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Botrytis elliptica(Berk.) Cooke에 의(依)한 한국(韓國) 미기록(未記錄) 백합(百合)잎마름병(病)
유승헌,김홍기,박종성,Yu, Seung Hun,Kim, Hong Gi,Park, Jong Seong 충남대학교 농업과학연구소 1988 Korean Journal of Agricultural Science Vol.15 No.1
1987년(年) 대전(大田) 근교(近郊)의 vinyl house에서 재배중(栽培中)인 백합(百合)(Lilium spp.)에서 Botryis elliptica에 의한 잎마름병(病)이 국내(國內)에서 최초(最初)로 발견(發見)되었다. 본(本) 병(病)의 초기(初期) 병징(病徵)은 잎과 줄기에 나타나는 갈색(褐色) 점(點)무늬로서 점차 확대(擴大)되어 잎마름 증상(症狀)을 나타내었고 발병(發病)이 심(甚)하면 식물체(植物體) 전체(全體)가 갈변(褐變)하고 고사(枯死)되었다. 병원성(病原性) 검정(檢定) 결과(結果) 본(本) 병원균(病原菌)은 백합(百合)에만 병원성(病原性)이 있었고 고추, 토마토, 인삼, 양파, 파에는 병원성(病原性)이 없었다. 본(本) 병(病)은 국내(國內) 미기록병(未紀錄病)으로 Botrytis elliptica(Berk.) Cooke에 의(依)한 백합(百合) 잎마름병(病)(엽고병(葉枯病))으로 명명(命名)하고자 한다. A severe blight disease of lily (Lilium spp.) caused by Botrytis elliptica was found in a vinyl house in Taejon for the first time in 1987. Initial symptom of the disease was brown spotting on leaves and stems of the plants. The spots gradually increased in size and coalesced to form bigger spots and blights on the leaves. Plants with severe damage became brown and sometimes died. In the inoculation experiments, the fungus was found to be pathogenic only to lily, but not to pepper, tomato, ginseng, onion and welth onion.
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고추 탄저병균(炭疽病菌)의 종자전염(種子傳染)에 관(關)한 연구(硏究)
유승헌,박종성,이향범,김홍기,Yu, Seung Hun,Park, Jong Seong,Lee, Hyang Burm,Kim, Hong Gi 충남대학교 농업과학연구소 1987 Korean Journal of Agricultural Science Vol.14 No.1
고추 종자에서 Colletotrichum acutatum, C. coccodes, C.dematium 및 C. gloeosporioides 등 4종의 탄저병균(炭疽病菌)이 검출(檢出)되었다. 그중 C.dematium과 C.gloeosporioides가 높은 비율(比率)로 검출(檢出)되었으며, 감염율(感染率)이 높은 종자시료(種子試料)는 각각(各各) 최고 84% 및 28%의 감염율(感染率)을 나타내었다. 반면에 C.acutatum과 C.coccodes는 각각 1개의 종자 시료(試料)에서 1% 및 2%의 낮은 비율(比率)로 검출(檢出)되었다. 표준습지법(標準濕紙法)이 냉동습지법(冷凍濕紙法)이나 한천배지배양법(培地培養法)에 비하여 종자상의 탄저병균(炭疽病菌) 검출(檢出)에 효과적(效果的)이었다. C.dematium과 C. gloeosporioides의 종자내 감염부위(感染部位)를 조사(調査)하였던 바, 종피(種皮)뿐 아니라 종자내 깊숙이 배유(胚乳)와 자엽(子葉)에 까지 감염(感染)되어 있음이 확인되었으나 종피(種皮) 감염율(感染率)이 높았다. C.dematium과 C.gloeosporioides 감염종자(感染種子)를 한천배지와 살균토양에 옮겨 발아율과 유묘생육상황(幼苗生育狀況)을 조사한 결과, 감염종자(感染種子)는 종자부패(種子腐敗), 모잘록, 유묘고사(幼苗枯死) 및 자엽(子葉)과 하배축(下胚軸)의 변색(變色)을 초래하였다. 접종실험(接種實驗) 결과 C.acutatum은 고추의 적과(赤果)에 병원성(病原性)이 있었고 C.coccodes는 고추 적과(赤果)에 강한 병원성(病原性)이, 고추 잎에 약한 병원성(病原性)이 있었다. C.dematium은 고추 잎과 청과(靑果)에 강한 병원성(病原性)이 있었고, C.gloeosporioides 는 고추 잎과 청과(靑果) 및 적과(赤果)에 병원성이 있었다. 이들 4종의 종자전염성(種子傳染性) 탄저병균(炭疽病菌)의 고추 이외의 다른 작물(作物)에 대한 병원성도 조사하였다. Colletotrichum acutatum, C. coccodes, C. dematium and C. gloeosporioides were detected in seed samples of red pepper (Capsicum annuum). C. dematium and C. gloeosporioides were the predominant species, maximum seed infection of the species in some samples were 84% and 28%, respectively. C. acutatum and C. coccodes were recorded only in low percentages of 1-2. The blotter method proved more suitable for detecting Colletotricum spp. than the deep freezing blotter or agar plate methods. Plating of seed