditions, we showed that larvae and adults strongly preferred to settle on control plants compared to B. bassiana-colonized ones. We observed that B. bassiana presence led to a strong increase in plant aboveground height (20% increase) as well as fresh weight (21.50% increase). Furthermore, the plants colonized by B. bassiana showed upregulated nicotinate and nicotinamide metabolism pathways, whereas various metabolites produced from the arginine and proline metabolism pathway were downregulated. In term of plant phenotype and metabolomics analysis, endophytic B. bassiana not only reduced the risk of insect pests but also enhanced host plant quality. This method could be a potential tool for controlling Phthorimaea operculella.

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