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국내 골프장 잔디에서 Hollonkiller를 利用한 藻類 및 라이족토니아 잎마름병 防除 效果
具漢謨,洪性贊,朴元鍾,都銀洙,申楠均,呂運珏 公州大學校 資源科學硏究所 1996 資源科學硏究論文集 Vol.4 No.-
These experiments were carried out to effects of algae and Rhizoctonia blight control used a Hollonkiller(antibacterial and antifungal) at golf coures in Korea. The results obtained were summarised as follows; 1.The results obtained were experiments to dry weights after 30 dayes (one times treatment) to the comparison of none treatment plot in order to control of algae of violence occurence in bentgrass. Dry weight a plot of treatment(300g/㎡) were 1.34g and the other plots (700g) were2.06g but none treatment plot were 1.18g. 2.In other to control of algae in bentgrass, dry weights after 60 days to (two times) treatment of Hollonkiller by the control to algae were in other of 3.81g(plot of 700g/㎡), 2,99g(plot of 300g/㎡) but plot of none treatment were 1.71g. Effects of algae control were good two times better than one times and 700g/㎡ more than 300/㎡. 3.The results of control to Rhizoctonia blight after spray two times(term:15 dayes) of Hollonkiller on zoysiagrass were did not appear of virulence in treatment plot (700g/㎡) but none treatment plot were appear virulence about of 50cm.
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잔디 Brown patch와 Large patch병 방제를 위한 향균성 약용식물 탐색
백수봉,심성철,구한모,여운각 한국잔디학회 1998 한국잔디학회지 Vol.12 No.3
Of crude extracts from 30 species belonging to the 21 families of medical plants, the crude extracts from Cinnamomum cassia, Paeonia moutan, Dictamnus dasycarpus showed highly antifungal activities against Rhizoctonia solani AG1-1 and R. solani AG2-2. The antifungal activity of C. cassia and P. moutan against R. solani AG1-1 were the highest through 100% methanol extraction, but the one of D. dasycarpus were the highest through 80% methanol extraction. On the other hand, against R. solani AG2-2 the antifungal activity of them were the highest through 100% methanol. C. cassia P. mouton and D. dasycarpus showed over 60% inhibition of mycelial growth against R. solani AG1-1 and R. solani AG2-2 on up to 500 fold dilution. The crude extract of P. moutan showed broader antifungal spectrum compared with those of C. cassia and D. dasycarpus. The crude extract of C. cassia was not phytotoxic at over 250 fold dilution and the crude extract of P. moutan was not phytotoxic at over 100 fold dilution. The crude extract of D. dasycarpus was not phytotoxic even at full concentration. The control values of P. moutan and D. dasycarpus were increased 75.0% and 79.1% respectively 30 days after treatment. 21과 30종의 약용식물의 Rhizoctonia solani AG1-1(brown patch)와 R. solani AG2-2(large patch)에 대한 항균활성을 조사한 결과 계피, 목단피, 백선피가 강한 항균활성을 나타내었다. R. solani AG1-1에 있어 계피와 목단피는 100% methanol로 추출한 것이 활성이 가장 높게 나왔으며 백선피는 80% methanol로 추출한 것이 높게 나왔다. 반면에 R. solani AG2-2에 있어서는 모두 100% methanol에서 활성이 가장 높게 나왔다. 농도별 활성은 이들 조추출물의 500배 희석액에서 60%이상 공시균주의 균사생장이 억제되었다. 항균specturum은 목단피가 가장 넓었다. 계피조추출물은 250배이상 희석액에서 목단피의 조추출물은 100배이상 희석액에서 약해를 나타내지 않았으며 백선피의 조추출물은 전혀 약해를 나타내지 않았다. 처리 30일후 방제가는 목단피 처리구 75.0%, 백선피 처리구 79.1%로였다.
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