Cinnamic Acid Inhibited Growth of Faba Bean and Promoted the Incidence of Fusarium Wilt.

Qian Zhao,Yan Dong,Kun Dong,Jingxiu Xiao,Ling Chen

doi:10.3390/plants7040084

Abstract

To ascertain the role and mechanism of cinnamic acid in the process of soil-borne Fusarium wilt infection with fava bean, we studied the effect of cinnamic acid on the faba bean and Fusarium oxysporum f. fabae (FOF). Our results showed that cinnamic acid treatment affected the physiological resistance of faba bean to FOF after inoculation with the pathogen and enhanced the pathogenicity of the pathogen, which may have led to aggravation of infection by the pathogen and increases in the incidence rates of Fusarium wilt and disease.

Highlights

The faba bean (Vicia faba L.) is an important leguminous crop for multitudes worldwide
Fusarium wilt is among the main soil-borne diseases threatening the production of faba bean [2], as well as many other crops, including cucumber (Cucumis sativus L.), watermelon (Citrullus lanatus (Thunb.) Matsum. et Naka), and strawberry (Fragaria ananassa Duch.) [3,4,5]
Cinnamic acid treatment significantly reduced the number of leaves per plant, by 24.64%, 40.01%, and 45.41% at cinnamic acid concentrations of 50, 100, and 200 mg·L−1, respectively, compared with the control

Summary

Introduction

The faba bean (Vicia faba L.) is an important leguminous crop for multitudes worldwide. It is widely used as food, fodder, and green manure, and has high adaptability and high nitrogen fixation. The faba bean tends to experience obstacles to replantation after continuous cropping, especially soil-borne diseases and low yield [1]. Fusarium wilt is among the main soil-borne diseases threatening the production of faba bean [2], as well as many other crops, including cucumber (Cucumis sativus L.), watermelon (Citrullus lanatus (Thunb.) Matsum. Et Naka), and strawberry (Fragaria ananassa Duch.) [3,4,5] This disease is principally caused by Fusarium oxysporum [6], which infects plants by interfering with signal recognition in host plants and destroying plant defence systems

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Conclusion