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2009年云南省白背飞虱早期迁入种群的虫源地范围与降落机制
引用本文:沈慧梅,吕建平,周金玉,张孝羲,程遐年,翟保平.2009年云南省白背飞虱早期迁入种群的虫源地范围与降落机制[J].生态学报,2011,31(15):4350-4364.
作者姓名:沈慧梅  吕建平  周金玉  张孝羲  程遐年  翟保平
作者单位:1. 南京农业大学昆虫学系农业部病虫害监测与治理重点开放实验室,南京,210095;云南省农科院农业环境资源研究所,昆明,650205
2. 云南省植保植检站,昆明,650034
3. 南京农业大学昆虫学系农业部病虫害监测与治理重点开放实验室,南京,210095
基金项目:国家"973"资助项目 (2010CB126200); 农业公益性行业科研专项资助(200903051); 现代农业产业技术体系建设专项资金资助(nycytx-001)
摘    要:对2009年云南省江城、金平、西畴、师宗、彝良5个站点4-5月出现的白背飞虱灯下高峰日进行轨迹分析,并结合部分田间调查数据、峰期对应的大气环流背景、峰日风温场等气象因子,明确2009年云南白背飞虱早期迁入种群的虫源地范围和降落机制。研究结果表明:(1) 2009年云南4-5月份前期迁入飞虱虫源主要来自缅甸,部分虫源来自老挝与越南,极少数虫源来自印度东部因帕尔地区。(2) 低温屏障、风场切变以及垂直气流扰动是造成白背飞虱集中降落的最主要气象因子。(3) 缅甸虫源区偏西气流盛行以及冬春稻种植面积扩大而导致的虫源基数增加是造成2009年云南白背飞虱大量迁入的根本原因。

关 键 词:白背飞虱  虫源地  轨迹模拟  降落机制
收稿时间:2010/10/15 0:00:00
修稿时间:2010/12/7 0:00:00

Source areas and landing mechanism of early immigration of white-backed planthoppers Sogatella furcifera(Horvbth)in Yunnan,2009
SHEN Huimei,LV Jianping,ZHOU Jinyu,ZHANG Xiaoxi,CHENG Xianian and ZHAI Baoping.Source areas and landing mechanism of early immigration of white-backed planthoppers Sogatella furcifera(Horvbth)in Yunnan,2009[J].Acta Ecologica Sinica,2011,31(15):4350-4364.
Authors:SHEN Huimei  LV Jianping  ZHOU Jinyu  ZHANG Xiaoxi  CHENG Xianian and ZHAI Baoping
Institution:Department of Entomology, Nanjing Agricultural University, Key Laboratory of Monitoring and Management of Plant Diseases and Insects, the Ministry of Agriculture, Nanjing 210095, China; Agricultural Environment and Resources Reserach Insititute,Yunnan Academy of Agricultural Sciences, Kunming 650205, China;Yunnan Plant Protection and Quarantine Station, Kunming 650034, China;Department of Entomology, Nanjing Agricultural University, Key Laboratory of Monitoring and Management of Plant Diseases and Insects, the Ministry of Agriculture, Nanjing 210095, China;Department of Entomology, Nanjing Agricultural University, Key Laboratory of Monitoring and Management of Plant Diseases and Insects, the Ministry of Agriculture, Nanjing 210095, China;Department of Entomology, Nanjing Agricultural University, Key Laboratory of Monitoring and Management of Plant Diseases and Insects, the Ministry of Agriculture, Nanjing 210095, China;Department of Entomology, Nanjing Agricultural University, Key Laboratory of Monitoring and Management of Plant Diseases and Insects, the Ministry of Agriculture, Nanjing 210095, China
Abstract:From April to May, 2009, the research on source areas of early immigration of white-backed planthoppers (WBPH) Sogatella furcifera (Horváth) were conducted at five research stations located at five different areas in Yunnan province. Based on the analysis on the daily light-trap catches, field surveys, immigration trajectory simulation and meteorological background, the following conclusions can be drawn: (1) The main source areas of the early immigration of WBPH in 2009 were located in Myanmar, and the secondary source areas were at the Laos and Vietnam, and very few came from Imphal of India. (2) The low temperature shield of surrounding to flying WBPH and the wind shear associated with heavy precipitation were the key factors to affect the concentrated landing of WBPH. (3) The high frequency of westerly wind and the great increasing of rice planting in the source areas of Myanmar were the principal reasons that caused the mass immigration of WBPH to Yunnan in 2009.
Keywords:Sogatella furcifera   source area  migration simulation  landing mechanism
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