| 小麦新品种陕农28的选育与花培育种技术的改良 |
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| 引用本文： | 王成社,李景琦,邹淑芳.小麦新品种陕农28的选育与花培育种技术的改良[J].西北农林科技大学学报(社会科学版),2002,30(4):21-23,36. |
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| 作者姓名： | 王成社 李景琦 邹淑芳 |
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| 作者单位： | 西北农林科技大学农学院,陕西杨陵,712100 |
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| 基金项目： | 国家 8 63计划 (2 0 0 1AA2 410 3 7)，陕西省攻关项目 (2 0 0 1K0 2 -G2 -0 1) |
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| 摘 要： | 总结了选育陕农 2 8小麦新品种的经验教训 ,并通过陕农 2 8的选育及选育基因的理论分析对小麦花培育种的几个问题作了探讨。认为在目前小麦花药培养绿苗诱导率的基础上 ,单纯通过 F1 代花药培养改良小麦品种难度较大 ,育种效率非常低 ;将花药培养与常规系谱法结合运用 ,取常规系谱法 F3代优系花药培养 ,可以取长补短 ,提高花培目标基因型出现的几率 ,育种效率较高 ,这种方法虽然比 F1 代取材延长了时间 ,但选择几率加大 ,又比常规育种缩短了年限 ,仍然具有花药培养缩短育种年限的意义
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| 关 键 词： | 陕农28 小麦品种 花药培养 育种技术 |
| 文章编号： | 1000-2782(2002)04-0021-03 |
| 收稿时间： | 2002/1/18 0:00:00 |
Discussion on the improvement of haploid breeding from selecting new varieties of Shaannong 28 |
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| WANG Cheng she,LI Jing qi,ZOU Shu fang,YANG Jin rong,LIU Jun,YAN Wen xian,HUANG Xiao gang.Discussion on the improvement of haploid breeding from selecting new varieties of Shaannong 28[J].Journal of Northwest Sci-Tech Univ of Agr and,2002,30(4):21-23,36. |
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| Authors: | WANG Cheng she LI Jing qi ZOU Shu fang YANG Jin rong LIU Jun YAN Wen xian HUANG Xiao gang |
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| Institution: | (College of Agronomy,Northwest Sci Tech University of Agriculture and Forestry,Yangling,Shaanxi 712100,China) |
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| Abstract: | By means of breeding in the field and the analysis of gene frequency in different generations,the experience of selecting new variety of Shaannong28 was summarized and several problems of wheat anther culture breeding were discussed.The result showed that the breeding efficiency was very low and the improvement of wheat varieties by selecting F 1 generation anthers was very difficult on the basis of the present green plantlet frequency.Combining the anther breeding with the routine breeding and cultivating F 3 generation anthers,we could increase the frequency of aim genes and the breeding efficiency.Although this prolonged the generations of anther culture,it increased the selection frequency and reduced the fixed number of breeding years.The way was of tremendous significance for cutting down the fixed number of years in the anther culture breeding. |
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| Keywords: | Shaannong 28 wheat variety anther culture breeding technique |
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