A Survey for Plant-Parasitic Nematodes Associated with Ginseng (Panax ginseng C.A. Meyer)

  • Chung, Ki-Chae (Poongki Ginseng Experiment Station, Gyongbuk Provincial ATA) ;
  • Park, So-Deuk (Seongju Fruit-Vegetable Experiment Station, Gyongbuk Provincial ATA) ;
  • Khan, Zakaullah (Seongju Fruit-Vegetable Experiment Station, Gyongbuk Provincial ATA) ;
  • Kim, Bok-Jin (Department of Agriculture, Youngnam University)
  • Published : 2004.11.01

Abstract

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.

Keywords

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