난황유를 이용한 가지과 작물의 흰가루병 방제
Cooking oil and yolk mixture (COY), a environmentally acceptable plant protection agent, and COY+$CaCO_3$+neem oil mixture were studied to control the powdery mildew occurring on eggplant, paprika, cherry tomato and maturity tomato in glass houses and vinyl houses during 2005 to 2007. The morphologi...
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Published in | Sigmulbyeong yeon'gu Vol. 15; no. 1; pp. 23 - 29 |
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Main Authors | , , , |
Format | Journal Article |
Language | Korean |
Published |
한국식물병리학회
2009
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Subjects | |
Online Access | Get full text |
ISSN | 1598-2262 2233-9191 |
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Abstract | Cooking oil and yolk mixture (COY), a environmentally acceptable plant protection agent, and COY+$CaCO_3$+neem oil mixture were studied to control the powdery mildew occurring on eggplant, paprika, cherry tomato and maturity tomato in glass houses and vinyl houses during 2005 to 2007. The morphological changes of the pathogenic fungi on the leaf surface before and after treatment of COY were observed. COY made of rape seed oil and COY+$CaCO_3$+neem oil mixture were sprayed three times with 5 days interval to foliar parts of eggplant, paprika and tomato and the disease development were examined 5 days after final spray. In eggplant, the control efficacy of COY to powdery mildew was 94.6%. In paprika, the control efficacy of COY to powdery mildew was 91.6% and that of COY+$CaCO_3$+neem oil mixture was 96.2% that revealed little higher than COY itself. In tomatoes(cherry or maturity tomato), the control efficacy of COY were about 91 %, however, when COY mixture were sprayed to tomato leaves and stems the powdery mildew was controlled completely. Typical and healthy mycelia, conidiophores and condia were observed through scanning electron microscope in COY unsprayed leaf surface, on the other hand destroyed and winkled mycelia and conidiophores were observed in COY treated leaves regardless host plants nor taxonomic differences of fungi. 2005년부터 2007년까지 3년 동안 경상남도농업기술원 시설하우스와 유리온실에 재배중인 가지, 파프리카, 토마토에 발생하는 흰가루병을 방제하기 위하여 친환경 농자재인 난황유를 살포한 것과 난황유에 칼슘과 님오일을 혼합한 제제를 살포한 후 병 방제효과와 식물체 상에서 병원균의 형태적 변화를 관찰하였다. 채종유로 만든 난황유를 5일 간격으로 3회 지상부에 골고루 살포하고 최종약제 살포 후 5일째 병 진전을 조사한 경우 가지 흰가루병이 94.6% 방제가 되었고, 파프리카 흰가루병은 난황유만을 살포한 경우에는 91.6%의 방제가를 나타내었으며, 난황유에 칼슘과 님오일을 혼합하여 살포할 경우 96.2%의 더 높은 방제가를 나타내었다. 시설하우스내 토마토(방울, 완숙) 철가루병 방제를 위해 채종유로 만든 난황유를 살포할 경우 91.1$\sim$91.7% 정도 방제 되었으며, 난황유와 칼슘과 님오일을 혼합하여 살포할 경우 100% 방제가 되었다. 난황유를 처리하지 않은 식물체 표면에서는 건강하고 왕성한 균사, 분생포자경, 분생포자들을 전자현미경으로 관찰할 수 있었으나, 난황유를 처리한 이후에 관찰된 흰가루병균은 기주식물과 병원균의 종류에 관계없이 모두 세포벽이 파괴되어 원형질이 빠져나가 균사가 모두 쭈그러들었으며 분생포자가 생성되지 않았다. |
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AbstractList | Cooking oil and yolk mixture (COY), a environmentally acceptable plant protection agent, and COY+
CaCO3+neem oil mixture were studied to control the powdery mildew occurring on eggplant, paprika, cherry
tomato and maturity tomato in glass houses and vinyl houses during 2005 to 2007. The morphological
changes of the pathogenic fungi on the leaf surface before and after treatment of COY were observed. COY
made of rape seed oil and COY+CaCO3+neem oil mixture were sprayed three times with 5 days interval to
foliar parts of eggplant, paprika and tomato and the disease development were examined 5 days after final
