论文

粘类小麦雄性不育系F_1结实性状的遗传分析

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  • 1. 西北农林科技大学,陕西省作物杂种优势研究与利用重点实验室, 陕西杨凌 712100;
    2. 塔里木大学,植物科技学院, 新疆阿拉尔 843300
牛娜(1977-),女,陕西商洛人,在读博士,主要从事小麦分子细胞遗传与杂种优势利用研究.

收稿日期: 2009-12-26

  网络出版日期: 2014-10-14

基金资助

国家自然科学基金(30170576);陕西省"十五"杂种小麦攻关(2005K01);杨陵生物技术育种中心专项基金资助项目(99-1A);2009年唐仲英育种基金;2009年西北农林科技大学科研启动基金

Genetics Analysis on F_1 Fecundity of Male Sterile Lines of Nian Group in Wheat

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  • 1. Key Laborarary of Crop Heterosis, Shaanxi Province, Northwest Science University of Agriculture and Forestry, Yangling 712100, China;
    2. College of Plant Science and Technology, Tarim University, Alar 843300, China

Received date: 2009-12-26

  Online published: 2014-10-14

摘要

采用MINQUE统计方法、加性显性(AD)及其与环境互作的遗传模型,对粘类小麦雄性不育系和恢复系杂交F_1小穗两边结实数、中间结实数等结实性状进行了分析.结果表明,粘类小麦雄性不育系育性恢复性主要以加性效应为主,其次是显性效应,加性方差占表现型方差的比例变幅为38%~48%;不育系(V)-90-110、(Ven)-90-110、(K)-224、(V)-224所配制的组合,在2个结实性状上,包括国内法、国际法,平均结实率均具有正向显著或极显著的加性效应,亲本5253、02-7-215、00--247、M8003具有使不育系恢复度提高的加性效应;双亲加性效应高的组合多数表现出其显性效应比较差;国际法恢复度高的组合(K-224×5253),究其原因是双亲国际法恢复度的加性效应高,尤其亲本5253国际法恢复度的加性效应在供试材料中是最高的,其显性效应也较高(3.14%);粘类小麦雄性不育系杂交结实率的高低与环境的互作相对较小,育性恢复性在年份间的表现比较稳定.

本文引用格式

牛娜, 张改生, 梅拥军, 马守才, 李红霞 . 粘类小麦雄性不育系F_1结实性状的遗传分析[J]. 华北农学报, 2010 , 25(1) : 88 -93 . DOI: 10.7668/hbnxb.2010.01.017

Abstract

Some seed set characters of genetic variances,such as seed set in both sides、seed set in the middle of F_1 spikelets from sterile lines and restoring lines of Nian group(with Ae.kotschyi,Ae.variabilis,Ae.ventricosa and Ae.bicornis cytoplasms) in wheat for two years are analyzed by the genetic model of additive-dominance(AD) and their interactions with environments by MINQUE(1) approaches.Additive effects was the main behavior to the fertility restoration performance of male sterile lines of Nian group in wheat(the range of additive variance to phenotype variance were 38%-48%),and the next was the dominance effects.The seed set characters of some combinations from sterile lines(V)-90-110,(Ven)-90-110,(K)-224,(V)-224 had positively significant or the most significant additive effects,the parents 5253,02-7-215,00-6-247,M8003 had the additive effects of making the restoring degree increased.In general,the combinations with higher additive effects of two parents were lower in dominance effects.The restoring degree of international method was high,because the additive effects of the restoring degree of international method of two parents were high,especially the additive effects of the restoring degree of international method for 5253 was the highest in all materials,and its dominance effects was higher(36.14%).There was small interaction between the environment and the rate of seed set of male sterile lines of Nian type in wheat,fertility restoration performance was more stable between years.

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