殺虫剤無散布ジャガイモ圃場でのアブラムシ類および捕食性天敵類の発生とイモの収量

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概要

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• The effectiveness of insecticide-free cultivation for controlling the direct sucking damage of aphids in the potato field was investigated for five years under field conditions in Hokkaido, Japan. In the field plot without insecticide application, indigenous predators, such as ladybirds, minute pirate bugs, lace wings and syrphid flies, were observed and there were no outbreaks of Aphis gossypii (or other aphid species); i.e., the density of A. gossypii did not exceed 10 insects per compound leaf. Furthermore, there were no other harmful insect pests. As a result, both the tuber yield and starch value were comparable to those in the insecticide-treated plot. There were no differences in these findings by year, region, or potato cultivar.

著者

• 伊藤 清光

  農研機構北海道農業研究センター

• 古川 勝弘

  北海道立北見農業試験場

関連論文

• 殺虫剤削減による土着天敵の働きを活かした北海道でのジャガイモのアブラムシ類防除
• 殺虫剤無散布ジャガイモ圃場でのアブラムシ類および捕食性天敵類の発生とイモの収量
• G316 ジャガイモのアブラムシは防除が必要か? : 5年間の調査結果(毒物学・虫剤作用機構・抵抗性 防除法 害虫管理 IPM)

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