Caffeic acid improves biocontrol effect of Pantoea jilinensis D25 against tomato gray mold

IF 3.8 1区农林科学 Q1 AGRONOMY

Pest Management Science Pub Date : 2024-12-09 DOI:10.1002/ps.8579

Lining Zheng, Shuanglan Zheng, Shengyi Wang, Zhe Han, Ao Gao, Xian Wu, Hongyu Pan, Hao Zhang

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引用次数: 0

Abstract

BACKGROUNDGray mold in tomato caused by Botrytis cinerea is a destructive disease, which can be treated using biocontrol agents. Pretreatment of biocontrol strains with oxidative‐stress‐ameliorating compounds can enhance their tolerance to oxidative microenvironment in infected fruit wounds. In this study, we aimed to determine the effect of caffeic acid (CA) on the biocontrol efficacy of Pantoea jilinensis D25 in gray mold in cherry tomato.RESULTSD25 strain pretreated with CA exhibited enhanced oxidative stress response in cherry tomato wounds. CA‐treated D25 cells recovered from cherry tomato wounds had lower ROS level and cellular oxidative damage than D25 cells not treated with CA. The antioxidation‐related genes (CAT and GPX) were upregulated and colonization ability of D25 strain was improved in cherry tomato wounds after CA application. Furthermore, the biocontrol effects of CA‐treated D25 strain were improved. CA pretreatment to D25 strain could significantly improve the expression of defense‐related genes (SlMYC‐2, SlLoxD, SlEIN2, and SlEIN3) and activity of defense‐related enzymes in cherry tomato wounds.CONCLUSIONApplication of CA to D25 strain could improve its ability to combat antioxidant stress and biocontrol efficacy against postharvest tomato gray mold. © 2024 Society of Chemical Industry.

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来源期刊

Pest Management Science 农林科学-昆虫学

CiteScore

7.90

自引率

9.80%

发文量

553

审稿时长

4.8 months

期刊介绍： Pest Management Science is the international journal of research and development in crop protection and pest control. Since its launch in 1970, the journal has become the premier forum for papers on the discovery, application, and impact on the environment of products and strategies designed for pest management. Published for SCI by John Wiley & Sons Ltd.