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題 名 | 分季連續淘汰及不同栽培地區對大豆雜種族群育種行為的影響(2):F2-F5 世代農藝性狀遺傳率及相關之變異 |
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作 者 | 李瑞興; 詹國連; 曾富生; | 書刊名 | 嘉義農專學報 |
卷 期 | 26 1991.06[民80.06] |
頁 次 | 頁51-69 |
分類號 | 434.215 |
關鍵詞 | 大豆; 世代; 育種; 性狀; 栽培地區; 族群; 淘汰; 農藝; 遺傳率; 雜種; |
語 文 | 中文(Chinese) |
中文摘要 | 以兩個大豆雜種族群高雄8號(KS8)*臺農15號(TN15)(A組合)及台農15號 *T175(P192451)(B組合)之F��-F�ㄩ堣l,於1983年春作起以分季連續淘汰法分別播 種於台灣四個地區,探討F��- F�ㄠ皒s在四個不同栽培環境下,農藝性狀之遺傳 率及相關之變異。試驗結果顯示營養性狀之遺傳率較高,產量構成性狀較低,而 遺傳率之大小因栽培地區之不同而有顯著的差異。一般而言,選拔株高、主莖莢 數、分枝莢數、粒數、產量、百粒重以台南較容易。性狀間相關之強弱及方向, 在地區間均有明顯差異,一般,A組合之性狀除在屏東區外,B組合除新竹區外, 其餘均甚密切。由此地區間性狀遺傳率及相關之變異現象,可推測大豆雜種族群 之遺傳構成,因不同環境之淘汰而有地區間之分化現象。 |
英文摘要 | From spring crop 1983, two F��-F�� soybean (Glycine max) hybrid populationsof KS8xTN15 (population A) and TN15xT175 (population B) were planted in fourlocations of Taiwan (Pingtung, Tainan, Taichung and Hsinchu) to estimate theheritabilities and correlations of ten agromomic characters in F��-F�� populations.The results are summarized as follows: In general, the heritability values for vegetative characters were higher thanthat of the yield components. The magnitude of hertability varied with locations.It is considered that the selection for plant height, pods on main stem, pods onbranch, seed number, seed yield, 100-seed weight at Tainan is easier. Significantdifferences of correlations among these characters were found. The characters inTainan, Taichung and Hsinchu of population A and those in Pingtung, Tainanand Taichung of population B were closely associated than those in other locations.The results of this study suggested that some differentiations had taken place. |
本系統中英文摘要資訊取自各篇刊載內容。