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題名 | A New Seed-Borne Pathogen, Alternaria Dianthicola, on Dianthus in Taiwan=在臺灣石竹屬植物上之新種媒病原 |
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作者 | 李月伶; 吳文希; Li, Yueh-ling; Wu, Wen-shi; |
期刊 | 植物病理學會刊 |
出版日期 | 20020900 |
卷期 | 11:3 2002.09[民91.09] |
頁次 | 頁165-167 |
分類號 | 435.466 |
語文 | eng |
關鍵詞 | 種子; 種子處理; 花卉作物; 種子病原; Seed; Seed treatment; Fungicide; Ornamental plant; Seed pathogen; Alternaria dianthicola; |
中文摘要 | 利用吸濕紙法檢測五種品種的康乃馨及三種品種的石竹種子,而發現本省新紀錄之Alternaria dianthicola、Cladosporium oxysporum、Fusarium proliferatum及Stemphylium vesicarium。康乃馨品種Chabaud La France對A. dianthicola十分容易罹病,被感染的葉片在幾天內就會枯萎,然而A. dianthicola在日本石竹上只造成葉斑。Difenoconazole、prochloraz與pyrifenox在濃度1ppm時可以顯著地(p=0.05)抑制A. dianthicola的菌絲生長;日本石竹及康乃馨的種子以difenoconazole或pyrifenox處理後,所產生的罹病幼苗顯著地(p=0.05)少於種子未經藥劑處理的對照組。 |
英文摘要 | Seed samples of five cultivars of carnation (Dianthus caryophyllus) and three cultivars of Japanese dianthus were examined by blotter method. Ten genera of fungi were isolated. Among them, Alternaria dianthicola, Cladosporium oxysporum, Fusarium proliferatum and Stemphylium vesicarium were firstly recorded as seed-borne fungi on Dianthus spp. in Taiwan. Dianthus caryophyllus L. cv. Chabaud La France was very susceptible to the infection of A. dianthicola. Infected leaves of cv. Chabaud La France caused by A. dianthicola shriveled in few days, whereas leaf spots occurred on Japanese dianthus. Difenoconazole, prochloraz, or pyrifenox at 1 ppm was able to inhibit significantly (p=0.05) the growth of A. dianthicola. Seeds of Japanese dianthus and carnation treated with difenoconazole or pyrifenox produced significantly (p=0.05) less diseased seedlings than those of untreated control. |
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