書誌事項
- タイトル別名
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- A Bioassay for Toxicity of <i>Bacillus thuringiensis</i> Insecticide Using the Force-feeding Method Applied to the Silkworm, <i>Bombyx mori</i> L.
- カイコ オ モチイタ キョウセイ ケイコウ トウヨホウ ニヨル BTザイ ノ
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抄録
The purpose of this paper is to point out that the potency of Bacillus thuringiensis insecticide can be accurately evaluated by using the force-feeding method and that the toxicity depends on the ambient temperature. The insecticide, Bacilex®, prepared to achieve wide insecticidal spectrum and used in this experiments contained two varieties of Bacillus thuringiensis (var. aizawai and var. kurstaki). The force-feeding method which can be applied accurately with a micro applicator to 5th instar larvae of B. mori at the adequate dosage, enabled to evaluate quantitatively the potency of the insecticide and also, was more reliable and accurate than the poison diet method (method officially applied in Japan). Furthermore, mortality percentage increased gradually with the ambient temperature owing to the destruction of the mid-gut epithelium of B. mori caused by high temperature and/or long period of exposure. On the contrary, diet type or body weight of larvae did not affect the potency of the insecticide.
収録刊行物
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- 日本応用動物昆虫学会誌
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日本応用動物昆虫学会誌 23 (3), 141-150, 1979
日本応用動物昆虫学会
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詳細情報 詳細情報について
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- CRID
- 1390282681426655616
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- NII論文ID
- 110001113158
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- NII書誌ID
- AN00186121
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- ISSN
- 13476068
- 00214914
- http://id.crossref.org/issn/00214914
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- NDL書誌ID
- 2061120
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可