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Migration Analysis of Sogatella furcifera (Hemiptera: Delphacidae) in the Northeastern Hunan Province in June

文献类型： 外文期刊

作者： Ma, Mingyong 2 ; Wu, Yan 1 ; Peng, Zhaopu 2 ; Zhao, Xin 4 ; Zhang, Yi 2 ; Liao, Guoan 5 ; Zhai, Baoping 1 ;

作者机构： 1.Nanjing Agr Univ, Minist Agr, Key Lab Monitoring & Management Plant Dis & Insec, Nanjing 210095, Jiangsu, Peoples R China

2.Hunan Acad Agr Sci, Plant Protect Inst, Changsha 410125, Hunan, Peoples R China

3.Guiyang Univ, Sch Biol & Environm Engn, Guiyang 550005, Guizhou, Peoples R China

4.Hort Res Inst Tonghua City, Tonghua 134001, Peoples R China

5.Extens Ctr Ningxiang Agr Technol, Changsha 410600, Hunan, Peoples R China

关键词： Sogatella furcifera;light trap catch;ovary development;migration source

期刊名称：ENVIRONMENTAL ENTOMOLOGY （ 影响因子：2.377； 五年影响因子：2.298 ）

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收录情况： SCI

摘要： The Sogatella furcifera (Horvath) is a notorious and destructive insect pest, targeting > 4 million hectares of rice cultivated in the Hunan Province. To understand the immigration dynamics, we collected S. furcifera light trap catches from 2006 to 2012 at Niangxiang, Linxiang, and Hanshou. We conducted a migration analysis to estimate the immigration source for the northeastern Hunan Province in June. Moreover, we dissected the ovaries of S. furcifera to classify population characteristics. We found that the first appearance of S. furcifera occurred from late April to early May, with June as the primary time for migrations into the northeastern Hunan Province. The majority of June ovaries caught in light traps were Grade I and Grade II, whereas those collected in paddy fields were Grade III and Grade IV, suggesting that the majority of S. furcifera immigrated into the northeastern Hunan Province. Our analysis points toward the northern and central Indo China Peninsula, the southern Hunan Province, the Guangxi Zhuang Autonomous Region Province, the Guangdong Province, and the Hainan Province as possible immigration sources of S. furcifera in June for the northeastern Hunan Province. We propose terrain, loss of forward flow, and wind shear as causes for the difference observed in light trap catches between Ningxiang, Linxiang, and Hanshou monitoring stations in the June of 2009. Thus, our results suggest that monitoring and forecasting of S. furcifera should be done with particular emphasis in June.

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