Article Publish Status: FREE
Abstract Title:

Potential of Cucurbitacin B and Epigallocatechin Gallate as Biopesticides against.

Abstract Source:

Insects. 2021 Jan 5 ;12(1). Epub 2021 Jan 5. PMID: 33466501

Abstract Author(s):

Chenchen Zhao, Chao Ma, Junyu Luo, Lin Niu, Hongxia Hua, Shuai Zhang, Jinjie Cui

Article Affiliation:

Chenchen Zhao


(Glover) is distributed worldwide and causes substantial economic and ecological problems owing to its rapid reproduction and high pesticide resistance. Plant-derived cucurbitacin B (CucB) and epigallocatechin gallate (EGCG) are known to have insecticidal and repellent activities. However, their insecticidal activity on cotton- and cucurbit-specialized aphids (CO and CU), the two important host biotypes of, remains to be investigated. In the present study, we characterized, for the first time, the effects of these two plant extracts on the two host biotypes ofCucB and EGCG significantly reduced thepopulation-level fitness and affected their ability to adapt to nonhost plants. Activities of important detoxification enzymes were also altered, indicating that pesticide resistance is weakened in the tested aphids. Our results suggest that CucB and EGCG have unique properties and may be developed as potential biopesticides for aphid control in agriculture.

Study Type : Insect Study

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