Reduction of soil-borne pathogen Fusarium solani reproduction in soil enriched with phenolic acids by inoculation of endophytic fungus Phomopsis liquidambari

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• 作者：Xing-Guang Xie ; Chuan-Chao Dai ; Xiao-Gang Li ; Jia-Rui Wu ; Qing-Qian Wu…
• 关键词：Endophytic fungus Phomopsis liquidambari ; Fusarium solani ; Peanut ; Phenolic acids ; Continuous cropping soils ; Biological control
• 刊名：BioControl
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：62
• 期：1
• 页码：111-123
• 全文大小：
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Entomology; Plant Pathology; Agriculture; Animal Ecology; Animal Biochemistry; Behavioral Sciences;
• 出版者：Springer Netherlands
• ISSN：1573-8248
• 卷排序：62

文摘

The increase of soil-borne pathogens induced by phenolic acids that accumulate in continuous cropping soil reduces the yield and quality of crops. The aims of this study were to investigate (i) the biological control of Fusarium solani, in soil enriched with phenolic acids, by the inoculation of the endophytic fungus Phomopsis liquidambari, and (ii) the biocontrol mechanisms involved. Inoculation of P. liquidambari significantly inhibited the reproduction of F. solani. The prompt degradation of soil phenolic acids by P. liquidambari was determined, but no direct antagonism relationship was observed between P. liquidambari and F. solani, implying the alleviated stimulation of phenolic acids was a major factor in controlling F. solani. Moreover, the presence of glucose did not significantly impact the biocontrol function of P. liquidambari, and P. liquidambari inoculation significantly alleviated disease severity of peanut. Therefore, P. liquidambari could be an effective means to control F. solani in phenolic acids-rich continuous cropping soils.