spray. In eggplant, the control efficacy of COY to powdery mildew was 94.6%. In paprika, the control efficacy
of COY to powdery mildew was 91.6% and that of COY+CaCO3+neem oil mixture was 96.2% that
revealed little higher than COY itself. In tomatoes(cherry or maturity tomato), the control efficacy of COY
were about 91%, however, when COY mixture were sprayed to tomato leaves and stems the powdery mildew
was controlled completely. Typical and healthy mycelia, conidiophores and condia were observed through
scanning electron microscope in COY unsprayed leaf surface, on the other hand destroyed and winkled
mycelia and conidiophores were observed in COY treated leaves regardless host plants nor taxonomic differences
of fungi. KCI Citation Count: 9 Cooking oil and yolk mixture (COY), a environmentally acceptable plant protection agent, and COY+$CaCO_3$+neem oil mixture were studied to control the powdery mildew occurring on eggplant, paprika, cherry tomato and maturity tomato in glass houses and vinyl houses during 2005 to 2007. The morphological changes of the pathogenic fungi on the leaf surface before and after treatment of COY were observed. COY made of rape seed oil and COY+$CaCO_3$+neem oil mixture were sprayed three times with 5 days interval to foliar parts of eggplant, paprika and tomato and the disease development were examined 5 days after final spray. In eggplant, the control efficacy of COY to powdery mildew was 94.6%. In paprika, the control efficacy of COY to powdery mildew was 91.6% and that of COY+$CaCO_3$+neem oil mixture was 96.2% that revealed little higher than COY itself. In tomatoes(cherry or maturity tomato), the control efficacy of COY were about 91 %, however, when COY mixture were sprayed to tomato leaves and stems the powdery mildew was controlled completely. Typical and healthy mycelia, conidiophores and condia were observed through scanning electron microscope in COY unsprayed leaf surface, on the other hand destroyed and winkled mycelia and conidiophores were observed in COY treated leaves regardless host plants nor taxonomic differences of fungi. 2005년부터 2007년까지 3년 동안 경상남도농업기술원 시설하우스와 유리온실에 재배중인 가지, 파프리카, 토마토에 발생하는 흰가루병을 방제하기 위하여 친환경 농자재인 난황유를 살포한 것과 난황유에 칼슘과 님오일을 혼합한 제제를 살포한 후 병 방제효과와 식물체 상에서 병원균의 형태적 변화를 관찰하였다. 채종유로 만든 난황유를 5일 간격으로 3회 지상부에 골고루 살포하고 최종약제 살포 후 5일째 병 진전을 조사한 경우 가지 흰가루병이 94.6% 방제가 되었고, 파프리카 흰가루병은 난황유만을 살포한 경우에는 91.6%의 방제가를 나타내었으며, 난황유에 칼슘과 님오일을 혼합하여 살포할 경우 96.2%의 더 높은 방제가를 나타내었다. 시설하우스내 토마토(방울, 완숙) 철가루병 방제를 위해 채종유로 만든 난황유를 살포할 경우 91.1$\sim$91.7% 정도 방제 되었으며, 난황유와 칼슘과 님오일을 혼합하여 살포할 경우 100% 방제가 되었다. 난황유를 처리하지 않은 식물체 표면에서는 건강하고 왕성한 균사, 분생포자경, 분생포자들을 전자현미경으로 관찰할 수 있었으나, 난황유를 처리한 이후에 관찰된 흰가루병균은 기주식물과 병원균의 종류에 관계없이 모두 세포벽이 파괴되어 원형질이 빠져나가 균사가 모두 쭈그러들었으며 분생포자가 생성되지 않았다. |
Author | 심창기(Chang-Ki Shim) 지형진(Hyeong-Jin Jee) 권진혁(Jin-Hyeuk Kwon) 박창석(Chang-Seuk Park) |
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DocumentTitleAlternate | Control of Powdery Mildew on Solanaceous Crops by Using COY (Cooking Oil and Yolk Mixture) in the Greenhouse |
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Snippet | Cooking oil and yolk mixture (COY), a environmentally acceptable plant protection agent, and COY+$CaCO_3$+neem oil mixture were studied to control the powdery... Cooking oil and yolk mixture (COY), a environmentally acceptable plant protection agent, and COY+ CaCO3+neem oil mixture were studied to control the powdery... |
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Title | 난황유를 이용한 가지과 작물의 흰가루병 방제 |
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