Virulence of long-term laboratory populations of the brown planthopper, Nilaparvata lugens (Stal), and whitebacked planthopper, Sogatella furcifera (Horvath) (Homoptera: Delphacidae), on rice differential varieties
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概要
- 論文の詳細を見る
The virulence of laboratory strains of the brown planthopper (BPH), Nilaparvata lugens (Stal), and the whitebacked planthopper (WBPH), Sogatella furcifera (Horvath), collected in Japan between 1966 and 2005, was evaluated using rice differential varieties carrying different planthopper resistance genes. The BPH strain collected in 1966 was avirulent to all the rice varieties tested. In contrast, the 1989, 1999 and 2005 strains were virulent to Mudgo, which carries Bphl. The 1999 and 2005 strains were virulent to ASD7 (bph2). Thus, the virulence status of the laboratory BPH strains was the same as in previous reports. The 1989, 1999, and 2005 WBPH strains were virulent to N22 (Wbph1), Mudgo, ASD7, Babawee (bph4) and Chin Saba (bph8); the 1999 and 2005 WBPH strains were also virulent to ARC10239 (Wbph2). Although the virulence status of WBPH in Japan has not previously been studied, the present results suggest that the effectiveness of the Wbph1 resistance gene broke down before 1989, while that of Wbph2 broke down between 1989 and 1999. The present study showed that long-term mass rearing in the laboratory has not affected virulence status. Thus, these strains will be useful to analyze resistance genes against BPH and WBPH.
- 日本応用動物昆虫学会の論文
- 2009-02-25
著者
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Yasui Hideshi
Plant Breeding Laboratory Faculty Of Agriculture Graduate School Kyushu University
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Matsumura Masaya
Research Team For Insect Pest And Nematode Management National Agricultural Research Center For Kyus
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Yasui Hideshi
Plant Breeding Lab. Fac. Of Agriculture Graduate School Kyushu Univ.
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Myint Khin
Institute Of Biological Control Faculty Of Agriculture Graduate School Kyushu University
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TAKAGI Masami
Institute of Biological Control, Faculty of Agriculture, Graduate School, Kyushu University
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Takagi Masami
Institute Of Biological Control Faculty Of Agriculture Graduate School Kyushu University
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Matsumura Masaya
Research Team For Insect Pest And Nematode Management National Agricultural Research Center For Kyus
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Matsumura Masaya
Research Team for Insect and Nematode Management, National Agricultural Research Center for Kyushu Okinawa Region
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