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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
Korean Journal of Applied Entomology Vol.45 No.2 pp.173-177
DOI :

시설가지에서 칠레이리응애를 이용한 점박이응애 밀도억제 효과

초록

Biological control of Tetranychus urticae by Phytoseiulus persimilis in eggplant greenhouse houses

문형철, 임주락, 김주, 류정, 고복래, 김대향, 황창연

Abstract

  Biological control of Tetranychus urticae by Phytoseiulus persimilis was observed in eggplant greenhouse for spring and autumn season culture. Tetranychus urticae was controlled to low density of less than 1 mite from June 24 after P. persimilis were released 3 times at rate of 10 per plant on June 1, 11, and 18, 2004 in spring season experiment. The population of Tetranychus urticae was also less than 1 mite per eggplant leaf from September 1 to October 22 after three times releases of 10 P. persimilis in autumn season experiment. In Phytoseiulus persimilis released plot, the percentage of leaves with T. urticae adults and nymphs were 8.6~13.3% and 5% or less in spring and autumn season experiment. The density of T. urticae was from 1 to 2 on leaves with T. urticae adults and nymphs.

Reference