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GrainGenes Reference Report: PBR-123-39

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Reference	PBR-123-39
Title	Application of Triticum monococcum for the improvement of triticale resistance to leaf rust (Puccinia triticina)
Journal	Plant Breeding
Year	2004
Volume	123
Pages	39-42
Author	Sodkiewicz W Strzembicka A
Abstract	Summary: The aim of this work was to evaluate the leaf rust resistance introduced into introgressive triticale lines with Triticum monococcum genes, and to study the expression of these genes at the hexaploid level. The introgressive lines were developed by incorporating diploid wheat (T. monococcum s.s.) genes into hexaploid triticale LT 522/6 using the synthetic allotetraploid T. monococcum/Secale cereale (AmAmRR) as a bridging form. A group of 44 those lines, parental stocks and check cultivars were inoculated at the seedling stage (in a greenhouse) and at the adult-plant stage (in the field) with four pathotypes of Puccinia triticina. At the seedling stage the assessment of infection type showed that four lines had resistance to all pathotypes as high as in the T. monococcum donor. Adult plant examinations showed some introgressive lines with complete resistance and also lines with partial resistance, expressed in area under the disease progress curve (AUDPC) calculations as slow rusting. Some lines comprise low AUDPC with complete resistance at seedling stage
Keyword	adult [ Show all 32 ]

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