[1]王晓东,王茂青,王红霞.寒地水稻种质资源稻瘟病抗性研究[J].黑龙江农业科学,2014,(05):7-12.
　WANG Xiao dong,WANG Mao qing,WANG Hong xia.Research on Rice Blast Resistance of Rice Germplasm Resources in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2014,(05):7-12.
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寒地水稻种质资源稻瘟病抗性研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2014年05 页码: 7-12 栏目: 出版日期: 2014-05-10
Title:
Research on Rice Blast Resistance of Rice Germplasm Resources in Cold Region
文章编号:
1002-2767（2014）05-0007-06
作者:
王晓东; 王茂青; 王红霞
黑龙江省农垦科研育种中心，黑龙江 哈尔滨 150036
Author(s):
WANG Xiaodong; WANG Maoqing; WANG Hongxia
Land Reclamation Research and Breeding Center of Heilongjiang，Harbin，Heilongjiang 150036
关键词:
水稻; 种质资源; 稻瘟病抗性
Keywords:
rice(Oryza sativa); germplasm resources; rice blast resistance
分类号:
S435.111.4+1
文献标志码:
A
摘要:
为了筛选出优异的水稻稻瘟病抗性材料，收集并整理我国黑龙江省、吉林省、辽宁省以及日本、韩国共203份水稻种质资源，按照不同的育成时期、来源进行分类，利用2 a的抗病鉴定结果进行资源评价。结果表明：旱育稀植时期育成的品种稻瘟病抗性有很大的提高，韩国的水稻资源有更好的稻瘟病抗性。资源的年际间抗性有差异，应对材料进行多年、多点的鉴定。因此，在利用自然条件对育种材料抗稻瘟病筛选后，用接菌的方式对自然感病筛选出的未发病材料进行接菌鉴定能提高抗病鉴定的准确性。
Abstract:
In order to select the outstanding resistance materials against rice blast,203 rice varieties from Japan,Korea and China including Heilongjiang,Jilin and Liaoning provinces were categorized according to the time of breeding and source.Rice blast resistance of these germplasm resources in two years was investigated.The results showed that the blast resistance of rice varieties raised rapidly in dry raising and sparse planting stage,meanwhile,the rice blast resistance of varieties from Korea was stronger than that from other regions.The rice blast resistance level appeared various in different year,so the rice varieties should be evaluated in different years and areas.Inoculation indentification by Magnaporthe oryzae under natural environment promoted the accuracy for blast resistance.

参考文献/References:

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备注/Memo

 收稿日期：2014-01-13

第一作者简介：王晓东（1981-），男，吉林省怀德县人，硕士，助理研究员，从事水稻遗传育种研究。E-mail：bdhrice@163.com。

更新日期/Last Update: 2014-08-07