Entomopathogen Metarhizium anisopliae promotes the early development of peanut root

Shao-Fang Liu, Guang-Jun Wang, Xiang-Qun Nong, Bin Liu, Miao-Miao Wang, Shan-Lin Li, Guang-Chun Cao and Ze-Hua Zhang
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Shao-Fang Liu: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Guang-Jun Wang: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Xiang-Qun Nong: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Bin Liu: College of Agriculture, Yangtze University, Jingzhou, P.R. China
Miao-Miao Wang: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Shan-Lin Li: College of Agriculture, Yangtze University, Jingzhou, P.R. China
Guang-Chun Cao: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Ze-Hua Zhang: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P.R. China

Plant Protection Science, 2017, vol. 53, issue 2, 101-107

Abstract: The benefit of the entomopathogen Metarhizium anisopliae to early root development was evaluated. Two inoculating methods, conidia-suspension-drenching (T1) and conidia-coating (T2), were used when sowing peanut. The results showed that taproot length and lateral root number in T1 significantly increased compared to the control (T0) in days 4-10 after treatment, whereas no significant difference was found between T2 and T0. The fungal density by T1 and T2 fluctuated in the first 8 days, followed by a gradual decline. The ratio of the taproot length or lateral root number in T1 and T0 was significant relative to the fungal persistence. It suggested that M. anisopliae promotes peanut root development and should be considered as important factor in plant protection besides pest controls.

Keywords: entomopathogenic fungus; growth promoting; taproot; lateral root; pollution-free plant protection (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:53:y:2017:i:2:id:49-2016-pps

DOI: 10.17221/49/2016-PPS

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