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1·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.

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。

2·The early sprouting and mid maturing new mulberry varieties Nongsang 12 and Nongsang 14 were bred through hybridization, single plant selection, pedigree selection and regional test.

通过人工有性杂交、单株选择、系统选择、区试鉴定，育成早生中熟桑树新品种农桑12号、农桑14号。

3·Pedigree method, backcross method and convergent cross selection are used widely in dwarf maize breeding.

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。

4·SSR can be expected to complement existing RFLP, RAPD, AFLP maps, and are useful for genotype identification. gene and QTL analysis, marker assisted selection in breeding and pedigree analysis.

林木的微卫星标记可扩充现有的RFLP、RAPD、AFLP遗传图谱，以及QTL分析，并应用于基因型鉴别，分子标记辅助选择育种。

5·'Changjiang No. 3' is a asparagus bean crossed by Zhijiang 28 - 2 and Zhijiaqing variety using pedigree method after 8 - generation selection.

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。

6·SSR markers can be expected to complement existing RFLP maps, are useful for genotype identification, gene and QTL analysis, marker assisted selection in breeding and pedigree analysis.

大豆的微卫星标记可扩充现有的RF LP图谱，广泛应用于基因型鉴定，基因和QTL分析，分子标记辅助育种和家系分析等。

7·Their F_2 is backcrossed with 7902- 4, and F_2 of this backcross is backcrossed again with 40354, and then selected by using the modified pedigree and bulk selection procedure.

回交亲本为7902-4和40354。杂种第二代用7902-4进行回交，回交第二代用40354再次回交，之后用改良系谱混合选择法进行选育。