[1]赵宏亮,李琬,王萍,等.黑龙江省水稻耐低氮种质资源的筛选与评价[J].黑龙江农业科学,2018,(03):1-5.[doi:10.11942/j.issn1002-2767.2018.03.0001]
　ZHAO Hong-liang,LI Wan,WANG Ping,et al.Screening and Evaluation of Low-nitrogen Resistance Germplasm in Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(03):1-5.[doi:10.11942/j.issn1002-2767.2018.03.0001]
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黑龙江省水稻耐低氮种质资源的筛选与评价

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2018年03期 页码: 1-5 栏目: 出版日期: 2018-03-10
Title:
Screening and Evaluation of Low-nitrogen Resistance Germplasm in Heilongjiang Province
作者:
赵宏亮1; 李琬1; 王萍2; 王曼力1; 孙明明2; 李智媛2
1.黑龙江省农业科学院 耕作栽培研究所，黑龙江 哈尔滨 150086；2.黑龙江省农业科学院 信息中心，黑龙江 哈尔滨 150086
Author(s):
ZHAO Hong-liang1; LI Wan1; WANG Ping2; WANG Man-li1; SUN Ming-ming2; LI Zhi-yuan2
1.Institute of Crop Cultivation and Tillage, HeilongjiangAcademy of Agricultural Sciences, Harbin 150086,China；2.Information Center of Heilongjiang Academy of Agricultural Sciences, Harbin 150086,China
关键词:
水稻; 耐低氮; 农艺性状; 筛选指标; 评价
Keywords:
rice; tolerant to low nitrogen; agronomic characters; screening index; evaluate
DOI:
10.11942/j.issn1002-2767.2018.03.0001
文献标志码:
A
摘要:
为改良和培育水稻氮高效品种,提高黑龙江省水稻氮肥利用率，以62份黑龙江省水稻种质资源为材料，采用田间试验的方法，研究了低氮胁迫对水稻成熟期株高、有效穗数、穗长及其它产量因素的影响。结果表明：低氮胁迫对供试材料生长均发育均有不同程度的影响，除结实率、千粒重外，施氮处理的各性状观测平均值均高于不施氮处理，其中以株高、有效穗数、单株产量受到影响最大；根据供试材料主要农艺性状的相对指标差异及其相关性分析，认为株高、有效穗数、每穗粒数、生物产量、单株产量可作为供试材料耐低氮能力的筛选指标；利用耐低氮指数初步筛选获得氮敏感材料7014和耐低氮材料Q01、Q10、Q25、7003、7005、7009、7011、7021、7032。
Abstract:
In order to improve and cultivate rice-nitrogen efficient varieties, and raise the nitrogen fertilizer use efficiency in Heilongjiang province, we took 62 rice germplasms in Heilongjiang province as materials,and researched the effects of the low nitrogen stress on plant height, effective panicle number, panicle length and other production factors of rice at mature stage in field.The results showed that the low nitrogen stress had different effects on the growth of test materials, the average value of each traits of nitrogen treatment was higher than that of non-nitrogen treatment except the seed setting percentage and 1000-grain weight,and the plant height, effective panicle number and single plant yield had the greatest influence among them; The relative index difference of main agronomic characters and their correlation analysis results indicated that the plant height, number of effective panicles, number of grains per panicle, biomass yield and yield per plant could be used as screening indexes for the low nitrogen resistance of the experimental materials. We found out nitrogen sensitive materials 7014 and low-nitrogen resistance materials Q01,Q10,Q25,7003,7005,7009,7011,7021 and 7032 by preliminary screening of low-nitrogen resistance index.

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备注/Memo

收稿日期：2018-01-15基金项目：哈尔滨市科技创新人才资助项目（2015RQQYJ037）。第一作者简介：赵宏亮（1979-），男，博士，助理研究员，从事水稻栽培育种研究。E-mail：hongliang_1979@126.com。

更新日期/Last Update: 2018-05-02