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National Chung Hsing University Institutional Repository - NCHUIR > 農業暨自然資源學院 > 農業暨自然資源學院 > 依資料類型分類 > 期刊論文 >  Development of a semiselective medium for detection of Mycosphaerella pinodes in soil, plant debris and seed

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/134590

標題: Development of a semiselective medium for detection of Mycosphaerella pinodes in soil, plant debris and seed
作者: Chen, M.H.;Chung, W.C.;Huang, H.C.;Huang, J.W.
關鍵字: garden pea;leaf blight;Mycosphaerella pinodes;SC-semiselective medium;pea pisum-sativum;yield components;field peas;ascochyta;survival;paraquat;fungi
日期: 2010
Issue Date: 2012-12-14 10:57:46 (UTC+8)
關連: Canadian Journal of Plant Pathology-Revue Canadienne De Phytopathologie, Volume 32, Issue 3, Page(s) 342-350.
摘要: Garden pea leaf blight, caused by Mycosphaerella pinodes, is a severe disease of peas worldwide. Detection of this pathogen from seed, plant debris and soil is difficult using non-selective agar media. This study was conducted to develop a semiselective medium for the isolation of this pathogen. Of the 14 carbon sources and 18 nitrogen sources tested, maltose and soluble starch were the most suitable carbon sources and casein was the most important nitrogen source for mycelial growth of three isolates of M. pinodes. Among 13 pesticides and two antibiotics tested, atrazine, mepronil, paraquat, propamocarb and TMTD showed no adverse effect on growth of M. pinodes. Based on these results, a starch-casein semiselective medium (designated as the SC-semiselective medium) was developed by amendment of 1 L Czapek-Dox agar with 30 g soluble starch, 2 g casein, 25 g mL-1 propamocarb, 10 g mL-1 benomyl, 50 g mL-1 mepronil, 300 g mL-1 atrazine, 100 g mL-1 streptomycin sulfate and 200 g mL-1 neomycin sulfate. This SC-semiselective medium was effective for detection of M. pinodes in artificially and naturally infested field soils, diseased seeds, leaves, and stems of peas. It should have potential for applications in research on biology, ecology and control of M. pinodes in peas.
Relation: Canadian Journal of Plant Pathology-Revue Canadienne De Phytopathologie
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 黃振文

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