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Penicillium corylophilum 에 의한 큰느타리버섯 (Pleurotus eryngii) 푸른곰팡이병의 발생
최부술,조우식,류영현,김승한,윤재탁 한국균학회 1999 韓國菌學會誌 Vol.27 No.6
Bluish green mold of Pleurotus eryngii caused by Penicillium was observed in Seungju on Feburary 4, 1999. The causal fungus was identified as Penicillium corylophilum based on its cultural and morphplogical characteristics. Conidiophores one-stage branched, terminating in a whorl of 2∼4 metulae. Metulae mostly 10∼18×2.5∼3.0 ㎛. Phialides flask-shaped, 9∼13×2.2∼2.8 ㎛. Conidia subglobose, 2.5∼3.2×2.5∼3.0 ㎛. Colonies on Czapek agar mostly attaining a diameter of 21 ㎜ within 7 days at 25℃. Colour blue-green soon becoming grey-green. Pathogenicity test by wound inoculation revealed that Penicillium corylophilum caused the same symptoms as observed in the field at 6∼7 days after inoculation.
아연광산 인근 토양중의 중금속 함량이 콩의 생육 및 중금속 흡수에 미치는 영향
최부술,김복진,박노권,박선도,이종팔 한국환경농학회 1996 한국환경농학회지 Vol.15 No.3
중금속으로 오염된 토양에 콩을 재배하였을 때 토양 중 중금속함량이 콩의 생육 및 중금속흡수에 미치는 영향을 요약하면 다음과 같다. 1. 중금속 오염지역의 콩 생육은 현저히 불량하였고, 토양 중 중금속함량도 월등히 많았다. 2. 중금속 오염지역내에 재배되고 있는 작물별 잎중의 Zn, Cu, Pb, Cd, As 등 중금속함량은 콩에서 가장 많았고 다음은 옥수수, 벼 순이었다. 3. 콩의 부위별 중금속함량은 Pb외에 줄기보다 잎에서 많았으며, 원소별로는 Zn > As > Cd > Cu > Pb 순이었다 4. 콩 생육과 토양 중 Zn, Cu, Pb, Cd, As함량과는 유의한 부의 상관이 인정되었다. 5. 토양 중 Zn, Cu, Pb, Cd, As함량과 콩잎의 Zn, Cd, As함량과 콩줄기의 Pb, Cd, As함량과는 고도의 유의성이 있는 것으로 보아 중금속 오염지에서는 식물체에 흡수 축적되는 것으로 생각되었다. When soybean was cultivated in the polluted soil with heavy metals, the content of these heavy metals affected. The results were summarized as follows. 1. The growth of soybean was remarkably poor and the content of heavy metals in polluted soil were higher than in unpolluted soil. 2. In leaves of all surveyed crops, the content of Zn, Cu, Pb, Cd and As was higher in soybean, followed by corn and rice. 3. Except for Pb, the content of heavy metals in the leaves of soybean was higher than in the stem of soybean, and the components of heavy metals in each part of soybean were shown in order of Zn > As > Cd > Cu > Pb. 4. The relationship between the content of Zn, Cu, Pb, Cd, As and the growth of soybean was negatively correlated, respectively. 5. A higher correlation seemed to exist among the content of Zn, Cu, Pb, Cd, As in soil, of Zn, Cu and As in soybean leaves, and of Pb, Cd and As in stems of soybean. The results indicated that heavy metals were absorbed and accumulated by plants grown in the polluted area.
