Pest species. Damages and Seasonal Occurrences on Greenhouse Cultivated Asparagus in Jeju, Korea

摘要

This study was carried out to investigate the pest species and their damage on Asparagus officinalis. Field surveys were conducted in asparagus greenhouse in Jeju, for four years from 2007 to 2010. Total of 16 pest species belonging to 5 orders were found as follows: IJirips tabaci, Thrips hawaiiensis, Adoxophyes honrmi, Spodoptera litura, Spodoptera exigm, Helicoverpa armigera, Mamestra brassicae, Ascotisselemria, Ectropis excellens, Geisha distinctissirm, Aphisgossypni, Myzuspersicae, Anormla albopilosa, Crioceris quatuordedmpunctata, Acusta despeaa sieboldiana and Deroceras reticulatum. Among them, T. tabaci frequendy occurred and damaged asparagus plants during the whole growing seasons. C. quatuordedmpunctata and snails caused severe damages onasparagus shoots in spring harvest season. In mid-late seasons, aphids and lepidopteran species occurred and attacked asparagus plants. Of the lepidopteran pests, S. litura, S exigua and H. armigera belonging to Noctuidae occurred moderately and fed onasparagus plants. And the pest control strategy in asparagus cultivation was discussed based on the present results.