Title: Agronomic Traits and Wheat Leaf Rust Resistance of Ten Turkey Wheat Accessions
Abstract: To evaluate the leaf rust resistance and the application prospect of eight wheat cultivars from Turkey,the agronomic traits were surveyed in whole growth period for two years and forty-four near isogenic lines(or single gene lines)in Thatcher background with known wheat leaf rust resistance genes were used as differential hosts.All genotypes were inoculated with eight pathotypes of Puccinina triticina at seedling stage.The results indicated that Lr1,Lr3,Lr17,Lr20 and some unknown resistance genes might present in the 8 accessions.As revealed by 20 molecular markers closely linked or co-segregated with part of the known Lr genes,the 8 accessions from Turkey were postulated to carry 4 resistance genes,such as Lr1,Lr3,Lr17 and Lr20 in YJ000900,Lr1,Lr17 and Lr20 in YJ000906,Lr1 in YJ000901,YJ000902,YJ000904,YJ000905 and YJ000907.However,Lr9,Lr19,Lr20,Lr21,Lr24,Lr26,Lr28,Lr29,Lr34,Lr35,Lr37,Lr38 and Lr47 were not detected in the 8 accessions.The results showed that 8 wheat accessions from Turkey have poor resistance to wheat leaf rust,cold hardiness and lodging,and low production.These indicate that the test accessions are not suitable for releasing in China and for leaf rust resistance resource.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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