Banana Disease-suppressive Soil Drives Assembled to Defense Fusarium Wilt of Banana
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Fusarium wilt of banana (FWB) caused by f. sp. tropical race 4 ( TR4), poses a serious problem for sustainable banana production. Biological control is one of the effective measures to control this destructive disease. High-throughput sequencing of soil microorganisms could significantly improve the efficiency and accuracy of biocontrol strain screening. In this study, the soil microbial diversity of six main banana-producing areas in Yunnan was sequenced by Illumina Miseq platform. The outcome of this study showed the genus of , and were significantly enriched in microorganism community composition. Further correlation analysis with soil pathogen ( TR4) content showed that was significantly negatively correlated with pathogen content. Therefore, we isolated and identified from the disease-suppressive soils, and obtained a strain YN1910. and pot experiments showed that YN1910 had a significant control effect (78.43-81.76%) on banana Fusarium wilt and had a significant growth promotion effect on banana plants.
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