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온실에서 동양란인 심비디움 재배에 공생균의 효과에 관한 연구
이상선,이준기,이정우,박소영,백기엽 충북대학교 첨단원예기술개발연구센터 2000 연구보고서 Vol.5 No.-
The orchid symbiotic fungus (Tulsanella repens P-01; OSF) was cultured on the soil materials by solid culture and inoculated in the two varieties of GwanUm and SaGae of Cymbidium hybrids with the barks. The two varieties of the oriental orchid were measured after 12 months' cultivation under the conditions of greenhouse; fresh weight, numbers of bulb, and rate of dead bulb for an individual plant. The fresh weight of plants were measured to be different for the individual plant. The fresh weight of plants were measured to be different for the individual plants treated with the OSF or not, depending on the varieties, but the rates of dead bulb were significant, disregarding with the varieties. The roots of the plants treated were observed to be more health and heavier weight than those not treated. The bulbs of the plants not treated were measured to be dead at the rate of 20% for a year's cultivation. The roots of two varieties were also observed by naked eyes and by microscope; Several peletons were observed to be in the root cells in the individual plants treated with OSF, but not in the individual plants treated without the OSF. Further, the pathogenic fungal hyphae were observed to be in the roots under the dead bulbs of both varieties not treated; appessorium or hasutorium on the epidermal cells of root. The inoculation of OSF was speculated to stimulate the growth of plants by absorption of mineral nutrition and defense the invasions of soil pathogenic fungi for the cultivations of Cymbidium hybrids.
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