components showed that C. dematium and C. gloeosporioides were recovered more frequently from seed coat, and decreasing amounts of infection were observed in the endosperm and cotyledon. Seed-borne C. dematium and C. gloeosporioides caused seed rot, damping-off, seedling blight and brown discoloration of cotyledon and hypocotyl when infected seeds were sown in agar of test tube or in soil. Inoculation experiments showed that C. acutatum was pathogenic to red fruit of red pepper and C. coccodes was highly pathogenic to red fruit and weakly pathogenic to leaf of the plant. C. dematium was highly pathogenic to leaf and green fruit and C. gloeosporioides was pathogenic to not only leaf but also green and red fruits. Host range of the four seed-borne species of Colletotrichum was also investigated.
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劉勝憲,朴種聲,李珦範,金洪琪 충남대학교 농업과학연구소 1987 農業技術硏究報告 Vol.14 No.1
Colletotrichum acutatum, C. coccodes, C. dematium and C. gloeosporioides were detected in seed samples of red pepper (Capsicum annuum). C. dematium and C. gloeosporioides were the predominant species, maximum seed infection of the species in some samples were 84% and 28%, respectively. C. acutatum and C. coccodes were recorded only in low percentages of 1-2. The blotter method proved more suitable for detecting Colletotricum spp. than the deep freezing blotter or agar plate methods. Plating of seed components showed that C. dematium and C. gloeosporioides were recovered more frequently from seed coat, and decreasing amounts of infection were observed in the endosperm and cotyledon. Seed-borne C. dematium and C. gloeosporioides caused seed rot, damping-off, seedling blight and brown discoloration of cotyledon and hypocotyl when infected seeds were sown in agar of test tube or in soil. Inoculation experiments showed that C. acutatum was pathogenic to red fruit of red pepper and C. coccodes was highly pathogenic to red fruit and weakly pathogenic to leaf of the plant. C. dematium was highly pathogenic to leaf and green fruit and C. gloeosporioides was pathogenic to not only leaf but also green and red fruits. Host range of the four seed-borne species of Colletotrichum was also investigated.
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Botrytis elliptica(berk.) Cooke에 依한 韓國 未記錄 百合잎마름病
劉勝憲,金洪琪,朴鍾聲 충남대학교 농업과학연구소 1988 農業技術硏究報告 Vol.15 No.1
A severe blight disease of lily (Lilium spp.) caused by Botrytis elliptica was found in a vinyl house in Taejon for the first time in 1987. Initial symptom of the disease was brown spotting on leaves and stems of the plants. The spots gradually increased in size and coalesced to form bigger spots and blights on the leaves. Plants with severe damage became brown and sometimes died. In the inoculation experiments, the fungus was found to be pathogenic only to lily, but not to pepper, tomato, ginseng, onion and welth onion.
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