- 作者: 諶貽訓
- 作者服務機構: 臺南新化畜產試驗所
- 中文摘要:
大芻草為一年生多?性之牧草,刈後可以復生與玉米為近親植物,可以進行雜交,玉米初期生
長迅速,但刈後復生能力差,此二者之品質較一般常用禾本科牧草為佳,若將此二者之優點用雜交
方法匯集於其雜交後代中,必可選出產量高,品質佳之牧草,大芻草與玉米五品系於60年進行原始
雜交,雜交方法與玉米品種間雜交方法相同,於61年進行第一次?交,?交時,以大芻草為輪?親
本,由第一次?交所得後代觀察結果,初期生長速度已有顯著改進,刈後復生能力亦然,唯分?數
尚不足,故尚須與多?性親本大芻草再行?交數次,即可進行分離選拔。r - 英文摘要: Intergeneric hybridization was made between Teosinte (Euchlaena mexicana) asmaternal Parent and five maize varieties (Zea mays), with a purpose to producebetter soiling crop. Six hundred and forty seven seeds (F) were obtained in 1971,and treated by bulk method. The F plants were selected upon their comparativegrowth rate, number of tillers and regrowing potential after cut, in 1972. Theselected F plants will be directly back crossed to Teosinte (recurrent parent) forgenerations. The first back cross was made in October 1972. One hundred andsixty two seeds (Teosinte╳maize) were obtained.
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- 英文關鍵字: --