西双版纳自然保护区玫烟色棒束孢分布的时空动态及寄主多样性

doi:10.16409/j.cnki.2095-039x.2020.03.006

中国生物防治学报 ›› 2020, Vol. 36 ›› Issue (3): 371-380.DOI: 10.16409/j.cnki.2095-039x.2020.03.006

西双版纳自然保护区玫烟色棒束孢分布的时空动态及寄主多样性

郑亚强^1,3, 王文倩¹, 陈斌¹, PHANGTHAVONG Souksamone¹, 赵永鑫¹, 徐天梅¹, 肖关丽²

1. 云南农业大学植物保护学院/云南生物资源保护与利用国家重点实验室, 昆明 650201;
2. 云南农业大学农学与生物技术学院, 昆明 650201;
3. 贵州中医药大学药学院, 贵阳 550025

收稿日期:2019-10-23 出版日期:2020-06-08 发布日期:2020-06-12
通讯作者: 陈斌,教授,E-mail:chbins@163.com;肖关丽,教授,E-mail:glxiao9@163.com。
作者简介:郑亚强,博士研究生,E-mail:15288338237@163.com
基金资助:
国家自然科学基金（31660537，31760519）；

Spatiotemporal Dynamics and Host Diversity of Isaria fumosorosea in Xishuangbanna Tropical Rain Forests

ZHENG Yaqiang^1,3, WANG Wenqian¹, CHEN Bin¹, PHANGTHAVONG Souksamone¹, ZHAO Yongxin¹, XU Tianmei¹, XIAO Guanli²

1. College of Plant Protection, Yunnan Agricultural University/State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Kunming 650201, China;
2. College of Agriculture & Biology Technology, Yunnan Agricultural University, Kunming 650201, China;
3. College of Pharmacy, Guiyang University of Chinese Medicine, Guiyang 550025, China

Received:2019-10-23 Online:2020-06-08 Published:2020-06-12

摘要/Abstract

摘要： 为明确西双版纳自然保护区虫生玫烟色棒束孢的时空动态及寄主多样性，以期为玫烟色棒束孢的开发利用提供理论依据和材料。本研究于2017年7月—2018年9月，对西双版纳自然保护区石灰岩山季雨林、热带季雨林、季风常绿阔叶林、热带丛生竹林、暖热性针叶林5种生境中玫烟色棒束孢的发生季节、生境分布和寄主进行了调查研究，采用形态学和ITS序列对菌株进行种类鉴定。结果表明，在西双版纳自然保护区共采集玫烟色棒束孢674株。从时间动态来看，玫烟色棒束孢于当年10月至次年4月为发生流行期，12月或次年1月为发生高峰期。从空间分布来看，玫烟色棒束孢主要分布于热带丛生竹林和石灰岩山地雨林的低、高和中海拔地带，分别采集到150和133、118、104株，相对丰度分别为22.3%、19.7%、17.5%和15.4%；热带季雨林和季风性常绿阔叶林中相对较少，分别采集到77和73株，相对丰度分别为11.4%和10.8%；暖热性针叶林生境仅采集到19株，相对丰度为2.8%。从海拔分布来看，石灰岩山季雨林生境中，玫烟色棒束孢在高、中、低海拔生境中分布的差异不明显，低海拔生境中菌株数量略高于中海拔和高海拔生境。玫烟色棒束孢的寄主节肢动物有2纲12目，包括昆虫纲11目，蛛形纲1目，其中优势寄主为鳞翅目和膜翅目，其相对丰度分别为40.4%和36.4%。该研究为玫烟色棒束孢生物多样性研究提供了重要内容，也为害虫生防高毒力玫烟色棒束孢菌株筛选提供材料。

关键词: 西双版纳自然保护区, 玫烟色棒束孢, 生境分布, 季节动态

Abstract: The spatiotemporal dynamics and host diversity of Isaria fumosorosea was investigated in five vegetation types of karst monsoon forest, tropical monsoon forest, monsoon evergreen broad-leaved forest, tropical clustered bamboo forest, and warm temperate coniferous forest in tropical rainforest of Xishuangbanna Nature Reserve for the purpose of further development and utilization of I. fumosorosea. A total of 674 strains of I. fumosorosea was collected from the five vegetations. The strains were mainly distributed in the tropical clustered bamboo forest and low, high and middle altitude of the karst monsoon forest, where 150, 133, 118 and 104 strains were collected, sharing relative abundances of 22.3%, 19.7%, 17.5% and 15.4%, respectively. Relatively fewer strains were found in the monsoon evergreen broad-leaved forest and the tropical monsoon forest, 77 and 73 strains and with, the relative abundance of 11.4% and 10.8%, respectively. The least number (19) of I. fumosorosea strains were found in the warm temperate coniferous forest, with a relative abundance of 2.8%. The number of I. fumosorosea strains did not differ significantly between different altitude areas of the karst monsoon forest. I. fumosorosea occurrence peaked from October to April. There were 12 orders of arthropods infected by I. fumosorosea, among which the dominant hosts were lepidoptera and hymenoptera, with a relative abundance of 40.4% and 36.4%, respectively. These results highlight the biodiversity of I. fumosorosea and provide strains of I. fumosorosea for screening for high virulent biocontrol strains.

Key words: Xishuangbanna tropical rain forests, Isaria fumosorosea, habitat distribution, seasonal variation

中图分类号:

S476.1

郑亚强, 王文倩, 陈斌, PHANGTHAVONG Souksamone, 赵永鑫, 徐天梅, 肖关丽. 西双版纳自然保护区玫烟色棒束孢分布的时空动态及寄主多样性[J]. 中国生物防治学报, 2020, 36(3): 371-380.

ZHENG Yaqiang, WANG Wenqian, CHEN Bin, PHANGTHAVONG Souksamone, ZHAO Yongxin, XU Tianmei, XIAO Guanli. Spatiotemporal Dynamics and Host Diversity of Isaria fumosorosea in Xishuangbanna Tropical Rain Forests[J]. Chinese Journal Of Biological Control, 2020, 36(3): 371-380.

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西双版纳自然保护区玫烟色棒束孢分布的时空动态及寄主多样性

Spatiotemporal Dynamics and Host Diversity of Isaria fumosorosea in Xishuangbanna Tropical Rain Forests

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