Chloride salt enhances plant resistance to biotic stresses

Biotic stresses caused by bacterial and fungal pathogens damage crops; identifying treatments that enhance disease resistance provides important information for understanding plant defenses and sustainable agriculture. Salt stress affects crop yields worldwide; however, studies have focused on the t...

Full description

Saved in:
Bibliographic Details
Published in:Frontiers in plant science 2024-06, Vol.15, p.1385164
Main Authors: Yang, Yu-Bing, Yang, Chang, Zheng, Jia-Rui, Xu, Liang-Zheng, Yao, Nan
Format: Article
Language:English
Subjects:
Arabidopsis
broad spectrum resistance
cell death
Plant Science
salicylic acid
salt stress
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Biotic stresses caused by bacterial and fungal pathogens damage crops; identifying treatments that enhance disease resistance provides important information for understanding plant defenses and sustainable agriculture. Salt stress affects crop yields worldwide; however, studies have focused on the toxic sodium ion, leaving the effects of the chloride ion unclear. In this study, we found that irrigation with a combination of chloride salts (MgCl , CaCl , and KCl) suppressed the cell death phenotype of the ceramide kinase mutant . Chloride salt pre-irrigation also significantly limited the cell death caused by pv infection and inhibited the multiplication of this bacterial pathogen in a mechanism partially dependent on the salicylic acid pathway. Moreover, chloride salt pre-irrigation improved plant defenses against the fungal pathogen challenge, confining the lesion area caused by infection. Furthermore, the growth of herbivorous larvae of was retarded by feeding on chloride salt irrigated plants. Thus, our data suggest that treatment with Cl increases broad spectrum resistance to biotic challenges.
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2024.1385164