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題 名 | 國際稻品種(系)在臺灣對稻熱病之反應及其利用=Reaction of International Rice Varieties and Breeding Lines to Blast and Its Utilization in Taiwan |
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作 者 | 陳隆澤; | 書刊名 | 中華農業研究 |
卷 期 | 48:3 1999.09[民88.09] |
頁 次 | 頁12-23 |
分類號 | 434.111 |
關鍵詞 | 稻; 稻熱病; 國際稻熱病圃; 反應; Rice; Blast; International rice blast nursery; Reaction; |
語 文 | 中文(Chinese) |
中文摘要 | 行政院農業委員會農業試驗所嘉義分所國際稻熱病圃自1977年至1994年間,先後計檢定世界58個國家和各地農業改良場所育成之稻品種(系)4,791個。參試稻品種(系)罹病情形因年度與期作而異,一般而言,秈稻對稻熱病之抵抗性較?稻為強,而第二期作之罹病程度較第一期作嚴重,惟兩期作罹病級數間呈顯著正相關。國際稻熱病圃歷年表現穩定抗病性之品種(系)已廣泛地被應用,並提供台灣水稻抗熱病育種多樣化及穩定性之抗源基因,且具顯著貢獻。 |
英文摘要 | A total of 4,791 rice varieties and breeding lines from 58 countries and agricultural improvement stations were tested for their reaction to blast disease at Chiayi AES International Rice Blast Nursery during the period from 1977 to 1994. The incidence of blast disease varied with seasons and years. In general, Indica rices were more resistant to the disease than Japonicas. Blast disease incidence recorded in the first crop was observed to be closely related to that recorded in the second crop though the degree of incidence in the second crop was more severe than that in the first crop. Some entries such as Tetep and others selected from the International Rice Blast Nursery which showed stable resistance to blast have widely used as important sources of resistance in breeding programs and given great contribution to rice breeding for blast resistance in Taiwan |
本系統中英文摘要資訊取自各篇刊載內容。