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GrainGenes Reference Report: BRS-54-287

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Reference	BRS-54-287
Title	Association of gliadin protein pattern and rust resistance derived from Aegilops umbellulata Zhuk. in winter Triticum durum Desf
Journal	Breeding Science
Year	2004
Volume	54
Pages	287-290
Author	Ozgen M Yildiz M Ulukan H Koyuncu N
Abstract	An experiment was conducted to determine the relationships between gliadin composition and resistance to leaf ( Puccinia recondita ) and stem rust ( P. graminis f.sp. tritici ) diseases in tolerant Aegilops umbellulata cv. Acc. 165, susceptible Triticum durum cv. Kunduru 1149 and their resistant backcross derivative. Acc. 165 has a high level of resistance to leaf and stem rust in adult and seedling stages. Kunduru 1149 was very susceptible to each rust in both stages. The hybrid F SUB 1 , which was more similar morphologically to A. umbellulata than T. durum , exhibited resistance to both leaf and stem rusts in adult and seedling stages. The derivatives BC SUB 3 and BC SUB 3 F SUB 2 , which were similar to T. durum , were resistant to both rust diseases only during the seedling stage. Comparison of the gliadin band patterns of the resistant derivative (BC SUB 3 F SUB 2 ) with their parents showed the presence of similar 6 bands in both A. umbellulata and BC SUB 3 F SUB 2 (Kunduru 1149 did not include these bands) which suggests that resistant derivatives carrying the leaf and stem rust resistance genes have probably originated from A. umbellulata . On the other hand, 5 bands were completely different from those in the parents. Seven gliadin bands were transmitted from the mother, while 6 gliadin bands were transmitted from the father
Keyword	[ Hide all but 1 of 19 ] agriculture backcross biochemical markers derivatives disease resistance field crops fungal diseases gliadin introgression plant diseases plant pathogenic fungi plant pathogens protein resistance rust diseases seedling stage varietal resistance wild relatives winter

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