Comparison of the effectiveness of two methods for releasing Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) against Aphis gossypii Glover (Homoptera: Aphididae) on cucumbers in a greenhouse

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概要

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• The control of Aphis gossypii on cucumbers was evaluated by releasing egg mass sheets or flightless adults of Harmonia axyridis. In experiment one, 1, 5 and 10 egg mass sheets per plant in each greenhouse were released only one time. The density of aphids in the greenhouses receiving egg mass sheets of H. axyridis was lower than that without the sheets. Within 5 days after release, the greenhouses receiving 5 egg mass sheets and 10 egg mass sheets per plant showed reduction of aphid densities to less than 1% of that without the sheets. In experiment 2, five egg mass sheets and 5 flightless adults per plant were released in each greenhouse three times at about one week intervals. The density of aphids in greenhouses receiving flightless adults showed fluctuations to a lower level than in the greenhouses receiving egg mass sheets.

• 日本応用動物昆虫学会の論文
• 2003-05-25

著者

• MIURA Kazuki

  National Agricultural Research Center for Western Region

• Miura Kazuki

  National Agricultural Res. Center For Western Region

• KURODA Tsuyoshi

  Ehime Agricultural Experiment Station

関連論文

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• Functional response of the lady beetle Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) on the aphid Myzus persicae (Sulzer) (Homoptera: Aphididae)
• Effects of artificial selection for reduced flight ability on survival rate and fecundity of Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae)
• Estimation of number of annual generations using effective heat unit of development for the rice bug, Leptocorisa chinensis (Dallas)(Hemiptera : Alydidae)
• Parental genetic traits in offspring from inter-specific crosses between introduced and indigenous Diadegma Foerster (Hymenoptera: Ichneumonidae): Possible effects on conservation genetics
• Comparison of the effectiveness of two methods for releasing Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) against Aphis gossypii Glover (Homoptera: Aphididae) on cucumbers in a greenhouse

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