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Floral Biology Studies in Habanero pepper ( Capsicum chinense Jacq.) to Implement in a Cross-Breeding Program

Author

Listed:
  • Laura P. Peña-Yam

    (Unidad de Bioquímica y Bilogía Molecular de Plantas, Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Chuburná de Hidalgo, Mérida CP 97205, Yucatán, Mexico)

  • Liliana S. Muñoz-Ramírez

    (Unidad de Bioquímica y Bilogía Molecular de Plantas, Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Chuburná de Hidalgo, Mérida CP 97205, Yucatán, Mexico)

  • Susana A. Avilés-Viñas

    (Unidad de Bioquímica y Bilogía Molecular de Plantas, Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Chuburná de Hidalgo, Mérida CP 97205, Yucatán, Mexico)

  • Adriana Canto-Flick

    (Unidad de Bioquímica y Bilogía Molecular de Plantas, Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Chuburná de Hidalgo, Mérida CP 97205, Yucatán, Mexico)

  • Adolfo Guzmán-Antonio

    (Unidad de Bioquímica y Bilogía Molecular de Plantas, Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Chuburná de Hidalgo, Mérida CP 97205, Yucatán, Mexico)

  • Nancy Santana-Buzzy

    (Unidad de Bioquímica y Bilogía Molecular de Plantas, Centro de Investigación Científica de Yucatán (CICY), Calle 43 No. 130, Chuburná de Hidalgo, Mérida CP 97205, Yucatán, Mexico)

Abstract

Knowledge of the reproductive biology of a species is fundamental in order to develop an efficient program of genetic improvement by hybridization. The viability of the pollen, anther dehiscence, receptivity of the stigma and the anthesis of 12 improved lines of Habanero pepper were studied to develop a cross-breeding program. Among the results, the greatest number of flowers in anthesis was quantified at 8:00 a.m. for most genotypes. The dehiscence of the anther differed significantly in stages evaluated, observing in flower buds 100% of the closed anthers. The receptivity was positive in all the stages evaluated (before, during and after anthesis) and in all the genotypes, the most outstanding being the genotype AKN-08, which presented 100% of receptivity in the three stages evaluated. The viability of the pollen varied among the different conservation times evaluated (0, 24 and 48 h) while the highest percentage of viability (80%) and the largest number of seeds per fruit (56) were obtained when recently collected pollen was used (0 time). These results will have an important repercussion on the improvement of the Habanero pepper by increasing the efficiency of the programs to obtain hybrids and/or improved varieties.

Suggested Citation

  • Laura P. Peña-Yam & Liliana S. Muñoz-Ramírez & Susana A. Avilés-Viñas & Adriana Canto-Flick & Adolfo Guzmán-Antonio & Nancy Santana-Buzzy, 2019. "Floral Biology Studies in Habanero pepper ( Capsicum chinense Jacq.) to Implement in a Cross-Breeding Program," Agriculture, MDPI, vol. 9(12), pages 1-14, November.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:12:p:249-:d:290978
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    Cited by:

    1. Liliana S. Muñoz-Ramírez & Laura P. Peña-Yam & Martha A. Álvarez-Gil & Lourdes G. Iglesias-Andreu & Susana A. Avilés-Viñas & Adriana Canto-Flick & Adolfo Guzmán-Antonio & Nancy Santana-Buzzy, 2020. "Selection of Habanero Pepper F1 Hybrids ( Capsicum chinense Jacq.) at the Yucatan Peninsula, Mexico with a High Potential for Different Markets," Agriculture, MDPI, vol. 10(10), pages 1-18, October.

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