Pathogens Infecting Chinese Yams Planted on Ridges in Northern Hubei

YANG Xiaolin; ZHANG Youhong; WANG Zuoqian; CHANG Xiangqian; LYU Liang; ZHANG Shu; YANG Xinsun

doi:10.19303/j.issn.1008-0384.2021.01.008

Volume 36 Issue 1

Jan. 2021

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Article Navigation > Fujian Journal of Agricultural Sciences > 2021 > 36(1): 59-64

YANG X L, ZHANG Y H, WANG Z Q, et al. Pathogens Infecting Chinese Yams Planted on Ridges in Northern Hubei [J]. Fujian Journal of Agricultural Sciences，2021，36（1）：59−64 doi: 10.19303/j.issn.1008-0384.2021.01.008

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YANG X L, ZHANG Y H, WANG Z Q, et al. Pathogens Infecting Chinese Yams Planted on Ridges in Northern Hubei [J]. Fujian Journal of Agricultural Sciences，2021，36（1）：59−64 doi: 10.19303/j.issn.1008-0384.2021.01.008

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Pathogens Infecting Chinese Yams Planted on Ridges in Northern Hubei

doi: 10.19303/j.issn.1008-0384.2021.01.008

1.
Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement, Wuhan, Hubei 　430064, China
2.
Institute of Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan, Hubei 　430064, China
3.
Hubei Biological Pesticide Engineering Research Center, Wuhan, Hubei 　430064, China
4.
Institute of Food Crops, Hubei Academy of Agricultural Sciences, Wuhan, Hubei 　430064, China

Received Date: 2020-07-30
Rev Recd Date: 2020-12-20

Available Online: 2021-02-08

Publish Date: 2021-01-31

Abstract

Abstract

Objective Pathogens that cause serious diseases on Dioscorea batatas Decne grown on the mountain ridges in northern Hubei province were investigated to facilitate drafting effective disease prevention and control measures. Method Specimens of aboveground parts of the diseased plants were collected for pathogen isolation. The isolates were identified by colonial morphology, microstructure, and blasting sequence of ITS as well as the pathogenicity determination with tissue separation of phytopathology and ITS-PCR. Result The isolated pathogenic fungi included Alternaria alternate, Colletotrichum fructicola, C. gloeosporiaides, and Lasiodiplodia pseudotheobromae. Conclusion The pathogens causing the diseases, such as anthracnose, that can lead to withering or death of Chinese yams at the region were highly diversified and complex.
- Dioscorea batatas Decne,
- pathogen,
- morphology,
- ITS identification,
- Colletotrichum

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References(31)

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