Identification and Pathogenicity Analysis of Pathogens in Tea Branches

ZHANG Lan; GUO Huawei; LI Menghan; LIAO-YANG Wenke; LI Xin; HAN Wenyan

doi:10.13305/j.cnki.jts.2019.06.005

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Journal of Tea Science ›› 2019, Vol. 39 ›› Issue (6) : 661-668. DOI: 10.13305/j.cnki.jts.2019.06.005

Identification and Pathogenicity Analysis of Pathogens in Tea Branches

ZHANG Lan¹, GUO Huawei¹, LI Menghan^1,2, LIAO-YANG Wenke³, LI Xin^1,*, HAN Wenyan^1,*

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Abstract

The pathogens of diseased tea branches in tea garden of Datong town, Jiande city were identified by morphological and molecular methods. Two fungal pathogens were identified, namely Fusarium incarnatum and Colletotrichum fructicola. F. incarnatum here was reported as the pathogen of tea trees. Leaves and stems of Longjing43 and Zhongcha108 were used in the experiment to analyze the pathogenicity of the two pathogens. The results show that F. incarnatum had strong pathogenicity to young leaves and stems of Longjing43, indicating it is the main pathogen causing relative disease. F. incarnatum and C. fructicola might infect tea leaves together which needs more attention in tea disease recognition, control and prevention in future.

Key words

Fusarium / molecular identification / morphological identification / pathogenicity / tea branch

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ZHANG Lan, GUO Huawei, LI Menghan, LIAO-YANG Wenke, LI Xin, HAN Wenyan. Identification and Pathogenicity Analysis of Pathogens in Tea Branches[J]. Journal of Tea Science. 2019, 39(6): 661-668 https://doi.org/10.13305/j.cnki.jts.2019.06.005

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