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Biological Control of Garlic White Rot Accused by Sclereotium cepivorum and Sclereotium sp. Using Bacillus subtilis 122 and Trichoderma harzianum 23

Bacillus subtilis 122와 Trichoderma harzianum 23에 의한 마늘 흑색썩음균핵병의 생물적 방제

  • Lee Sang-Yeob (Division of Plant Pathology, National Institute of Agricultural Science and Technology, Rural Development Administration) ;
  • Lee Sang-Bum (Research Policy Planning Division, Research Management Bureau, Rural Development Administration) ;
  • Kim Yong-Ki (Division of Plant Pathology, National Institute of Agricultural Science and Technology, Rural Development Administration) ;
  • Hwang Soon-Jin (Green Biotech)
  • 이상엽 (농촌진흥청 농업과학기술원 식물병리과) ;
  • 이상범 (농촌진흥청 연구개발국 연구정책과) ;
  • 김용기 (농촌진흥청 농업과학기술원 식물병리과) ;
  • 황순진 ((주)그린바이오텍)
  • Published : 2006.08.01

Abstract

Trichoderma harzianum 23 WP and Bacillus subtilis 122 WP were formulated as antagonists of Sclerotium cepivorum and Sclerotium sp. of garlic white rot. In the field test, applications of Trichoderma harzianum WP and Bacillus subtilis WP reduced garlic white rot by Sclerotium cepivrum from 10.9% in the control to 4.1% and 6.2%, respectively at Taean. Also at Seosan, applications of Trichoderma harzianum 23 WP and Bacillus subtilis 122 WP reduced garlic white rot by Sclerotium sp. from 17.8% in the control to 1.2% and 2.6%, respectively. Treatment of Trichoderma harzianum 23 WP and Bacillus subtilis 122 WP increased garlic yield in two area. Therefore, Trichoderma harzianum 23 WP and Bacillus subtilis 122 WP have shown potential as biofungicides of garlic white rot in the two different pathogens.

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