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Article

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

1
Hunan Provincial Key Laboratory of Phytohormones, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
2
Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
3
Hunan Agricultural Equipment Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
4
Zhuzhou Institute of Agricultural Sciences, Zhuzhou 412007, China
*
Author to whom correspondence should be addressed.
Plants 2022, 11(3), 293; https://doi.org/10.3390/plants11030293
Received: 14 December 2021 / Revised: 18 January 2022 / Accepted: 19 January 2022 / Published: 22 January 2022
(This article belongs to the Section Plant Protection and Biotic Interactions)
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. View Full-Text
Keywords: salicylic acid; watermelon; Fusarium wilt; resistance salicylic acid; watermelon; Fusarium wilt; resistance
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MDPI and ACS Style

Zhu, F.; Wang, Z.; Su, W.; Tong, J.; Fang, Y.; Luo, Z.; Yuan, F.; Xiang, J.; Chen, X.; Wang, R. Study on the Role of Salicylic Acid in Watermelon-Resistant Fusarium Wilt under Different Growth Conditions. Plants 2022, 11, 293. https://doi.org/10.3390/plants11030293

AMA Style

Zhu F, Wang Z, Su W, Tong J, Fang Y, Luo Z, Yuan F, Xiang J, Chen X, Wang R. Study on the Role of Salicylic Acid in Watermelon-Resistant Fusarium Wilt under Different Growth Conditions. Plants. 2022; 11(3):293. https://doi.org/10.3390/plants11030293

Chicago/Turabian Style

Zhu, Feiying, Zhiwei Wang, Wenjun Su, Jianhua Tong, Yong Fang, Zhengliang Luo, Fan Yuan, Jing Xiang, Xi Chen, and Ruozhong Wang. 2022. "Study on the Role of Salicylic Acid in Watermelon-Resistant Fusarium Wilt under Different Growth Conditions" Plants 11, no. 3: 293. https://doi.org/10.3390/plants11030293

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