Microbial Control of the Diamondback Moth, Plutella xylostella, by an Entomopathogenic Fungus, Beauveria bassiana. II. Effects of Temperature on Mycoses and Conidial Invasion Time.
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- Masuda Toshio
- Miyagi Prefecture Horticultural Experiment Station
Bibliographic Information
- Other Title
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- 昆虫病原糸状菌Beauveria bassianaによるコナガの微生物的防除 II. 発病に及ぼす温度の影響と体内への侵入時間
- 昆虫病原糸状菌Beauveria bassianaによるコナガの微生物的防除(2)発病に及ぼす温度の影響と体内への侵入時間
- コンチュウ ビョウゲン シジョウキン Beauveria bassiana ニ ヨル コナガ ノ ビセイブツテキ ボウジョ 2 ハツビョウ ニ オヨボス オンド ノ エイキョウ ト タイナイ エ ノ シンニュウ ジカン
- II. Effects of Temperature on Mycoses and Conidial Invasion Time
- II.発病に及ぼす温度の影響と体内への侵入時間
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Abstract
In order to use an entomopathogenic fungus, Beauveria bassiana, as a microbial control agent for the diamondback moth, Plutella xylostella, the mortality patterns at various temperatures and the conidial invasion time after inoculation were investigated. When larvae were inoculated with a suspension of the B. bassiana strain MG-Bb-1 (1×107 conidia/ml), mortalities of >95% were obtained regardless of the incubation temperature. However, the longevities of infected larvae were prolonged as temperature decreased. The mean longevity±S.D. were 2.1±0.2, 2.0±0.2, 2.0±0.2, 2.8±0.4, 3.9±0.4, 5.1±0.6, 9.9±1.0, and 13.9±1.6 days at 30, 27, 25, 20, 18, 15, 11 and 7°C, respectively. The mortality patterns in larvae exposed to cycles of 25°C (12 h) and 15°C (12 h) was very similar to that in larvae reared at a constant temperature of 20°C. These results indicate that the speed of killing depends on a thermal constant. The conidial invasion into the host began approximately 7 h post-inoculation and was completed in 15 h.
Journal
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- Japanese Journal of Applied Entomology and Zoology
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Japanese Journal of Applied Entomology and Zoology 44 (3), 177-182, 2000
JAPANESE SOCIETY OF APPLIED ENTOMOLOGY AND ZOOLOGY
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Keywords
Details 詳細情報について
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- CRID
- 1390282681426629248
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- NII Article ID
- 110001124589
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- NII Book ID
- AN00186121
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- ISSN
- 13476068
- 00214914
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- NDL BIB ID
- 5454821
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed