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Comparison of near-isogenic lines for anthracnose Are are genes in common bean, Phaseolus vulgaris L

By: Contributor(s): Material type: ArticleArticleLanguage: English Description: 36(1):251-256Subject(s): LOC classification:
  • 31717
 In: EuphyticaSummary: Se realizo un estudio para determinar si el gene Are, que controla la resistencia a la antracnosis (Colletotrichum lindemuthianum), tenia un efecto negativo en la madurez y el rendimiento debido a que los cv./lineas derivados del retrocruzamiento presentaban un rendimiento numericamente inferior y madurez mas tardia que los progenitores recurrentes resp. Se desarrollaron 3 pares de lineas de frijol casi isogenicas para el gene Are a partir de plantas Are are F2 del sexto retrocruzamiento de Seafarer, Fleetwood y Ex Rico 23. Se evaluaron las lineas casi isogenicas con los cv. recurrentes y con los cv./lineas derivados del retrocruzamiento. Los resultados de 11 ensayos realizados en 5 localidades durante 3 anos no mostraron evidencia de efecto contrario alguno del gene Are en las caracteristicas agronomicas evaluadas. (RA-CIAT)Summary: A study was undertaken to determine whether the Are gene controlling anthracnose (Colletotrichum lindemuthianum) resistance had an adverse effect on maturity and yield because backcross- derived cv./lines had numerically lower yield and later maturity than the resp. recurrent parent. Three pairs of common bean lines near-isogenic for the Are gene were developed from Are are F2 plants of the 6th backcross of Seafarer, Fleetwood, and Ex Rico 23. The near-isogenic lines were tested along with the recurrent cv. and backcross-derived cv./lines. The results showed no evidence of any adverse effect of the Are gene on the agronomic characteristics in 11 trails at 5 locations in 3 yr. (AS)
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Journal Article Journal Article CIAT Library Document collection CINFOS Document Collection CINFOS 31717 (Browse shelf(Opens below)) c.1 Short Loan 100042627
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Se realizo un estudio para determinar si el gene Are, que controla la resistencia a la antracnosis (Colletotrichum lindemuthianum), tenia un efecto negativo en la madurez y el rendimiento debido a que los cv./lineas derivados del retrocruzamiento presentaban un rendimiento numericamente inferior y madurez mas tardia que los progenitores recurrentes resp. Se desarrollaron 3 pares de lineas de frijol casi isogenicas para el gene Are a partir de plantas Are are F2 del sexto retrocruzamiento de Seafarer, Fleetwood y Ex Rico 23. Se evaluaron las lineas casi isogenicas con los cv. recurrentes y con los cv./lineas derivados del retrocruzamiento. Los resultados de 11 ensayos realizados en 5 localidades durante 3 anos no mostraron evidencia de efecto contrario alguno del gene Are en las caracteristicas agronomicas evaluadas. (RA-CIAT) spa

A study was undertaken to determine whether the Are gene controlling anthracnose (Colletotrichum lindemuthianum) resistance had an adverse effect on maturity and yield because backcross- derived cv./lines had numerically lower yield and later maturity than the resp. recurrent parent. Three pairs of common bean lines near-isogenic for the Are gene were developed from Are are F2 plants of the 6th backcross of Seafarer, Fleetwood, and Ex Rico 23. The near-isogenic lines were tested along with the recurrent cv. and backcross-derived cv./lines. The results showed no evidence of any adverse effect of the Are gene on the agronomic characteristics in 11 trails at 5 locations in 3 yr. (AS) eng

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