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_aCO-PlCIA _cCO-PlCIA |
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041 | _aeng | ||
050 | _aSB 327 .P5 | ||
245 | _aGenetic diversity, segregation and recombination in common bean (Phaseolus vulgaris L.) | ||
100 | _aParedes, Oscar M. | ||
700 | _aGepts, Paul L. | ||
008 | 120502t1994 000 0seng d | ||
300 | _ap. 60-68 | ||
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_aIn a second part. Variation for segregation and recombination was analyzed in crosses involving 13 bean parents from different gene pools and races. These parents revealed a moderate level of RFLPs (65 percent) in crosses it between Andean x Middle American compared with 16.7 percent in crosses between gene pools. EcoRV and Hindlll digests detected higher leveJs of polymorphism in crosses between Middle American and Andean genotypes, however EcoRI and Hindlll digests were more effficient in detecting higher levels of RFLP variation in crosses between Andean genotupes. Thesegregation of a set of RFLP markers belonging to linkage groups D5 and D 78 were analyzed in 11 F2 populations derived from Middle American pour Andean and Andean pour Andean crosses. The analyses showed an average level of 7.1 percent ofsegregation distortion for RFLPs compared with 28.6 percent for isozyme markersPreferential transmission of Middle American alleles were detected in all crosses analyzed between gene pools. The levels of recombination were highly variable among a subset of four of the 11 populations analyzed, which suggests that genetic variation for recombination may exist in common bean. _9eng |
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_aPhaseolus vulgaris _9eng |
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_aLand races _9eng |
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_aBiochemical polymorphism _9eng |
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_aGlobulins _9eng |
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_aGenetic distance _9eng |
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_aGenetic variation _9eng |
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_aSegregation _9eng |
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_aRecombination _9eng |
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_aChile _9eng |
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_aPhaseolus vulgaris _9spa |
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_aRazas indígenas _9spa |
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_aPolimorfismo bioquímico _9spa |
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_aGlobulinas _9spa |
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_aDistancia genética _9spa |
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_aVariación genética _9spa |
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_aSegregación _9spa |
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_aRecombinación _9spa |
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_aChile _9spa |
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_aBeans _9spa |
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_aCIAT Externos _9spa |
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_aFrijol _9spa |
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_aArticles in proceedings _9spa |
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_aArtículos en memorias _9spa |
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_aGenética vegetal y fitomejoramiento _9spa |
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_aPlant genetics and breeding _9eng |
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_tIn: Roca, William M.; Mayer, Jorge Edgard; Pastor Corrales, Marcial Antonio; Tohme M., Joseph (eds.). International Scientific Meeting Phaseolus Beans Advanced Biotechnology Research Network (2, 1993, Cali, Colombia). Phaseolus Beans Advanced Biotechnology Research Network: Proceedings _dCali, CO, Centro Internacional de Agricultura Tropical (CIAT), 1994 |
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998 | _aCATAL | ||
998 | _aFRIJOL | ||
653 |
_aBook chapters _9eng |
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_2lcc _cBKC |
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_c21524 _d21524 |