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Study on the Role of Salicylic Acid in Watermelon-Resistant Fusarium Wilt under Different Growth Conditions

文献类型： 外文期刊

作者： Zhu, Feiying 1 ; Wang, Zhiwei 3 ; Su, Wenjun 4 ; Tong, Jianhua 1 ; Fang, Yong 2 ; Luo, Zhengliang 2 ; Yuan, Fan 1 ; Xiang, Jing 1 ; Chen, Xi 2 ; Wang, Ruozhong 1 ;

作者机构： 1.Hunan Agr Univ, Hunan Prov Key Lab Phytohormones, Coll Biosci & Biotechnol, Changsha 410128, Peoples R China

2.Hunan Acad Agr Sci, Hunan Agr Biotechnol Res Inst, Changsha 410125, Peoples R China

3.Hunan Acad Agr Sci, Hunan Agr Equipment Res Inst, Changsha 410125, Peoples R China

4.Zhuzhou Inst Agr Sci, Zhuzhou 412007, Peoples R China

关键词： salicylic acid; watermelon; Fusarium wilt; resistance

期刊名称：PLANTS-BASEL （ 影响因子：4.658； 五年影响因子：4.827 ）

ISSN：

年卷期： 2022 年 11 卷 3 期

页码：

收录情况： SCI

摘要： Background: Fusarium wilt disease is leading threat to watermelon yield and quality. Different cultivation cropping systems have been reported as safe and efficient methods to control watermelon Fusarium wilt. However, the role of salicylic acid (SA) in watermelon resistance to Fusarium wilt in these different cultivation systems remains unknown. Methods: in this experiment, we used RNA-seq and qRT-PCR to study the effect of SA biosynthesis on improving watermelon health, demonstrating how it may be responsible for Fusarium wilt resistance under continuous monocropping and oilseed rape rotation systems. Results: the results revealed that the expression of the CIPALs genes was key to SA accumulation in watermelon roots. We observed that the NPR family genes may play different roles in responding to the SA signal. Differentially expressed NPRs and WRKYs may interact with other phytohormones, leading to the amelioration of watermelon Fusarium wilt. Conclusions: further understanding of gene expression patterns will pave the way for interventions that effectively control the disease.

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