Variations in Growth and Pathogenicity of Beauveria bassiana and Paecilomyces fumosoroseus Pathogenic to the Pine Gall Midge, Thecodiplosis japonensis

솔잎혹파리의 병원성 진균 Beauveria bassiana 및 Paecilomyces fumosoroseus의 온도별 병원성과 생장 변화

  • 이인기 (서울대학교 농업생명과학대학 응용생물화학부) ;
  • 심희진 (서울대학교 농업생명과학대학 응용생물화학부) ;
  • 우수동 (서울대학교 농업생명과학대학 응용생물화학부) ;
  • 제연호 (서울대학교 농업생명과학대학 응용생물화학부) ;
  • 양자문 (서울대학교 농업생명과학대학 응용생물화학부) ;
  • 강석권 (서울대학교 농업생명과학대학 응용생물화학부)
  • Published : 1999.10.01

Abstract

Thecodiplosis japonensis is an important insect pest in pine trees and hard to be controlled by chemical pesticides due to its characteristic life cycle. Experiments were conducted to determine the pathogenicity and growth temperature of several entomopathogenic fungi as potential microbial insectcides for T. japonensis. Beauveria bassiana SFB-SC and Paecilomyces fumosoroseus SFP-198 were highly pathogenic against T. japonensis. B. bassiana SFB-SC had also pathogenicity against a beneficial insect Bombyx mori. Growth rate and pathogenicity of P. funmosoroseus SFP-198 under 15$^{\circ}C$ was higher than those of B. bassians SFB-SC. These results indicated that P. fumosoroseus SFP-198 is a potential microbial control candidate for control of T. japonensis.

Keywords

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