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Use of Ganoderma Lucidum polysaccharide to control cotton fusarium wilt, and the mechanism involved

文献类型： 外文期刊

作者： Zhang, Zhongxiao 1 ; Diao, Hailing 1 ; Wang, Hongyan 1 ; Wang, Kaiyun 1 ; Zhao, Ming 2 ;

作者机构： 1.Shandong Agr Univ, Dept Plant Protect, Tai An 271018, Shandong, Peoples R China

2.Shandong Acad Agr Sci, Cotton Res Ctr, Jinan 250100, Shandong, Peoples R China

关键词： Ganoderma lucidum polysaccharides; Spray and irrigation root treatment; Cotton fusarium wilt; Induced resistance; Defensive enzymes; Cotton growth

期刊名称：PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：3.963； 五年影响因子：4.454 ）

ISSN： 0048-3575

年卷期： 2019 年 158 卷

页码：

收录情况： SCI

摘要： Induced resistance is an effective measure for controlling plant diseases by utilizing the natural defense of the host and meets the strategic needs of pesticide application and safety for agricultural products worldwide. Ganoderma lucidum polysaccharide (GLP), which is the main active molecule of G. lucidum, has been widely used in functional food and clinical medicine. However, there are few reports of the use of GLP for the prevention and control of plant diseases. The purpose of this study is to explore the effect of GLP and its mechanism of inducing plant resistance. In this study, we found that GLP spray and irrigation root treatments can promote growth in cotton. After soaking in GLP, theseedling height and cotton fusarium wilt resistance both increased to some extent, effects that were dose dependent. After treatment of cotton with GLP, the activities of peroxidase (POD), superoxide dismutase (SOD) and polyphenol oxidase (PPO) in leaves increased significantly, whereas the content of malondialdehyde (MDA) decreased. In addition, QRT-PCR results showed significantly increased relative expression of genes related to the jasmonic acid pathway in cotton. Therefore, we speculate that GLP can induce plant resistance by stimulating the jasmonate pathway.

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[1]Use of Ganoderma Lucidum polysaccharide to control cotton fusarium wilt, and the mechanism involved. Zhang, Zhongxiao,Diao, Hailing,Wang, Hongyan,Wang, Kaiyun,Zhao, Ming. 2019

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