Synergism of the spore on insecticidal activity of δ-endotoxin of Bacillus thuringiensis against the diamondback moth, Plutella xylostella (Lepidoptera: Yponomeutidae) is not observed at late stage in bioassay
スポンサーリンク
概要
- 論文の詳細を見る
Synergism of spores from several Bacillus thuringiensis serovars and the δ-endotoxin of B. thuringiensis serovar kurstaki HD-1 and HD-73 were evaluated using two bioassay systems (artificial diet and leaf dip) against larvae of Plutella xylostella. The magnitude of the synergistic effect of the live spores from B. thuringiensis serovar japonensis strain Buibui with the δ-endotoxin of B. thuringiensis serovar kurstaki HD-1 was 120 times higher two days after feeding on the artificial diet. However, by 7 days after the treatment, the synergistic effect was lost.Thus, the synergism of live spores with the δ-endotoxin was only observed very early in the treatment. The live spores from kurstaki HD-1 or strain Buibui exhibited a 35% reduction in the killing time of P. xylostella when they were combined with the δ-endotoxin from kurstaki HD-1 or HD-73. No effects were observed when dead spores killed by gamma-radiation were combined with the δ-endotoxin. These results clearly indicated that live spores were necessary to express the synergistic effects on diamondback moth larvae.
- 日本応用動物昆虫学会の論文
- 2000-11-25
著者
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Hori Hidetaka
Graduate School of Science and Technology, Niigata University
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Hori H
Graduate School Of Sci. And Technol. Niigata Univ.
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Hori Hidetaka
Laboratories Of Molecular Life Science Graduate School Of Science And Technology Niigata University
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Hori Hidetaka
Laboratories Of Molecular Life Sciences Graduate School Of Natural Science And Technology Niigata Un
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Hori Hidetaka
Graduate School Of Natural Science And Technology Niigata University
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Suzuki Nobuhiko
Department of Applied Biological Sciences, Faculty of Agriculture, Saga University
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Indrasith L
Advanced Technology Laboratory Kubota Corp.
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Asano Shoji
Biopesticide Laboratory And The Advanced Technology Institute Kubota Corporation
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Asano Shoji
Advanced Technology Laboratory Kubota Corp.
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Takahashi M
Kubota Corp Ibaraki Jpn
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SUZUKI Nobukazu
Advanced Technology Laboratory, Kubota Corporation
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Suzuki N
Department Of Applied Biological Sciences Faculty Of Agriculture Saga University
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Suzuki N
Kobe Univ. Kobe Jpn
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Ogiwara Katsutoshi
Advanced Technology Laboratory, Kubota Corporation
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Indrasith Leslie
Advanced Technology Laboratory, Kubota Corporation
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Takahashi Makoto
Advanced Technology Laboratory, Kubota Corporation
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Ogiwara K
Advanced Technology Laboratory Kubota Corp.
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Suzuki Nobuhiko
Department Of Biology Faculty Of Science Kobe University
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Hori Hidetaka
Laboratories Of Plant And Mircobial Genome Control Graduate School Of Science And Technology Niigata
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Ogiwara Katsutoshi
Advanced Technology Laboratory, Kubota Corp.
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Indrasith Leslie
Advanced Technology Laboratory, Kubota Corp.
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