Species Diversity and Distribution Characteristics of Entomogenous Fungi in Zipeng Mountain National Forest Park

doi:10.16409/j.cnki.2095-039x.2018.04.011

Abstract

Abstract: An investigation of entomopathogenic fungi from four categories of community structure forests in Zipeng Mountain National Forest Park in Anhui was conducted from 2015 through 2016. All strains of entomogenous fungi were preliminarily identified to species using characteristics of colony morphology, fruiting body and spores. With a total of 436 fungal isolates were obtained, with13 species belonging to six genera. Isaria cateniannulata, I. cicadae, Beauveria bassiana and I. fumosorosea were the dominant species of entomogenous fungi, accounting for 89.23% of the collection. The entomogenous fungi were high in abundance but low in species diversity. The abundance of each species was the highest in summer and late spring. With the decrease of temperature and rainfall, the abundance decreased gradually. I. cateniannulata, I. cicadae and B. bassiana showed a greater seasonal fluctuation in abundance than I. fumosorosea. I. cateniannulata, I. cicadae and I. fumosorosea mainly distributed in the broad-leaf forest, and were strongly dependent on the single habitat, while B. bassiana mainly distributed in the coniferous forest. The study has clarified the entomogenous fungi species diversity and distribution characteristics in Zipeng Mountains, which serves the basis for the development of biological pesticide.

Key words: Zipeng Mountain, entomogenous fungi, species, distribution characteristics, resources investigation

CLC Number:

LIU Yujun, ZHOU Haibo, DONG Xianru, XU Shuwen, CAI Qunxing. Species Diversity and Distribution Characteristics of Entomogenous Fungi in Zipeng Mountain National Forest Park[J]. journal1, 2018, 34(4): 568-573.

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