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題名 | 臺灣菜豆銹病菌原性的分化與菜豆之抗銹病反應 |
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編 次 | 1 |
作 者 | 古錦文; | 書刊名 | 臺中區農業改良場研究彙報 |
卷期 | 34 1992.03[民81.03] |
頁次 | 頁35-43 |
分類號 | 435.291 |
關鍵詞 | 分化; 菜豆; 臺灣; 銹病菌; |
語文 | 中文(Chinese) |
中文摘要 | 利用19個標準判別品種鑑定台灣中部地區的菜豆�蚽f病原菌得7個生 理小種。判別品種之U.S.#3、Pinto 650對這些生理小種呈感級(S)的反應,至於 Mexico 309、AxS37、NEP-2、CNC等則均屬抗性反應。30%的分離單孢分離菌 株與生理小種TW-1引起菜豆�蚽f的反應一致,因此TW-1可能是台灣中部地區 最普遍的生理小種。大部份的生理小種對此7個生理小種具極感反應,惟台中一 號對TW-2、TW-3兩�蚽f菌之生理小種反應是極抗,BARC-RR-13及四個PI品 種則全部表現抗、極抗或免疫反應。顯然這幾個品種是改良本省菜豆抗�蚽f之珍 貴種源。 |
英文摘要 | The urediniospore samples of bean rust, Uromyces phaseoli , were collected from central Taiwan for single spore isolations and pathogenicity tests. Seven races, TW-1∼TW-7, were identified by using 19 differential varieties of beans. Among those cultivars, US. #3 and Pinto 650 were susceptible and cultivars Mexico 309, Actopan x Sonilac Selection 37 (A x S 37), NEP-2, Compuesto Negro Chimaltenango (CNC) were either resistant or highly resistant and immune to Taiwanese races. 30% isolates of the pathogen from my collections similar to the race TW-1 in virulent reaction. Race TW-1 is probably the most common race of rust on Phaseolus vulgaris L. in central Taiwan. Most of the cultivars of Taiwan beans were susceptible to all of the seven races,but cultivar Taichung #1 was resistant to races TW-2 and TW-3. The cultivars of BARC-RR-13 and PI's were highly resistant to all of seven races. They may be potential germplasms for improving the rust resistance in the cultivars of Taiwan beans. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。