Effects of wheat root exudates on bacterial communities in the rhizosphere of watermelon

Jibo Shi, Xiaoya Gong, Muhammad Khashi u Rahman, Qing Tian, Xingang Zhou and Fengzhi Wu
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Jibo Shi: Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, P.R. China
Xiaoya Gong: Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, P.R. China
Muhammad Khashi u Rahman: Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, P.R. China
Qing Tian: Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, P.R. China
Xingang Zhou: Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, P.R. China
Fengzhi Wu: Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin, P.R. China

Plant, Soil and Environment, 2021, vol. 67, issue 12, 721-728

Abstract: In this study, we investigated the effects of wheat root exudates on soil bacterial communities in the watermelon rhizosphere using quantitative PCR and Illumina MiSeq sequencing. The qPCR results showed that wheat root exudates significantly increased the abundance of total bacteria, Pseudomonas, Bacillus and Streptomyces spp. Illumina MiSeq sequencing results showed that wheat root exudates significantly changed the bacterial community structure and composition. These results indicated that plant root exudates play a role in plant-to-plant signalling, strongly affect the microbial community composition.

Keywords: root exudates; plant-microbe interaction; plant growth-promoting rhizobacteria; soil microbial community (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:67:y:2021:i:12:id:419-2021-pse

DOI: 10.17221/419/2021-PSE

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