000			02771nam a22003137a 4500
001			G94602
003			MX-TxCIM
005			20231018183727.0
008			121211s ||||f| 0 p|p||0|| |
040			_aMX-TxCIM
090			_aCIS-6157
100	1		_9871 _aBonnett, D.G. _gGlobal Wheat Program _8INT2902 _uPlant and Animal Genomes Conference, XVIII; San Diego, CA (USA); 9-13 Jan 2010. Abstracts of oral and poster presentations
245	0	0	_aVariation from wild relatives and progenitors in the CIMMYT wheat program
260			_c2010
300			_a1 page
520			_aIntrogressions from wild wheat relatives have been important sources of variation in the CIMMYT wheat program since its inception: Sr2 and 1B/1R two notable examples with major impact in developing world agriculture. Over 1,000 hexaploid breadwheats have been re-synthesized from progenitor species at CIMMYT over the past 20 years. These ?synthetics? have been a rich source of new variation for resistance or tolerance to a range of disease and abiotic stresses. Derivatives of these synthetics are beginning to be released as varieties in a number of developing countries. Alien segments carrying Sr24/Lr24, Sr25/Lr19, Sr26, Sr1A.1R, Sr38/Lr37/Yr17 are also used extensively in the CIMMYT wheat program conferring resistance to rust and also yield increases in some instances.|Introgression of variation from distant relatives and progenitor species continues to be a strong focus in the search for improved yield potential, nutrient-use efficiency and resistance or tolerance to biotic and abiotic stresses. New synthetics are being made to capture variation from species and accessions not present in existing synthetics; a substantial proportion based on the progenitors of durum wheat. A greater diversity of rye segments is being investigated as well as variation from Leymus and other wild relatives. Increasing use has been made of molecular analyses to identify which sources of variation should be priority targets and to better characterize variation already introgressed.|Details of current work on characterization and introgression of variation from wild relatives will be presented.
536			_aGlobal Wheat Program
546			_aEnglish
593			_aLucia Segura
594			_aINT2902|INT1511|INT2692|INT0599|INT0610
700	1		_aManes, Y., _ecoaut.
700	1		_aZaharieva, M., _ecoaut.
700	1		_aBraun, H.J. _gFormerly Global Wheat Program _8INT0599 _9824
700	1		_aSingh, R.P. _gGlobal Wheat Program _8INT0610 _9825
700	1		_aReynolds, M.P. _gGlobal Wheat Program _8INT1511 _9831
700	1		_9851 _aDreisigacker, S. _gGlobal Wheat Program _8INT2692
856	4		_yAccess only for CIMMYT Staff _uhttp://libcatalog.cimmyt.org/download/cis/G94602.pdf
942			_cPRO _2ddc
999			_c8007 _d8007