000 02968nab a22003857a 4500
001 G93502
003 MX-TxCIM
005 20230814220259.0
008 210804t2009 ne |||p|op||| 00| 0 eng d
022 _a1573-5060 (Online)
022 _a0014-2336
024 8 _ahttps://doi.org/10.1007/s10681-009-9897-4
040 _aMX-TxCIM
041 _aeng
090 _aCIS-5665
100 1 _9861
_aMahuku, G.
_gGlobal Maize Program
_8INT2822
245 1 0 _aGenetics of angular leaf spot resistance in the Andean common bean accession G5686 and identification of markers linked to the resistance genes
260 _aDordrecht (Netherlands) :
_bSpringer,
_c2009.
500 _aPeer review
500 _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0014-2336
520 _aAngular leaf spot (ALS), caused by the fungus Phaeoisariopsis griseola is an economically important and widely distributed disease of common bean. Due to the co-evolution of P. griseola with the large and small seeded bean gene pools, stacking Andean and Mesoamerican resistance genes is a strategy most likely to provide lasting resistance to ALS disease. This strategy requires identification and characterization of effective Andean and Mesoamerican resistance genes, and the development of molecular markers linked to these genes. This study was conducted to elucidate the genetics of ALS resistance in the Andean accession G5686 using an F2 population derived from a G5686 × Sprite cross. Segregation analysis revealed that three dominant and complementary genes conditioned resistance of G5686 to P. griseola pathotype 31-0. Three microsatellite markers, Pv-ag004, Pv-at007 and Pv-ctt001 segregated in coupling phase with the resistance genes in G5686. Microsatellites Pv-ag004 and Pv-ctt001, located on opposite ends of linkage group B04 segregated with resistance genes Phg G5686A , Phg G5686B at 0.0 and 17.1 cM, respectively, while marker Pv-at007, localized on linkage group B09 segregated with resistance gene Phg G5686C at 12.1 cM. Parental surveys showed that these markers were polymorphic in Andean and Mesoamerican backgrounds. The usefulness of G5686 ALS resistance genes in managing the ALS disease, and the potential utility of identified molecular markers for marker assisted breeding are discussed.
536 _aGlobal Maize Program
546 _aText in English
591 _aSpringer
594 _aINT2822
650 7 _2AGROVOC
_96337
_aLeaf spots
650 7 _2AGROVOC
_930874
_aPhaeoisariopsis griseola
650 7 _2AGROVOC
_92261
_aMicrosatellites
650 7 _2AGROVOC
_99039
_aPhaseolus vulgaris
700 1 _aIglesias, A.M.
_921852
700 1 _aJara, C.
_921853
773 0 _tEuphytica
_gv. 167, no. 3, p. 381-396
_dDordrecht (Netherlands) : Springer, 2009.
_wG444298
_x0014-2336
856 4 _yAccess only for CIMMYT Staff
_uhttps://hdl.handle.net/20.500.12665/382
942 _cJA
_2ddc
_n0
999 _c27885
_d27885