Published

2018-01-01

Yield heterosis and average fruit weight as a function of inbreeding in Cucurbita moschata Duch. ex Poir.

Heterosis del rendimiento y peso promedio de fruto en función de la endogamia en Cucurbita moschata Duch. ex Poir.

DOI:

https://doi.org/10.15446/agron.colomb.v36n1.66312

Keywords:

butternut squash, selection, heterobeltiosis, diallel crossing, inbred lines, hybrids. (en)
zapallo, selección, heterobeltiosis, cruzamientos dialelicos, lineas endogámicas, hibridos. (es)

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Authors

  • Javier Restrepo Universidad Nacional de Colombia - Sede Palmira - Facultad de Ciencias Agrarias
  • Franco Vallejo Universidad Nacional de Colombia - Sede Palmira - Facultad de Ciencias Agrarias
  • Edwin Restrepo Universidad Pontificia Bolivariana - Facultad de Ingeniería

In order to estimate the mean heterosis, mid parent heterosis and heterobeltiosis (HB), three diallel crossings of Cucurbita moschata were evaluated, each formed by six parents with three levels of inbreeding (S0, S1, S2). A randomized complete block experimental design was used with four replicates, arranged in split plots. The variables yield per plant (YPP) and average fruit weight (AFW) were analyzed. The hybrids between S1 or S2 inbred lines presented heterotic superiority regarding to those between S0 parents for the variables YPP and AFW. Likewise, the hybrids between S2 inbred lines reported heterotic superiority in comparison to those among S1 inbred lines, for such variables. The hybrids between S2 inbred lines that reported the highest expression levels of HB for YPP were P1xP3, P2xP6 and P1xP2, with values ranging between 131.42 and 98.24%; while the hybrids among S1 inbred lines that recorded the highest values of HB, for this same variable, were P3xP5 and P1xP5 with values of 191.71 and 139.29%, respectively. Furthermore, the hybrids between S2 and S1 inbred lines that registered the highest level of HB for AFW were P1xP3 and P1xP5 with values of 108 and 83.7%, respectively.

 

Para estimar la heterosis promedia, heterosis relativa y heterobeltiosis (HB) se evaluaron tres cruzamientos dialelicos de Cucurbita moschata, conformados cada uno por seis progenitores con tres niveles de endogamia (S0, S1, S2). Se utilizo el diseno experimental de bloques completos al azar con cuatro repeticiones y arreglo en parcelas divididas. Se analizaron las variables produccion por planta (PFP) y peso promedio del fruto (PPF). Los hibridos producidos entre lineas endogámicas S2 o S1 presentaron superioridad heterotica en comparacion a los hibridos formados entre padres S0 para PFP y PPF. Igualmente, los hibridos entre lineas endogamicas S2 reportaron para dichas variables superioridad heterotica con respecto a los hibridos entre lineas endogamicas S1. Los hibridos entre lineas endogamicas S2 que presentaron los mayores niveles de expresion de HB para PFP fueron P1xP3, P2xP6 y P1xP2 con valores entre 131.42 y 98.24%, respectivamente; mientras que los hibridos entre lineas endogamicas S1 que registraron los niveles mas altos de HB para dicha variable fueron P3xP5 y P1xP5 con 191.71 y 139.29%, espectivamente. Por otro lado, los hibridos entre lineas endogamicas S2 y S1 que registraron los niveles mas altos de HB para PPF fueron P1xP3 y P1xP5, con valores de 108 y 83.7%, respectivamente.

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How to Cite

APA

Restrepo, J., Vallejo, F. and Restrepo, E. (2018). Yield heterosis and average fruit weight as a function of inbreeding in Cucurbita moschata Duch. ex Poir. Agronomía Colombiana, 36(1), 5–12. https://doi.org/10.15446/agron.colomb.v36n1.66312

ACM

[1]
Restrepo, J., Vallejo, F. and Restrepo, E. 2018. Yield heterosis and average fruit weight as a function of inbreeding in Cucurbita moschata Duch. ex Poir. Agronomía Colombiana. 36, 1 (Jan. 2018), 5–12. DOI:https://doi.org/10.15446/agron.colomb.v36n1.66312.

ACS

(1)
Restrepo, J.; Vallejo, F.; Restrepo, E. Yield heterosis and average fruit weight as a function of inbreeding in Cucurbita moschata Duch. ex Poir. Agron. Colomb. 2018, 36, 5-12.

ABNT

RESTREPO, J.; VALLEJO, F.; RESTREPO, E. Yield heterosis and average fruit weight as a function of inbreeding in Cucurbita moschata Duch. ex Poir. Agronomía Colombiana, [S. l.], v. 36, n. 1, p. 5–12, 2018. DOI: 10.15446/agron.colomb.v36n1.66312. Disponível em: https://revistas.unal.edu.co/index.php/agrocol/article/view/66312. Acesso em: 28 may. 2024.

Chicago

Restrepo, Javier, Franco Vallejo, and Edwin Restrepo. 2018. “ ex Poir”. Agronomía Colombiana 36 (1):5-12. https://doi.org/10.15446/agron.colomb.v36n1.66312.

Harvard

Restrepo, J., Vallejo, F. and Restrepo, E. (2018) “ ex Poir”., Agronomía Colombiana, 36(1), pp. 5–12. doi: 10.15446/agron.colomb.v36n1.66312.

IEEE

[1]
J. Restrepo, F. Vallejo, and E. Restrepo, “ ex Poir”., Agron. Colomb., vol. 36, no. 1, pp. 5–12, Jan. 2018.

MLA

Restrepo, J., F. Vallejo, and E. Restrepo. “ ex Poir”. Agronomía Colombiana, vol. 36, no. 1, Jan. 2018, pp. 5-12, doi:10.15446/agron.colomb.v36n1.66312.

Turabian

Restrepo, Javier, Franco Vallejo, and Edwin Restrepo. “ ex Poir”. Agronomía Colombiana 36, no. 1 (January 1, 2018): 5–12. Accessed May 28, 2024. https://revistas.unal.edu.co/index.php/agrocol/article/view/66312.

Vancouver

1.
Restrepo J, Vallejo F, Restrepo E. Yield heterosis and average fruit weight as a function of inbreeding in Cucurbita moschata Duch. ex Poir. Agron. Colomb. [Internet]. 2018 Jan. 1 [cited 2024 May 28];36(1):5-12. Available from: https://revistas.unal.edu.co/index.php/agrocol/article/view/66312

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1. Javier Alonso Restrepo-Salazar, Franco Alirio Vallejo-Cabrera, Edwin Fernando Restrepo-Salazar. (2019). Combining ability as a function of inbreeding for fruit traits in Cucurbita moschata Duch. ex Poir.. Revista Facultad Nacional de Agronomía Medellín, 72(3), p.8983. https://doi.org/10.15446/rfnam.v72n3.77320.

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