【作者】 沈慧梅； 赵雪晴； 尹艳琼； 谌爱东； 吕建平； 翟保平；

【Author】 SHEN Hui-Mei~(1,2),ZHAO Xue-Qin~2,YIN Yan-Qiong~2,CHEN Ai-Dong~2, LV Jian-Ping~3,ZHAI Bao-Ping~(1,*) (1.Department of Entomology,Nanjing Agricultural University,Nanjing Jiangsu 210095,China;2.Institute of Agricultural Environment and Resources,Yunnan Academy of Agricultural Sciences,Kunming Yunnan 650205,China;3.Yunnan Plant Protection and Quarantine Station,Kunming Yunnan 650034,China)

【机构】 南京农业大学昆虫学系； 云南省农科院农业环境资源研究所； 云南省植保植检总站；

【摘要】 白背飞虱(Sogatella furcifera(Horv(?)th)一直是云南省最重要的水稻害虫,2007年至2009年连续3年全省范围大发生。云南特殊的地形地貌以及地理位置的差异使得白背飞虱在滇西南与滇东南发生情况呈现明显的时空异质性。通过对滇西南的江城和滇东南的西畴两个站点3年来的灯下虫量数据的综合分析,利用HYSPLIT模型进行灯下虫峰的轨迹模拟,用GrADS气象数据分析平台做迁入峰期的天气学背景分析,再结合稻飞虱田间实时发生动态得到以下结果:由于风场的不同,江城与西畴早期迁入的白背飞虱虫源地范围存在明显差异。江城白背飞虱的主要虫源地范围偏南、偏西,与缅甸伊洛瓦底江地区和掸邦高原、泰国北部、老挝北部虫源交流较密切,而西畴白背飞虱的虫源地则集中在越南北部红河三角洲地区。更多还原

【Abstract】 The white-backed planthopper(WBPH),Sogatella furcifera(Horvath),is one of the serious pests of rice in Yunnan Province.From 2007 to 2009,3 successive year outbreaks of WBPH were seen in all of the rice cropping areas in Yunnan.Because of the complex terrain and geopolitical locations,the occurrence of WBPH showed obviously spatio-temporal heterogeneity in Southeast and the Southwest of Yunnan.To explore the source areas of immigrant populations of WBPH,the early immigration peaks of WBPH during the 3 years were examined based on the light-trap catches both in Jiangcheng and Xichou,and the migratory pathways of WBPH were simulated by a web platform of trajectory analysis,the NOAA’s HYSPLIT.The synoptic backgrounds of the immigration events of WBPH in Jiangcheng and Xichou from 2007 to 2009 were analyzed by an international standard graphic platform,Grid Analysis and Display System(GrADS).The results indicated that there were different source areas of WBPH between Jiangcheng and Xichou. The source populations of WBPH in Jiangcheng were mostly originated from the Plains of the Ayeyarwady and the Shan Highland of Myanmar,and some of them were come from Northern Thailand and Northern Laos.But the immigrants in Xichou were mainly come from the Red River Delta in Northern Vietnam.更多还原