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박소득,김세종,김재철,김기재,신종희,최부술 한국약용작물학회 1997 한국약용작물학회지 Vol.5 No.3
6월 하순부터 1개월 간격으로 작약의 잎과 줄기에 인위적 고사를 유도하여 지상부 고사가 뿌리의 발달, 수량, 상품성에 미치는 영향을 구명코자 시험한 결과는 다음과 같다. 1. 작약의 잎과 줄기를 고사시키는 주 병원균은 점무늬병균, 녹병균, 흰가루병균, 검은무늬병균, 탄저병균, 갈색점무늬병원균이었다. 2. 점무늬병과 흰가루병은 4월 하순에서 5월 중순경에 발병되었고, 녹병은 6월 상 순부터 발생되어 시일이 경과할수록 발생율이 증가하였다. 3. 작약 지상부의 고사는 5월 하순부터 시작되어 8월 하순경에는 50% 이상의 고사율을 보였다. 4. 수량은 정상주에 비해 6월 하순 및 7월 하순 고사가 31~35% 감수되었고, 8월 하순과 9월 하순 고사가 7~12%의 감수를 보였다. 5. 직경 10mm이상 상품성이 있는 뿌리수는 6월과 7월 고사가 8월이후 고사에 비해 적었고 주성분 Paeoniflorin 함량은 조기에 고사된 작약 뿌리 가 오히려 높았다. The pathogenic fungi associated with blight of leaf and stem in peony were leaf spot (Alternaria sp.), powdery mildew (Erysiphe aquilegiae) and rust (Cronartium flaccidum). The infection of leaf spot and powdery mildew begins from late April to midMay and rust was infected in early June. Blight time of aerial part in peony started from late May and the ratio of blight on leaf and stem was more than 50% in late Aug. Yields of root by the incidence time of blight of leaf and stem were 69.1% in late June, 65.4% in late July and 87.6~92.7% in August and September. The number of root of more than 10mm in root diameter blighted in late June and July was much lower than in August, but the paeoniflorin content in the former was much higher than the latter.
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,김기재,유오정,김세종,김재철,신종희 韓國藥用作物學會 1996 한국약용작물학회지 Vol.4 No.3
1. 작약(芍藥)의 지상부(地上部)에 기생(寄生)하는 주요 병원균(病原菌)은 점무늬병균 등 7종(種)이었으며 점 무늬병은 잎, 검은무늬병은 줄기, 흰가루병은 잎과 줄기 등 지상부 전체에 발생이 심하였다. 2. 작약(芍藥)에는 점무늬병과 흰가루병이 우점종(優占種)이었고, 각각 4월 하순, 5월 중순부터 발생되기 시작하여 5월 하순 이후는 급격히 증가하였으며 의성작약(義城芍藥)이 영천종(永川種)보다 발병율이 높았다. 3. 시기별(時期別) 작약(芍藥) 지상부(地上部) 고사율(枯死率)은 95년의 경우 5월 하순부터 고사(枯死)하기 시작하여 6월 하순에 15.3%로 그 이후부터는 급격히 증가하여 8월 상순에는 50.6%가 고사(枯死)하였으며 5, 6월의 조기고사(早期枯死)는 주로 흰가루병 때문이었다. 1. The pathogenic fungi which infect to shoot of peony was 7 species. The infected parts were as followed, leaf spot disease was in leaf, leaf blotch was stem, powdery mildew was whole aerial part of both leaf and stem. 2. The major diseases were leaf spot and powdery mildew, and begin to occur from late April to middle May, and then rapidly heavy infected. The 'Euiseongpeony' variety was more susceptible to those diseases than the 'Yeongcheonpeony' variety. 3. The blight of top part by seasonal in 1995 was begun at late May and increased rapidly 50.6% in Early August.
박소득,김기재,김정혜,유오종,류정기 한국응용곤충학회 1998 한국응용곤충학회지 Vol.37 No.2
작약 재배지 뿌리혹선충 조사는 의성과 영천지역에서 실시하였다. 조사된 131개의 포장중에서 102개 포장에서 뿌리혹선충이 검출되었다. 감염된 포장의 57.8%에서 토양 300ml당 31마리 이상의 높은 밀도를 보였고, 밭에서는 논보다 기생밀도가 높았다. 사양토에서 식양토보다 높은 밀도로 서식하고 있었다. 토양의 물리화학적특성은 뿌리혹선충의 밀도에 영향을 주었는데 높은 기생을 보인 포장에서 OM, ${K}^{+}$, pH함량이 낮았다. 또한 높은 유충의 밀도를 보인 포장에서는 선충밀도가 낮거나 감염되지 않았던 포장보다도 석회요구량이 높았다. In peony fields located in Uisong and Yeongcheon distribution of Meloidogyne hapla was examined. Of 131 fields examined, M. hapla was isolated from 102 fields. In 57.8% of the infested fields, M. hapla density was higher 31 larvae1300 ml soil, the larval density isolated from upland fields were higher than those from paddy fields. Sandy loam soil harbored higher number of larvae than clay soil. Physio-chemical properties of soil might affect nematode population: High larval density was detected from those fields with low contents of OM, K+ and low pH. Fields infested with high larval densities required more lime than those with low or non infested fields.
Assessing Soil Fertility Status of Edible Wild Plants Fields in Ulleung Island
박상조,박준홍,김병성,정윤학,이동준,권오흔,박소득,이석희 한국토양비료학회 2016 한국토양비료학회지 Vol.49 No.4
The perennial edible wild plants such as Aster glehnii, Solidago virgaurea subsp. gigantean, Allium ochotense, Athyrium acutipinnulum, Aruncus dioicus var. kamtschaticus and Codonopsis lanceolata have cultivated as the main income crops introduced into the fields about 30 years ago in Ulleung island. Soil samples were collected from 190 fields and assessed the effects of management practices on soil chemical properties at wild edible plant fields under no-till system. The strong acidic soils of pH 5.4 or less were detected in 45% of the soil samples. The level of soil organic matter was being held at mean 63±28 g kg-1, 2.7 times higher than upland soils in Korea. Available phosphate and exchangeable potassium showed more than recommended levels of upland crops as 680±489 mg kg-1 and 1.94±1.7 cmolc kg-1, respectively. The fields of Solidago and Aster showing strong soil acidity and high level of available phosphate and water soluble NO3- were distinguished from other crops in analysis of variance and principal component analysis of soil chemicals. These results suggested that high frequency of acidic soil and high levels of available P2O5, exchangeable K2O and water soluble NO3- were accompanied with the use of urea and NPK-fertilizer based on nitrogen in the field. However, further research is needed to understand the appropriate management of fertilization and the prevention of soil acidification for wild edible plants.