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| 090 | _aB-7273 | ||
| 245 | 1 | 0 | _aMapping genetic factors affecting the reaction to Xanthomonas axonopodis pv. phaseoli in Phaseolus vulgaris L. under field conditions |
| 490 | 0 | _vGenome, 44(6), p.1046-1056, 2001 | |
| 520 | 3 | _aThe objectives of the present study were to evaluate the field effects of Xanthomonas axonopodis pv. phaseoli (Xap), which causes common bacterial blight (CBB)on common bean (Phaseolus vulgaris L.), and to identify genetic factors for resistance to CBB using a linkage map constructed with random amplified polymorphic DNA (RAPD), restriction fragment length polymorphism (RFLP), simple sequence repeat (SSR), and amplified fragment length polymorphism (AFLP)markers. One hundred and forty-two F2:4 lines, derived from a cross between 'OAC Seaforth' and 'OAC 95-4', and the parents were evaluated for their field reaction to CBB. In the inoculated plots, the reaction to CBB was negatively correlated with seed yield, days to maturity, plant height, hypocotyl diameter, pods per plant, and harvest index. A reduction in seed yield and its components was observed when disease-free and CBB-inoculated plots were compared. The broad-sense heritability estimate of the reaction to CBB was 0.74. The disease segregation ratio was not significantly different from the expected segregation ratio for a single locus in an F2 generation. The major gene for CBB resistance was localized on linkage group (LG)G5. A simple interval mapping procedure identified three genomic regions associated with the reaction to CBB. One quantitative trait loci (QTL), each on LG G2 (BNG71DraI), G3 (BNG21EcoRV), and G5 (PHVPVPK-1)explained 36.3 | |
| 650 | 1 | 4 | _aCOMMON BEAN |
| 650 | 1 | 4 | _aMOLECULAR MARKERS |
| 650 | 1 | 4 | _aCOMMON BACTERIAL BLIGHT |
| 700 | 1 | 2 | _aTarán, B. |
| 700 | 1 | 2 | _aMichaels, T.E. |
| 700 | 1 | 2 | _aPauls, P.K. |
| 856 | 4 | 0 |
_uhttps://drive.google.com/file/d/18DGT7YpwRk-zoG7TORVdFe3D_oeVEeLW/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx |
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