Isolation and Identification of Pathogen of Gerbera Root Rot Disease in Fujian

HAO Xiang-yang; LIN Mi; SUN Xue-li; JIAO Yuan-chen; YANG Chun-xiao; LAI Zhong-xiong; WANG Tian-chi; CHENG Chun-zhen

doi:10.19303/j.issn.1008-0384.2018.04.011

Volume 33 Issue 4

Mar. 2019

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Article Navigation > Fujian Journal of Agricultural Sciences > 2018 > 33(4): 391-395

HAO Xiang-yang, LIN Mi, SUN Xue-li, JIAO Yuan-chen, YANG Chun-xiao, LAI Zhong-xiong, WANG Tian-chi, CHENG Chun-zhen. Isolation and Identification of Pathogen of Gerbera Root Rot Disease in Fujian[J]. Fujian Journal of Agricultural Sciences, 2018, 33(4): 391-395. doi: 10.19303/j.issn.1008-0384.2018.04.011

Citation:

HAO Xiang-yang, LIN Mi, SUN Xue-li, JIAO Yuan-chen, YANG Chun-xiao, LAI Zhong-xiong, WANG Tian-chi, CHENG Chun-zhen. Isolation and Identification of Pathogen of Gerbera Root Rot Disease in Fujian[J]. Fujian Journal of Agricultural Sciences, 2018, 33(4): 391-395. doi: 10.19303/j.issn.1008-0384.2018.04.011

Citation:

HAO Xiang-yang, LIN Mi, SUN Xue-li, JIAO Yuan-chen, YANG Chun-xiao, LAI Zhong-xiong, WANG Tian-chi, CHENG Chun-zhen. Isolation and Identification of Pathogen of Gerbera Root Rot Disease in Fujian[J]. Fujian Journal of Agricultural Sciences, 2018, 33(4): 391-395. doi: 10.19303/j.issn.1008-0384.2018.04.011

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Isolation and Identification of Pathogen of Gerbera Root Rot Disease in Fujian

doi: 10.19303/j.issn.1008-0384.2018.04.011

Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350013, China

Received Date: 2017-12-17
Rev Recd Date: 2018-03-18
Publish Date: 2018-04-01

Abstract

Abstract

Qingliu County in Fujian is one of the most important gerbera producing areas in China. Recently, the root rot disease is becoming epidemic and serious in the county. The present study sampled and isolated pathogenic fungi from the plant roots that were infected by the disease. The morphology and molecular identification analyses on the samples indicated that the pathogens, Phytophthora cryptogea, Fusarium oxysporum, Colletotrichum gloeosporioides and F. solani were likely the culprits, with P. cryptogea and F. oxysporum being most numerous. After a Koch's theorem verification, P. cryptogea was further identified as the fungus that caused the root rot disease on gerbera in Qingliu County. The information is to be used for selecting control method and in further studies on the pathogen as well as its antagonistic microorganisms for bio-control on the disease.
- Gerbera jamesonii,
- root rot disease,
- Phytophthora cryptogea,
- isolation and identification

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References(25)

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