李承弼,金相國,崔富述,李相哲,金吉雄 韓國作物學會 1995 한국작물학회지 Vol.40 No.5
야생더덕과 재배더덕의 재배장소에 따른 생육특성, 품질 및 향기성분을 비교분석한 결과를 요약하면 다음과 같다. 1. 자생지의 기상환경은 재배지에 비해 기온이 4∼8 낮고 지온도 3 낮았으며 조도량은 재배지의 1.7% 정도였다. 2. 자생지 토양의 환경조건은 재배지 토양에 비하여 pH는 낮았으나 유기물함량은 3배 이상 높았다. 3. 야생더덕과 재배더덕의 염색체 수는 2n =16으로 같았고 자방수도 3개로 동일하였으나, 종자수는 재배더덕이 62개, 야생더덕이 132개로 야생더덕 이 2배 정도 많았다. 4. 야생더덕과 재배더덕의 생육은 재배지보다 자생지에서 저조하였으나 야생더덕은 재배지에서도 재배더덕에 비해 현저하게 떨어졌다. 5. 재배장소에 따른 더덕의 방향성분의 extract수율은 야생더덕은 재배지보다 자생지에서 높았으나 재배더덕은 재배장소에 따른 변화의 차이를 보이지 않았고 extract수율도 50% 정도 낮았다. 6. 재배지에 따른 주요 무기성분함량은 자생지보다 재배지에서 많았으며 야생더덕보다 재배더덕에서 많았다 7. 더덕의 재배장소에 따른 주요 방향성분의 변화는 dimethylbenzene, 3-ethyl-5-2- ( ethylbutyl ) -octadecane, benzaldehyde, 14, 14-dimethyl -hexadecanoate, methylhexadecenoate등이 재배더덕에서는 없는 향기성분이 야생더덕에서 검출되었으며 더덕의 향을 내는 성분은 단일성분이 작용하기 보다는 peak면적이 높게 나타난 성분들이 복합적으로 작용하여 향기를 내는 것으로 판단되었다. Growth characteristics and aromatic constituents of wild and domesticated Codonopsis lanceolata grown in different regions were investigated to find the best cultural condition for quality improvement. The results were as followings: Air temperature of wild region was lower to 4~8 and soil temperature was also lower to 3 compared with domesticated region. Soil of wild region had about three times richer organic matter with lower pH. Chromosome number of wild and domestcated species was 2n=16, ovary number was 3, but seed number of wild species was 132 vs domesticated showing 62. Recovery yield of wild species grown wild region had 0.55%, besides that, the wild species grown in domesticated region had 0.34. But the domesticated species in wild and domesticated regions was the same as 0.28. Inorganic element contents of domesticated region showed much higher than that of wild region. Major aromatic constituents were specified in wild Codonopsis lanceolata as dimethyl benzene, 3-ethyl-5-2-(ethylbutyl)-octadecane, benzaldehyde, 14, 14-dimethyl-hexadecanoate, methylhexadecenoate of which was not detected in domesticated species.
Incidence, and Identification of Three Root-Knot Nematode species Occurring in the Medicinal Herbs
박소득,김재철,최부술,김탁,Park, So-Deuk,Kahn, Zakaullah,Kim, Jae-Cheol,Choi, Boo-Sull,Kim, Tak The Korean Society of Plant Pathology 1998 Plant Pathology Journal Vol.14 No.6
Soil and root samples were collected form the rhizoshpere of 11 different medicinal plants to determine the incidence, density and identification of root-knot nematode species associated with medicinal herbs. About 55% of medicinal herbs examined was found to be infested with root-knot nematodes. As a result of infection casued by three root-knot nematodes, M. hapla recorded 43.3% in medicinal herba whereas M. incognita and M. arenaria showed 7.9% and 3.7%, repectively. Forsythia koreana, Hemerocalis fulva, Hibuscus mutabilis and Petasites japonicus were the most severely infested herbs whereas Acanthopanax sessilflorus was least infested. Population of the second stage younger plants. Meloidogyne hapla, M. incognita and M. arenaria were the species associated with the medicinal herbs. The most abundant nematode observed in medicinal herbs was M. hapla and followed by M. incognita and M. arenaria. M. arenaria was observed firstly on Ficus carica, one of medicinal plant.
박소득,박선도,최부술,최영연 한국응용곤충학회 1994 한국응용곤충학회지 Vol.33 No.3
경북의성 약용작물재배지에서 뿌리혹선충에 대한 발생생태를 조사하기 위하여 시기별 발생소장과 토성에 따른 선충의 증식정도, 토양심도 다른 뿌리혹선충의 서식밀도를 1991년부터 1992년까지 2개년간 조사한 결과는다음과 같다. 뿌리혹선충(M.hapla)의 발생소장을 조사한 결과 유충발생 최성기는 4월초순, 6월중순, 7월하순, 8월하순 등 4회였다. 토성과 뿌리혹선충과의 관계를 보면 사토와 사양토에서 뿌리혹선충의 난관 유충이 가장 많았고 식토에서는 밀도가 낮았다. 토양심도별 M.hapla 유충밀도는 작약포장에서 토심 15cm까지가 1,064~1,486마리로 가장 높았으며 50cm이상에서도 검출되었다. An ecological skdy of the root-knot nematode, Meioidogyne hapio on medicinal herbs in Eui-sung area was pelformed seasonal occurrence of M hapla on Paeonia iactffiora showed four peaks In a year at the field: early Apnl. mid June, late July, late August. Soil characteristics affected nematode d~shibution and poplation Juvenlle population of the nematode was the highest in sandy and sandy loam sail. The number of the nematode lawae was 10G4-1486 per 300mi of sod wllhin 15cm from the sulfate at P. ioctitiora held. The ncrnatode was distributed even under 50cm.