Seasonal occurrence of insect pests on greenhouse leaf vegetables and control of the pests by netting house-side slit and using solar radiation

  • Shibao Manabu
    Agricultural, Food and Environmental Sciences Research Center of Osaka Prefecture
  • Sada Sachiko
    Agricultural Extension Center of Senshu Office for Agriculture - Forestry Promotion and Nature Conservation
  • Kosaka Yoshinori
    Agricultural Extension Center of Senshu Office for Agriculture - Forestry Promotion and Nature Conservation
  • Tanaka Hiroshi
    Agricultural, Food and Environmental Sciences Research Center of Osaka Prefecture

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Other Title
  • ハウス栽培のコマツナとシュンギクにおける各種害虫の発生消長およびネット被覆と太陽熱利用による防除
  • ハウス サイバイ ノ コマツナ ト シュンギク ニ オケル カクシュ ガイチュウ ノ ハッセイ ショウチョウ オヨビ ネット ヒフク ト タイヨウ ネツ リヨウ ニ ヨル ボウジョ

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Abstract

Seasonal occurrence of insects pests was investigated on leaf vegetables, ‘komatsuna’ (crucifer) and ‘shungiku’ (garland chrysanthemum) in greenhouses in 2003. Damage to ‘komatsuna’ caused by leafminer flies, striped flea beetle, moths and slugs was detected in May, in August-September, in April-June, August and November and in April-May, respectively. Damage to ‘shungiku’ caused by leafminer flies, thrips, moths and slugs was detected in April-May, in June-July, in June-July and November and in April-May, respectively. Covering house-side slit with silver 1mm mesh size net and using solar radiation by covering grand with transparent polyvinyl chloride were useful for reducing the damage of leafminer flies and large size moths on ‘komatsuna’ and the damage of leafminer flies, thrips and large size moths on ‘shungiku’

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