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頁籤選單縮合
| 題 名 | 二種杭菊炭疽病菌株之鑑定及其化學藥劑篩選=Identification and Fungicides Selection for Two Chrysanthemum Anthracnose Isolates |
|---|---|
| 作 者 | 林秀橤; 劉天麟; 黃思頴; 邱垂豐; 戴佳如; | 書刊名 | 臺灣茶業研究彙報 |
| 卷 期 | 33 2014.11[民103.11] |
| 頁 次 | 頁95-111 |
| 分類號 | 433.85 |
| 關鍵詞 | 杭菊炭疽病; 抗感性; 殺菌劑; Chrysanthemum anthracnose; Sensitive/resistance; Fungicide; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 杭菊炭疽病菌 (Chrysanthemum anthracnose fungus) 主要感染葉片,危害嚴重時 造成大量落葉、植株衰弱及降低花苞充實與降低鮮花收量等不良影響。目前在杭菊 炭疽病上核准登記使用藥劑僅延伸使用一種,為提供防治與藥劑延伸使用之參考, 針對杭菊炭疽病菌進行市售防治炭疽病之藥劑進行篩選。本試驗自茶業改良場所栽 培之杭菊罹病葉片上分離出ChH-1 及ChP-3 共2 菌株 (isolates),經形態學特徵及分 子生物學鑑定為Colletotrichum gloeosporioides 炭疽病菌。於馬鈴薯葡萄糖瓊脂培養 基 (potato dextrose agar, PDA) 中測試此二菌株對25 種不同殺菌劑之抗感性。在1 μg/mL 有效濃度時,對供試菌株菌絲生長抑制達EC50 值 (half maximal effective concentration) 之農藥包括待克利 (Difenoconazole)、滅特座 (Metconazole)、免賴得 (Benomyl) 、甲基多保淨 (Thiophanate-Methyl) 、扶吉胺 (Fluazinam) 、撲克拉 (Prochlora) 及嘉賜貝芬 (Kasugamycin hydrochloride + Carbendazim),而免賴得、扶 吉胺及嘉賜貝芬對兩供試菌株抑制菌絲生長效果最佳,於有效濃度1 μg/mL 時可達 到80 %抑制率。 |
| 英文摘要 | Chrysanthemum anthracnose fungus causes leaves disease mainly. The diseased plants show leaf fallen, plant weaken, lower the enrichment of buds and reduce the yield of fresh flowers while it occurs seriously. So far, there is only one registered fungicide for controlling anthracnose on Chrysanthemum morifolium. The study is to select the commercially available fungicides for testing the efficacy on control of Chrysanthemum anthracnose fungus and provides the information for use in future. Two tested isolates, ChH-1and ChP-3, were identified by morphology and molecular biology as Colletotrichum gloeosporioides from C. morifolium in Tea Research and Extension Station in Taoyuan County. Test the sensitive/resistance of two isolates for 25 fungicides on potato dextrose agar. The tested pesticides of “Difenoconazole”, “Metconazole”, "Pyraclostrobin", “Benomyl “, “Thiophanate-Methyl”, "Fluazinam", “Prochlora”, and “Kasugamycin hydrochloride + Carbendazim” could inhibit the mycelium growth of the two Colletotrichum isolates with EC50 values at 1 μg/mL. Three pesticides, “Benomyl “, "Fluazinam" and “Kasugamycin hydrochloride + Carbendazim”, were the most effectively inhibiting the mycelium growth of tested isolates among 25 pesticides. |
本系統中英文摘要資訊取自各篇刊載內容。