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Phenotype variation of chile morphotypes (Capsicum annuum L.) native to Oaxaca, Mexico

Castellón Martínez E1, JC Carrillo-Rodríguez1, JL Chávez-Servia2, AM Vera-Guzmán2

1 Instituto Tecnológico del Valle de Oaxaca, Ex-Hacienda de Nazareno, Santa Cruz Xoxocotlán, Oaxaca, México, C.P. 71230. Tel. y Fax: (+52-951) 517-0444.
2 Instituto Politécnico Nacional, CIIDIR Unidad Oaxaca, Hornos # 1003 Santa Cruz Xoxocotlan, Oaxaca, México. C.P. 71230, e-mail: jchavezs@ipn.mx ; araverag@hotmail.com

* Corresponding Author:Address Correspondence to: J.C. Carrillo Rodriguez, e-mail: email

Phyton-International Journal of Experimental Botany 2014, 83(all), 225-236. https://doi.org/10.32604/phyton.2014.83.225

Abstract

Farmers’ role is important for the selection and conservation of the local diversity of native peppers (Capsicum annuum L.), which are distinguished by pod shape, plant traits, and show high levels of biogeographic and cultural heterogeneity. Our objective was to evaluate the phenotypic variation and postharvest changes of fruits in six morphotypes of native peppers from the Central Valleys of Oaxaca, Mexico. This would contribute information on the diversity of pepper landraces. Collection and characterization of plant and fruits were undertaken for 52 samples grouped into six morphotypes, under a completely randomized block design with three repetitions under greenhouse conditions. At harvest time, pod samples were collected to evaluate their postharvest response using physical parameters. Significant differences (p<0.05) were estimated among and within morphotypes (Chile de Agua, Nanche, Piquin, Solterito, Tabaquero and Tusta) for plant height, stem diameter, fruit size, average fruit weight, fruit number, and pod yield per plant. A similar pattern was determined in the coordinates of color L*, a*, b*, chroma index, hue angle and weight loss, at harvest time and nine days after storage under room temperature. Also, significant differences (Wilks’ Lambda < 0.01) were determined by discriminant analysis based on morphological and postharvest traits, for the Mahalanobis’ distances among morphotypes. Therefore, each morphotype is a different phenotypic unit.

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APA Style
E, C.M., Carrillo-Rodríguez, J., Chávez-Servia, J., Vera-Guzmán, A. (2014). Phenotype variation of chile morphotypes (capsicum annuum L.) native to oaxaca, mexico. Phyton-International Journal of Experimental Botany, 83(all), 225-236. https://doi.org/10.32604/phyton.2014.83.225
Vancouver Style
E CM, Carrillo-Rodríguez J, Chávez-Servia J, Vera-Guzmán A. Phenotype variation of chile morphotypes (capsicum annuum L.) native to oaxaca, mexico. Phyton-Int J Exp Bot. 2014;83(all):225-236 https://doi.org/10.32604/phyton.2014.83.225
IEEE Style
C.M. E, J. Carrillo-Rodríguez, J. Chávez-Servia, and A. Vera-Guzmán "Phenotype variation of chile morphotypes (Capsicum annuum L.) native to Oaxaca, Mexico," Phyton-Int. J. Exp. Bot., vol. 83, no. all, pp. 225-236. 2014. https://doi.org/10.32604/phyton.2014.83.225



cc Copyright © 2014 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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