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頁籤選單縮合
題 名 | 角粒菠菜種子誘釣立枯絲核菌之偵測技術 |
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作 者 | 劉興隆; 林俊義; 陳隆鐘; | 書刊名 | 臺中區農業改良場研究彙報 |
卷 期 | 49 1995.12[民84.12] |
頁 次 | 頁1-7 |
分類號 | 433.4 |
關鍵詞 | 偵測技術; 角粒菠菜種子纏據法; 立枯絲核菌; Detecting technique; The angle-spinach seed colonization method; Rhizoctonia solani; |
語 文 | 中文(Chinese) |
中文摘要 | 利用六種蔬菜種子,偵測土壤中之立枯絲核菌(Rhizoctonia solani AG- 4),結果發現角粒菠菜種子誘釣本菌的百分率最高。其中角粒菠菜種子最易由土 中回收挑取,而且其被菌絲纏據者在2%水瓊脂(含300ppm鏈黴素)平板上,可迅 速長出菌絲。以此方法偵測含有不同菌量密度的土壤,發現立枯絲核菌纏據角粒 菠菜種子的百分率與芥藍菜立枯病的發生率間呈直線迴歸正相關。進一步利用角 粒菠菜種子偵測存在於蔬菜田土中菌體數,可預估土壤中立枯絲核菌的菌體密度 及其在田間的分佈。 |
英文摘要 | A detecting technique using angle-spinach seed colonization method provided a rapid, sensitive and accurate means of assessing inoculum population of Rhizoctonia solani AG-4 in the soil. The mycelial growth rate of R. solani was more rapid when colonized seeds of angle- spinach were incubated on 2% water agar plate. The angle-spinach seed colonization method was more effective for recovering the pathogen because it could shorten incubation period and the angle-spinach seed was obtained from soil more conveniently. Utilizing this technique to detect population of R. solani in soil gave a significant correlation between the colonization of angle- spinach seed by R. solani and disease incidence of damping-off of kale seedlings. It is suggested that the technique may be used to monitor the population of R. solani in vegetable field soil. |
本系統中英文摘要資訊取自各篇刊載內容。