A migration analysis for rice planthoppers, Sogatella furcifera (Horvath) and Nilaparvata lugens (Stal) (Homoptera: Delphacidae), emigrating from northern Vietnam from April to May
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概要
- 論文の詳細を見る
Rice planthoppers are long-distance migratory insects. The East Asian population is believed to migrate from northern Vietnam to southern China in the spring. To understand its major migration paths, a migration analysis was conducted with catch data by a single light trap located in the Red River delta in northern Vietnam. The catch data showed large peaks in late April to early May, each of which was used as a starting point of a simulation. Destination regions of simulated migrations were found to be distributed over southern Chinese provinces: Guangxi, southern Hunan, Jiangxi, northern Guangdong and northwestern Fujian. The region formed a diagonal belt stretching in the northeast direction. According to Chinese data, many planthoppers were caught in light traps along the diagonal belt region, supporting the simulation results. The planthoppers that arrive on rice plants of the early crop can multiply by one or two generations before their next emigration.
- 日本応用動物昆虫学会の論文
- 2008-11-25
著者
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Otuka Akira
National Agricultural Research Center
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Watanabe Tomonari
National Agricultural Research Center
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Matsumura Masaya
National Agricultural Res. Center For Kyushu Okinawa Region
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Dinh Thanh
Plant Protection Research Institute
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Watanabe Tomonari
National Agricultural Res. Center
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Watanabe Tomonari
National Agricultural Research Center (narc)
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Otuka Akira
National Agricultural Res. Center For Kyushu Okinawa Region Kumamoto Jpn
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