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頁籤選單縮合
題名 | 臺南白玉米自交系對亞洲玉米螟抗性之遺傳變異及其遺傳行為=Genetic Variation and Inheritance of Tainan-White Maize Inbred Lines Resistance to the Asian Corn Borer (Ostrinia furnacalis) |
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作者 | 謝光照; 陳炳輝; 何千里; 盧煌勝; Shieh, Guang-jauh; Chen, Bing-huei; Ho, Chan-lee; Lu, Hung-shung; |
期刊 | 中華農業研究 |
出版日期 | 19990900 |
卷期 | 48:3 1999.09[民88.09] |
頁次 | 頁24-31 |
分類號 | 434.11 |
語文 | chi |
關鍵詞 | 臺南白玉米; 亞洲玉米螟; 抗螟性; 遺傳變異; Tainan-white maize; Asian corn borer; Resistance; Genetic variation; |
中文摘要 | 由八個不同地區蒐集之臺南白玉米族群,經自交分離至S2及S5世代自交系,經由田間人工接種檢定結果,顯示所分離的自交系間,不論在輪生期或開花期對亞洲玉米螟(Ostrinia furnacalis)之抗性具有明顯之遺傳變異存在,在大量自交系統中可獲得輪生期及開花期皆具有抗性之自交性。抗亞洲玉米螟之Hayman遺傳分析,發現台南白玉米帶有之抗性基因,不論輪生期或開花期其抗螟性均受累加性及非累加性基因共同控制,以累加性作用佔較大比例。一般具有較多隱性基因者抗螟性較強,輪生期至少受2群基因所控制,而開花期則至少受3群基因控制其抗性之表現。 |
英文摘要 | The S2 and S5 inbred lines derived from eight Tainan-white (TNW) maize populations collected from eight differential areas were evaluated for resistance to Asian corn borer (Ostrinia furnacalis), at Wufeng, Taichung. Artificial infestation of the larve on plant was used in whorl and silking stages of plant development, respectively. The result indicated that the TNW inbred lines with larger genetic variation for Asian corn borer feeding damage in the whorl and silking stages of plant development can be selected for higher resistance. In the diallel cross using Haymans method for analysis, the result indicated that the variations attributed to additive gene amd non-additive gene were highly significantly for Asian corn borer resistance in whorl stage and silking stage. The additive genetic variance was larger than the non-additive genetic variance. The resistance to Asian corn borer was controlled by 2and 3 groups of gene in whorl and silking stage of plant development, respectively. The recessive gene might be the one attributing resistance to Asian corn borer because the inbred lines with higher level of resistance have more recessive genes. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。