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KMID : 1098420040120050355
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Korean Journal of Medicinal Crop Science
2004 Volume.12 No. 5 p.355 ~ p.359
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A Survey for Plant-Parasitic Nematodes Associated with Ginseng (Panax ginseng C.A. Meyer)
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Chung Ki-Chae
Khan Zakaullah
Kim Bok-Jin
Park So-Deuk
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Abstract
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A survey was conducted during April{sim}May 2004 to determine the occurrence and population density of plant-parasitic nematodes in ginseng (Panax ginseng C.A. Meyer) growing fields, in major ginseng growing regions of Chungbuk, Chungnam, Gyeongbuk and Kyongki provinces. The survey revealed presence of eleven species of plant-parasitic nematodes namely, Criconemoides morgensis, Ditylenchus destructor, Helicotylenchus dihystera, Meloidogyne incognita, M. hapla, Paratylencgus lepidus, Pratylenchus penetrans, Psilenchus hilarulus, Trichodorus similis, Tylenchorhynchus claytoni and Xiphinema americanum. Frequency and density of each species were highly variable. M. incognita and M. hapla were the predominant species, their infestation observed in 46.3 and 39.4% fields with an average density of 78{sim}254;and;76{sim}211 nematodes per 300;cm^3 soil, respectively. Whereas, T. similis and X. americanum were rarely observed; only in 2.3 and 1.8% of surveyed fields and their density was 10{sim}17;and;7{sim}10 individuals per 300;cm^3 soil, respectively. They are recorded herewith for the first time from ginseng fields of Korea. In nematode-infestated fields, stunted plant growth with chlorotic leaves, and wilted plants were observed in patches.
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KEYWORD
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Panax ginseng, Korea, plant-parasitic nematodes, survey
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