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인삼근부 병원균 , Fusarium solani 및 Cylindrocarpon destructans 에 길항적인 Streptomyces species 의 분류동정
이민웅,심재욱 한국균학회 1991 韓國菌學會誌 Vol.19 No.1
Among I10 isolates of actinomycetes isolated from ginseng pathogen-suppressive soils, the three actinomycetes showing the effective controls to Fusarium solani or Cylindrocarpon destructans causing ginseng root rots were identified according to their morphological, cultural and physiological characteristics on various culture media. Spore chains of K 6-2, S 2-1 and Y 2-2 were Spira (S), Retinaculum-apertum (RA) and Rectus-flexibilis (RF), respectively. Spore surfaces of K 6-2 were spiny, whereas S 2-1 and Y 2-2 were all smooth. Aerial mass colors of 3 isolates were gray series. As a result of various tests, they were identified as Streptomyces variabilis, Streptomyces virginiae and Streptomyces griseolus, respectively.
李敏雄,申鉉成,沈在郁 동국대학교 1985 論文集 Vol.24 No.-
4 roots of 2 year old ginseng were planted in a small pot trateing with fungal pathogens, Fusarium solani, nematodes isolated from the ginseng (Panax ginseng C.A. Meyer) cultured soil and the two mixed inoculum respectively. Rate of infestation and nematodes distributed around the harvested host plant after 40 days was investigated. To obtained results were as follows: Each group was treated with F. solani, nematodes and mixed inoculum showed higher disease index by infestation from 3.3 to 3.8 while control group was healthy showing lower disease index of 1.2. The nematodes identified were 4 genera in control group and F. Solani inoculated group. 11 genera of nematodes including Xiphinema spp were distributed in the nematodes inoculated pot, and their numbers were higher in the population. Especially Radophalus spp, Tylenchulus spp, Meloidogyne spp, Xiphinema spp and Ditylenchus spp were numerous in their population density, but Belonolimus spp and Hemicyciophora spp were lower. Fourteen genera of nematodes were distributed in the mixed inoculation pot than only the nematodes treated group. and also the population was higher in the mixed inoculation group. The more populated genera is number were Ditylenchus spp, Paratylenchus spp, Paratylenchus spp. Hemicycliophora spp, Meloidogyne spp, Helicotylenchus spp and Tylenchorhynchus spp, but Hirschmanniella spp was less in the population density.