[1]赵凤民.杂草稻耐冷性状遗传规律研究[J].黑龙江农业科学,2010,(08):28-30.
　ZHAO Feng-min.Study on the Inheritance of Cold Tolerance Characters of Weedy Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2010,(08):28-30.
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杂草稻耐冷性状遗传规律研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2010年08 页码: 28-30 栏目: 出版日期: 2010-08-10
Title:
Study on the Inheritance of Cold Tolerance Characters of Weedy Rice
文章编号:
1002-2767(2010)08-0028-03
作者:
赵凤民
黑龙江省农业科学院 佳木斯水稻研究所,黑龙江 佳木斯 154026
Author(s):
ZHAO Feng-min
Jiamusi Rice Research Institute of Heilongjiang Academy of Agricultural Sciences,Jiamusi,Heilongjiang 154026
关键词:
耐冷性; 鉴定; 冷水反应指数; 配合力; 遗传力; 世代选择
Keywords:
cold tolerance;  identification;  cold response index;  combining ability;  heritability;  generation selection
分类号:
S511
文献标志码:
A
摘要:
以红长芒杂草稻、白长芒杂草稻、龙粳11、垦稻8号和绥粳3号为亲本材料，配制完全双列杂交。对亲本材料及杂交F1、F2孕穗期耐冷性进行鉴定。结果表明：杂草稻与栽培稻品种相比，优势在于冷水处理下结实率高、成穗率高、后熟快。在冷水处理下，对各组合F1抽穗期、株高、穗数、成穗率、穗粒数、结实率、千粒重、穗颈长、成熟天数等主要性状进行配合力分析，杂草稻多数性状的冷水反应指数值具有较高的一般配合力，以杂草稻作亲本的F1比普通栽培稻品种表现出较迟钝的冷水反应。在耐冷育种中，冷水处理下狭义遗传力高的性状为株高、千粒重和结实率等，且具有较高的一般配合力相对效应值，容易通过对亲本的选择获得所期望的后代,低世代选择效果好。
Abstract:
Red long awn weedy rice, white long awn weedy rice, Longjing 11, Kendao No.8 and Suijing No.3 were selected as parent materials, complete diallel cross was conducted. Cold tolerance in booting stage was identified with parent materials and their F1and F2 progeny. The results as follows:compared with cultivated varieties, the seed setting rate and the spike rate of weedy rice were higher than those of cultivated varieties, ripening was speeder than that of cultivated varieties with cold water treatment. The combining ability of main characters for F1 progeny of each cross combination such as heading date, plant height, spike number, spike rate, grain number per spike, seed setting rate, 1000-grain weight, neck length of spike and mature stage with cold water treatment were analyzed. Cold response index (CRI) of most characters for weedy rice had higher general combining ability. The cold water response of F1 progeny which weedy rice was the parent was more insensitive than that of cultivated varieties. In cold tolerance breeding, the narrow heritability of plant height, 1000-grain weight and seed setting rate were higher with cold water treatment, and the general combining ability of these characters was higher, in this case, the expected generation would be selected by parents selection, the effect of low generation selection would be better.

参考文献/References:

[1]姜健，李金泉，徐正进，等.水稻籼粳交主要性状遗传规律的研究[J]. 吉林农业科学 ,2001,26(2) ：3 - 6.

[2] 韩龙植，元东林，玄英实，等.水稻主要农艺性状的冷水反应遗传分析[J].中国水稻科学，2004，18(1)：23-28.

[3] 韩龙植，曹桂兰，黄钟斗，等.水稻芽期耐冷性与其他耐冷性状的相关关系[J].作物学报,2004(10)：990-995.


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备注/Memo

作者简介：赵凤民(1972-)，男，黑龙江省讷河市人，硕士，助理研究员，从事水稻育种研究。E-mail:sdszfm@163.com。

更新日期/Last Update: 2014-11-06