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摘要


Geotrichum candidum及Geotrichum ludwigii是引起荔枝酸腐病之病原菌,在篩選藥劑防治本病時發現腐絕(thiabendazole)及依普同(iprodione)兩種藥劑,在防治果樹病害推荐濃度(分別為800∼1000 ppm及160 ppm)下對本病原菌並無抑制作用,而此兩種藥劑對於多種真菌皆有殺菌效果。以此兩種藥劑合成選擇性培養基,可有效偵測植物殘體及土壤中病原菌之存在。將病原菌拌入滅菌後及田間之自然土壤,再以選擇性培養基偵測,其回收率G. candidum及G. ludwigii分別為98.7%及98.3%。選擇性培養基之配方以馬鈴薯葡萄糖瓊脂培養基(potato dextrose agar)為主、添加乳酸( 7 5%lactic acid) 1250 ppm、腐絕8000 ppm、依普同240 ppm及玫瑰紅(rose bengal) 50 ppm。

並列摘要


A selective medium was developed for isolation of Geotrichum candidum and Geotrichum ludwigii, the cause of sour rot of litchi, from naturally infested soil and fruits. The recovery rates of G. candidum a n d G. ludwigii from the artificially infested soil were 98.7 % and 98.3 %, respectively. The medium consists of potato dextrose agar (200 g potato, 20 g dextrose and 15 g of Bacto agar in 1000 ml distilled water), 1250 ppm of lactic acid, 8000 ppm of thiabendazole, 240 ppm of iprodione and 50 ppm of rose bengal.

被引用紀錄


陳可萱(2010)。台灣蕉孢殼菌科真菌研究〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2010.01779

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