Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2022, Vol. 38 ›› Issue (33): 68-73.doi: 10.11924/j.issn.1000-6850.casb2021-1125

Special Issue: 生物技术 园艺

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Antifungal Activities of the Extracts from Branches of Sophora japonica by Different Solvents

ZHANG Yu1(), LI Yunsheng1, CHENG Jun2, JIANG Xingfu3, LIU Yueqiu1(), WU Yuying1   

  1. 1School of Landscape Architecture, Beijing University of Agriculture, Beijing 102206
    2School of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing 102206
    3State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193
  • Received:2021-11-24 Revised:2022-02-05 Online:2022-11-25 Published:2022-11-22
  • Contact: LIU Yueqiu E-mail:1759250779@qq.com;liuyueqiu@bua.edu.cn

Abstract:

The Chinese scholar tree (Sophora japonica L.) is an important garden plant and medicinal plant in China. The study aims to explore the function of Sophora japonica in inhibiting plant pathogens. The inhibitory activities of branch extracts by different polar solvents (ethanol, petroleum ether, ethyl acetate, n-butanol and water) against four plant pathogens were determined by using growth rate method, and the chemical components of ethyl acetate extract were analyzed by GC-MS. The results showed that the extracts of Sophora japonica branches by different solvents had significantly different inhibitory effects against four plant pathogens. Ethyl acetate extract had the best antifungal effect, and its toxicity to Colletotrichum gloeosporioides was the highest, with an EC50 of 2.58 mg/mL at 48 h, followed by its toxicity to Ectohoma multirostrata, Botrytis cinerea and Fusarium foetens. The main chemical components of ethyl acetate extract were aliphatic and terpenoids, and the highest content was octadecyl pentafluoropropionate (14.77%). The antifungal active substances in the branches of Sophora japonica were mainly concentrated in the ethyl acetate phase, followed by n-butanol phase, water phase, and petroleum ether phase.

Key words: Sophora japonica branches, extracts, antifungal activity, chemical component

CLC Number: