000 02485nab a22003617a 4500
001 a63939
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022 _a1439-0523 (Revista en electrónico)
040 _aMX-TxCIM
090 _aLook
_bunder journal title
100 1 _aVillareal, R.L.
_9736
245 0 0 _aInheritance of threshability in synthetic hexaploid (Triticum turgidum x T. tauschii) by T. aestivum crosses
260 _c1996
340 _aPrinted
500 _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0179-9541
520 _aTriticum tauschii provides breeders with a valuable source of resistance and tolerance genes. Elucidation of the inheritance of traits in this species that hinder its use in breeding programmes is therefore of interest to wheat breeders. Inheritance of threshability was investigated in the crosses of four non-free-threshing (NFT) synthetic hexaploids (Triticum turgidum x T. tauschii) and two free-threshing(FT) T. aestivum cultivars during four crop seasons over 3 years at El Batan and Ciudad Obregon, Mexico. The parents, their F-1 hybrids and individual F-2 plant-derived F-3 progenies of the crosses revealed that 'Altar 84'/T. tauschii (219), 'Chen'/T. tauschii (205), 'Chen'/T. tauschii (224), and 'Duergand'/T. tauschii (214) have independently segregating loci with two dominant alleles controlling threshability. Intercrosses among the synthetics, except 'Altar 84'/T. tauschii(219), showed the genes to be allelic to each other. The cross between the FT cultivars showed no segregation in the F-3 generation, indicating common recessive genes. Based on these findings, population sizes of the synthetic-derived breeding materials should be increased to improve the chances of selecting FT desirable plants in the programme
546 _aEnglish
591 _a9705|John Wiley|R96ANALY|EE|Maria|Fdo|1
650 1 0 _aDisease resistance
_91077
650 1 0 _aGenetic inheritance
650 1 0 _92020
_aHexaploidy
_gAGROVOC
650 1 0 _aResearch projects
_91237
650 1 0 _aTilletia indica
650 1 0 _91296
_aTriticum aestivum
653 0 _aTriticum tauschii CIMMYT
700 1 _aMujeeb-Kazi, A.,
_ecoaut.
_9221
773 0 _tPlant Breeding
_gv. 115, no. 5, p. 407-409
700 1 _9661
_aRajaram, S.
_ecoaut.
856 4 _yAccess only for CIMMYT Staff
_uhttp://46.20.115.203/download/cis/18454.pdf
942 _cJA
_2ddc
999 _c18454
_d18454