矮生玉米自交系的选育方法主要有系谱法、回交法和聚合选择法。
Pedigree method, backcross method and convergent cross selection are used widely in dwarf maize breeding.
长豇3号是由之豇28-2和指甲青经过有性杂交后，采用系谱法，经8代系统选育而成的。
'Changjiang No. 3' is a asparagus bean crossed by Zhijiang 28 - 2 and Zhijiaqing variety using pedigree method after 8 - generation selection.
GS豫豆8号是用系谱法从郑74046品系与尖叶桥梁亲本自然杂交株的杂种后代中选育成的窄叶型大豆新品种。
GS Yudou 8 is a narrow-leafed soybean variety derived from the natural hybrid of Zheng 74046 line and a tip soybean parent material (paternal) with a pedigree selection method.
通过品种间杂交和系谱法选择，育成了甘兰型低芥酸油菜新品种“油研1号”和甘兰型“双低”油菜新品种“油研2号”。
By means of intervarietal crossing and linear selection, the new rape variety "Youyan No. 1" of low erucic acid and "Youyan No. 2" of "Double Low"(low erucic acid and low glusosiolate) have been bred.
毕麦15是用绵阳11为母本，842- 644为父本，通过有性杂交，经连续8年用系谱法选育，于1992年育成。
Bimai 15 was bred from crossing Mianyang 11 (female) with 842-644 (male) by means of pedigree method for 8 years in 1992.
毕麦15是用绵阳11为母本，842- 644为父本，通过有性杂交，经连续8年用系谱法选育，于1992年育成。
Bimai 15 was bred from crossing Mianyang 11 (female) with 842-644 (male) by means of pedigree method for 8 years in 1992.
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