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題名 | 春作單向淘汰及不同栽培地區對大豆雜種族群育種行為的影響 (1):F3-F5 世代農藝性狀頻度分布之變異 |
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作者 | 李瑞興; 曾富生; | 書刊名 | 嘉義農專學報 |
卷期 | 28 1992.02[民81.02] |
頁次 | 頁1-51 |
分類號 | 434.215 |
關鍵詞 | 大豆; 世代; 育種; 性狀; 春作; 栽培地區; 族群; 單向淘汰; 農藝; 頻度; 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)x台農15號(TN15)(A組合)及台農15號 xT175(PI92451)(B組合)之F��-F�ㄩ堣l,於1984年春作起以春作單向淘汰法分別播 種於臺灣四個地區,探討F��-F�ㄠ皒s之農藝性狀在四個不同栽培地區之族群分 布型及各種育種介量。 兩個F��-F�ㄔ@代之族群分布型,因培育地區之不同而有明顯差異。營養性狀在 南部其平均值偏大,而北部地區較小。莢數性狀及產量構成因素等性狀亦有類似 之結果,屏東、臺南偏向晚開花,臺中、新竹偏向早開花。 各雜種連續世代在各地淘汰後其F�陛BF�瓷BF�ㄔ@代中種植於臺中之結果,株高 有由北向南遞增之趨勢,分枝數、主莖節數在四個地區間差異不顯著,主莖莢數、 分枝莢數、產量在地區間有明顯差異,以臺南平均值最大,新竹最小。 |
英文摘要 | From spring crop, 1984 to 1986, two F�� – F�� soybean (.Glycine max) hybridpopulations of KS8 TN15 (population A) and TN15 T175 (population B)were planted in four locations of Taiwan (Pingtung, Tainan, Taichung andHsinchu) for studying the frequency distributions and breeding parameters often characters in F ��-F�� populations. The results were summarized as follows:1. When F�� – F�� bulk populations of soybean were subjected to the directional natural selection in the spring crop season from F�� – F��, the mean values of various agronomic characters of plants grown in the southern locations were found to be larger than those grown in the northern locations. Similar phe nomena were found for number of pods and other yield components. Those grown at Pingtung and Tainan became late flowering types but those grown at Taichung and Hsinchu tended to become early flowering types.2. The bulk populations of F��, F�� and F�� which had been subjected to the nat ural selection at various locations were all collected and grew together at Taichung for spring crop seasonal selection. Those previously grown at the northern locations tended to increase their plant heights gradually in com parison with those grown at the southern locations. No significant differences in number of branches, number of nodes on the main stem were observed |
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