108个冬小麦品种(系)对叶锈病的抗性鉴定

Resistance Evaluation of the Leaf Rust of 108 Winter Wheats Varieties

以冬小麦品种普冰9946为对照,对平凉市农业科学研究所2006—2011年引进的108个冬小麦品种(系)进行了叶锈病田间抗性鉴定。结果表明,对叶锈病免疫的品种(系)6个,高抗品种(系)13个,中抗品种(系)22个,中抗及以上抗性水平的品种(系)占鉴定材料总数的38.0%。普遍率≤50%的品种(系)41个,占鉴定材料总数的38%;严重度≤50%的品种(系)78个,占鉴定材料总数的72.2%。

With winter wheat varieties were used as control, resistance of the leaf rust of 108 winter wheats varities were evaluated in Pingliang Institution of Agricultural Sciences, which introduced in 2006--2010 years. The results showed that 6 immune varieties （strains）, 13 high resistance varieties（strains）, 22 moderate resistance varieties（strains） on the the leaf rust of winter wheat , and all of them were accounted for 38%; and 41 varieties （strains） were the disease incidence of the leaf rust of wheat less than or equal to 50% , accounted for 38%; 78 varieties（strains） were the severity of the leaf rust of winter wheat less than or equal to 50% , accounted for 72.2%.