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不同麦类种质资源苗期冠腐病抗性鉴定与分析 被引量:3

Identification and Analysis of Different Triticeae Crop Germplasm Resources Resistance to Crown Rot at Seedling Stage
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摘要 采用分生孢子悬浮液浸染法,对169份小麦和193份大麦种质材料进行苗期冠腐病接种鉴定。共鉴定出43份小麦抗病材料,占小麦供试材料的25.44%,其中普通小麦6份、小黑麦17份、硬粒小麦7份、野生小麦13份;鉴定出88份大麦抗病材料,占供试大麦材料的45.60%,其中栽培大麦11份、大麦农家种33份、野生大麦44份。结果表明,栽培品种和地方品种中抗病材料所占比例均比野生材料中的大,大麦中的抗病材料所占比例比小麦中的大。同时在野生材料中鉴定出一些抗性优异的种质材料,而栽培品种中鉴定出的抗病材料抗性表现一般。 The total of 169 wheat and 193 barley germplasm resources were evaluated for resistance to crown rot by inoculating spore suspension at seedling stage.There were 43 resistant wheat materials,accounting for 25.44% of tested wheat materials,including six common wheat,17 triticale,seven durum wheat and 13 wild wheat materials.88 resistant materials were identified in barley,accounted for 45.60% of barley test materials,including 11 cultivated barley,33 barley landrace and 44 wild barley materials.Anglicizing showed that in all the tested materials,the proportion of resistant material in cultivars and local varieties was larger than the wild materials;the proportion of resistant materials in barley was lager than that in wheat materials.However,the resistance of cultivars was medium,while excellent resistance was identified in a number of wild materials.This study indicated that some Triticeae germplasm resources had resistant genes which had a potential value for crown rot resistance breeding,and also provides a theoretical basis for study the loss of genetic diversity in the stream of crop evolution.
出处 《西北农业学报》 CAS CSCD 北大核心 2011年第9期31-34,88,共5页 Acta Agriculturae Boreali-occidentalis Sinica
基金 高等学校学科创新引智计划资助(111-2-16) "948"引进国际先进农业科学技术计划项目(2010-S15)
关键词 小麦 大麦 冠腐病 抗病鉴定 Wheat Barley Crown rot Identification of disease resistance
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同被引文献39

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