2个欧美杨品种树皮内生真菌多样性及优势种群动态变化

doi:10.11707/j.1001-7488.20130613

Abstract

Abstract:

In order to understand predominant species, seasonal dynamic and diversity of fungal endophytes in barks of Populus×euramericana cv.‘74/76’ and P.×euramericana cv. ‘Zhonglin46’,fungal endophytes were isolated from the barks by tissue isolation method, and identified by sequence analysis of the internal transcribed spacer and by morphological characteristics of microscopic observation. A total of 1 252 fungal endophytes were isolated from 996 bark tissues. The fungal endophytes were classified into 32 different fungal taxa belonging to 17 genera of Ascomycota. The predominant species included Alternaria alternata, Botryosphaeria dothidea, Fusarium spp., Diaporthe spp., among which A. alternata and B. dothidea were the most common predominant species in the barks. The predominant fungal endophytes in the bark tissue varied in different seasons.

Key words: fungal endophytes, Populus×euramericana, bark, diversity

CLC Number:

S718.83

Li Yong, Piao Chungen, He Wei, Chang Jupu, Wang Haiming, Guo Limin, Xie Shoujiang, Guo Minwei. Predominant Species Dynamic and Diversity of Fungal Endophytes in Barks of Populus×euramericana[J]. Scientia Silvae Sinicae, 2013, 49(6): 90-96.

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Predominant Species Dynamic and Diversity of Fungal Endophytes in Barks of Populus×euramericana

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