Control of Thrips palmi KARNY (Thysanoptera: Thripidae) by Orius spp. (Heteroptera: Anthocoridae) on Greenhouse Eggplant

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概要

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• The control effect of anthocorid predators, Orius spp., against Thrips palmi KARNY on greenhouse eggplant was evaluated by releasing various numbers of predator nymphs and then examining the population fluctuations of the prey and the predators. When two, three and five last instar nymphs of the predators were released per plant, the total density of Orius spp. adults and nymphs reached 0.1, and the T. palmi density decreased to 0.6 per leaf several weeks after the release (regardless of the number of predators released). Both populations fluctuated around that density afterwards. I concluded that Orius spp. could successfully control the population of T. palmi for a long period. In such successful control, the percentage of injured fruits is estimated to be 10%, but it appears that it would be impossible to further lower the T. palmi density by increasing predator density.

• 日本応用動物昆虫学会の論文
• 1995-02-25

著者

• Kawai Akira

  Kurume Branch National Research Institute Of Vegetables Ornamental Plants And Tea:department Of Tea

• Kawai Akira

  Kurume Branch National Research Institute Of Vegetables Ornamental Plants And Tea

関連論文

• Movement of the Sterilized Melon Fly from Kume Is. to Adjacent Islets
• Movement of Sterilized Melon Fly from Kume Is. to the Amami Islands
• Studies on Population Ecology of Thrips palmi KARNY 18. Evaluation of Effectiveness of Control Methods of Thrips on Eggplant and Sweet Pepper Using a Simulation Model
• Studies on Population Ecology of Thrips palmi KARNY : XV. Evaluation of Effectiveness of Control Methods Using a Simulation Model
• Control of Thrips palmi KARNY (Thysanoptera: Thripidae) by Orius spp. (Heteroptera: Anthocoridae) on Greenhouse Eggplant

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