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頁籤選單縮合
題 名 | 臺灣甜瓜蔓割病菌之生理小種=Race 2 of Fusarium Oxysporum f. sp. Melonis in Taiwan |
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作 者 | 蔡竹固; 陳瑞祥; 童伯開; | 書刊名 | 植物保護學會會刊 |
卷 期 | 41:2 1999.06[民88.06] |
頁 次 | 頁139-143 |
分類號 | 435.261 |
關鍵詞 | 臺灣; 甜瓜蔓割病菌; Cucumis melo; Fusarium oxysporum f.sp. melonis; Physiological race; Disease resistance; |
語 文 | 中文(Chinese) |
英文摘要 | Fusarium wilt of melon in Taiwan was first described by Chou and Sun in 1980. However, occurrence of the disease is rare in the melon-growing regions of Taiwan in recent years. The pathogenicity of the pathogen, Fusarium oxysporum f. sp. meloms, had been confirmed, but the race differentiation of the fungus had not been reported. Three local isolates (FOM-M9, FOM415-1, and FOM-S1) of F oxysporum f. sp. meloms were isolated from diseased roots and infested seeds of melon and muskmelon. Conidial suspensions (lO��/ml) from selected isolates were used to inoculate 2-wk-old seedlings of four melon differentials. Top Mark, Doublon, Perlita FR, and MR-1. The isolates from Taiwan were only pathogenic to Top Mark, On the other hand, the other three differentials were resistant to the Taiwanese isolates. Based on the results, the Taiwanese isolates are designated F, oxysporum f. sp. meloms race 2. Ten commercial cultivars of melon cultivated in Taiwan were inoculated by race 2 (the Taiwanese isolate) and race 1 (the Netherland's isolate) with conidial suspension (lO��/ml). Seven cultivars that belong to the Reticulatus group were susceptible to race 1 but resistant to race 2, whereas three cultivars that belong to the Orient type were susceptible to race 2 but resistant to race 1. |
本系統中英文摘要資訊取自各篇刊載內容。