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Agriculture
Volume 12
Issue 1
10.3390/agriculture12010075
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Article

Use of Lentinan and Fluopimomide to Control Cotton Seedling Damping-Off Disease Caused by Rhizoctonia solani

by
Shoumin Sun
1,†,
Haohao Yan
1,†,
Gang Chen
1,
Shuai Yang
1,
Jie Wang
2,
Yuanxue Yang
3 and
Hongyan Wang
1,*
1
Department of Plant Protection, Shandong Agricultural University, Tai’an 271018, China
2
Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
3
Institute of Industrial Crops, Shandong Academy of Agricultural Sciences, Jinan 250100, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Agriculture 2022, 12(1), 75; https://doi.org/10.3390/agriculture12010075
Submission received: 3 December 2021 / Revised: 3 January 2022 / Accepted: 4 January 2022 / Published: 6 January 2022
(This article belongs to the Special Issue Sustainable Use of Pesticides)
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Abstract

Lentinan (LNT) is a natural and functional polysaccharide isolated from Lentinus edodes fruiting bodies, which functions in stimulating the plant immune response, improving plant disease resistance and regulating plant growth. This study explores the use of LNT as a plant growth regulator and attractant in cotton production. After treatment with LNT, the content of malondialdehyde (MDA) in cotton seeds decreased, whereas the activities of polyphenol oxidase (PPO), superoxide dismutase (SOD) and peroxidase (POD) in leaves increased significantly. LNT also promoted the growth and development of cotton plants and significantly reduced the incidence of cotton damping-off disease. The relative expression of salicylic acid pathway-related genes in cotton also increased significantly. The prevention mechanism of fluopimomide was also evaluated, and the result showed lower EC50 values and was effective in controlling cotton seedling disease caused by Rhizoctonia solani in both greenhouse experiments and field trials. The use of LNT and fluopimomide in controlling cotton seedling damping-off disease showed a synergistic effect in field trials. These results will provide a new insight into the agricultural application of LNT as a biological fungicide in the field of biological controls.
Keywords: cotton damping-off disease; lentinan; Rhizoctonia solani; environmentally friendly biopesticide; defensive enzymes cotton damping-off disease; lentinan; Rhizoctonia solani; environmentally friendly biopesticide; defensive enzymes

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MDPI and ACS Style

Sun, S.; Yan, H.; Chen, G.; Yang, S.; Wang, J.; Yang, Y.; Wang, H. Use of Lentinan and Fluopimomide to Control Cotton Seedling Damping-Off Disease Caused by Rhizoctonia solani. Agriculture 2022, 12, 75. https://doi.org/10.3390/agriculture12010075

AMA Style

Sun S, Yan H, Chen G, Yang S, Wang J, Yang Y, Wang H. Use of Lentinan and Fluopimomide to Control Cotton Seedling Damping-Off Disease Caused by Rhizoctonia solani. Agriculture. 2022; 12(1):75. https://doi.org/10.3390/agriculture12010075

Chicago/Turabian Style

Sun, Shoumin, Haohao Yan, Gang Chen, Shuai Yang, Jie Wang, Yuanxue Yang, and Hongyan Wang. 2022. "Use of Lentinan and Fluopimomide to Control Cotton Seedling Damping-Off Disease Caused by Rhizoctonia solani" Agriculture 12, no. 1: 75. https://doi.org/10.3390/agriculture12010075

APA Style

Sun, S., Yan, H., Chen, G., Yang, S., Wang, J., Yang, Y., & Wang, H. (2022). Use of Lentinan and Fluopimomide to Control Cotton Seedling Damping-Off Disease Caused by Rhizoctonia solani. Agriculture, 12(1), 75. https://doi.org/10.3390/agriculture12010075

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