Research in Plant Disease 2009;15(1):17-22.
Published online April 30, 2009.
살균제 감량을 위한 인삼 점무늬병 방제체계의 개발
리상국, 최재을
Development of a System for Controlling Ginseng Alternaria Leaf Blight (Alternaria panax) to Reduce Fungicide Application and Use
Xiang Guo Li, Jae Eul Choi
To reduce the amount of chemical fungicides and the number of spray for the control of Alternaria blight of ginseng, biofungicides were used in order to reduce the residue and ensure the safety of ginseng plants. The control efficiencies were 68.34%~73.56% against Alternaria blight in 2 times alternate spray of biofungicides and chemical fungicide at 14 days interval whereas the control efficiencies were 87.00%~89.42% in 2 times alternate spray of 3 different kinds of chemical fungicides at 14 days interval. In case of treatment combination the control efficiencies were 74.53%~87.23% in alternate spray of mixture of biofungicides and chemical fungicides at 28 days interval in all combinations except 2 kinds of combinations (Com-12 and Com-17). Therefore, the alternate application of the biofungicides and chemical fungicides or alternate application of mixture of biofungicides and chemical fungicides could reduce the amount of chemical fungicide about 75.00%~83.33%.
Key Words: Alternaria blight, Alternaria panax, Biofungicides, Ginseng, Reduced fungicide
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