Bacillus subtilis QST713(BS QST713)의 단독, 살균제와 혼합 및 교호처리하여 인삼 점무늬병의 방제효과를 검정하였다. BS QST713를 10일 간격으로 단독으로 처리했을 때, 인삼 점무늬병에 대한 방제가는 83.3%, azoxystrobin, chlorothalonil copper sulfate basic, copper sulfate basic, kresoxim-methyl, difenoconazole, mancozeb 단독 처리구는 $80.4{\sim}83.7%$로 나타났다. BS QST713와 mancozeb를 혼합하여 14일 간격으로 처리하였을 때의 방제가는 83.6%, BS QST713와 azoxystrobin 혼합 처리구는 82.6%이었으나, difenoconazole, kresoxim-methyl, copper sulfate basic 및 chlorothalonil copper sulfate basic와 혼합 처리구는 $61.1{\sim}76.4%$로 방제효과가 약간 감소하였다. 대전에서 BS QST713와 copper sulfate basic를 10일 간격으로 교호처리시 방제가가 85.9%이었으나, 다른 살균제와의 교호처리 시는 $55.5{\sim}78.2%$로 낮아 졌다. 그러나 무주에서 모든 교호처리에서 방제가가 90% 이상으로 나타났다. 이상의 결과에 의하면 BS QST713의 단독, 혼합 및 교호처리는 살균제의 사용량을 줄일 수 있는 방제법으로 이용될 것이다. The single application of Bacillus subtilis QST713(BS QST713) mixed application with fungicides and alternate application were treated to examine the control of alternaria leaf blight of Panax ginseng. Control value of alternaria leaf blight by single application of BS QST713 at 10 days interval was 83.3%, and those of single application at 10 days interval was $80.4{\sim}83.7%$ by azoxystrobin, chlorothalonil copper sulfate basic, copper sulfate basic, kresoxim-methyl, difenoconazole, mancozeb. When mixture of BS QST713 and fungicides were applied at 14 days interval, the control value of alternaria leaf blight were 83.6% by BS QST713 and mancozeb, and 82.6% by BS QST713 and azoxystrobin. However, mixture of BS QST713 with difenoconazole, kresoxim-methyl, copper sulfate basic and chlorothalonil copper sulfate basic exhibited the disease control values from 61.1% to 76.4%, which showed slightly lower control efficacy. In Daejeon, the alternate application of BS QST713 followed by copper sulfate basic with 14 days interval was 85.9% in control value, which showed the best control efficacy. The alternate application with other tested fungicides slightly decreased to $55.5{\sim}78.2%$ in control value. However, the alternate application of BS QST713 followed by fungicides showed very high control efficacy, which were approximately 90% in Muju, Jeonbuk Province. Consequently, the single, mixed or alternate application of BS QST713 and fungicides could be recommended as a control method to reduce the amount of fungicides.

#	Concept	H-Index	Publications	Citations
1	Engineering	1	1	13
2	Microbiology	1	1	13
3	Bioorganic Chemistry	1	1	13
4	Biotechnology	1	1	13
5	Environmental Microbiology	1	1	13

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