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Sampling and characterization of pepper chilli (Capsicum spp) in Tabasco, Mexico

Castañón-Nájera2 G, L Latournerie-Moreno3, M Mendoza-Elos4, A Vargas-López5, H Cárdenas-Morales6
Parte del proyecto titulado: Exploración y Colecta de la Diversidad de Capsicum spp en Tabasco, México, Financiado por Fondos Mixtos-CONACYT, Clave proyecto TAB-2003-C03-11527.
Guillermo Castañón-Nájera. Fitomejorador, Profesor-Investigador, DACBiológicas, Universidad Juárez Autónoma de Tabasco, Villahermosa, Tabasco, México. Dirección Carretera Villahermosa-Cárdenas Km 0.5 Entronque Bosques de Saloya, Villahermosa, Tabasco, México. C. P. 86139. Tel y Fax. 01-933-3-58-15-79 y 01-933- 3-54-43-08.
Address Correspondence to: e-mail: guillermo_corazon_valiente@hotmail.com.
Luis Latournerie-Moreno. Fitomejorador, Profesor-Investigador del Instituto Tecnológico Conkal, Conkal, Yucatán. Km. 16.5 Antigua Carretera Mérida-Motul. C. P. 97345.
Mariano Mendoza-Elos. Fitomejorador, Profesor-Investigador del Instituto Tecnológico Roque. Carretera Celaya-San Miguel de Allende. C. P. 38110.
5,6 Abdón Vargas-López, Hilario Cárdenas-Morales. Licenciado y Pasante de Biología. División Académica de Ciencias Biológicas (DACBiol). Universidad Juárez Autónoma de Tabasco (UJAT). Carretera Villahermosa-Cárdenas Km. 0.5 Entronque Bosques de Saloya, Villahermosa, Tabasco, México. C. P. 86139. Tel y Fax. 01-933-3-58-15-79 y 01-933- 3-54-43-08.

Phyton-International Journal of Experimental Botany 2008, 77(all), 189-202. https://doi.org/10.32604/phyton.2008.77.189

Abstract

A morphological characterization in situ of Capsicum spp was made in 13 localities in the state of Tabasco, México, during 2004 and 2005. The objective was to sample and identify different morphotypes of chilli pepper which grow under wild and cultivated conditions. Eleven chilli pepper morphotypes were found. Most of them were wild (Amashito, Corazón de pollo, Muela, Garbanzo, Garbanzo raro and Desconocido) and corresponded to C. annuum. Another morphotype was half wild (Picopaloma) and corresponded to C. frutescens. The remaining morphotypes corresponded to C. annuum and C. chinenese. Data were analyzed with multivariate statistics. Principal component analysis (PCA) indicated that 88% of total morphological variation was explained with the four principal components. This analysis grouped the wild morphotypes in one group and the commercial morphotypes in another one. Cluster analysis (CA) allowed classification of the morphotypes in contrasting groups; clustering occurred primarily because of the manner in which morphotypes were growing under cultivated or wild conditions. As a result, commercial morphotypes formed a different group than wild morphotypes. In other words, in general, grouping of morphotypes was similar to that when PCA was used. Using either PCA or CA, Color of anthers, Flower position and Fruit width were the variables which most participated in clustering of the morphotypes.

Keywords

Capsicum spp, Pepper chilli Morphotypes, Multivariate methods, Morphological differences, Multivariate Normality

Cite This Article

, C., Mendoza-Elos, M., Vargas-López, A., Cárdenas-Morales, H. (2008). Sampling and characterization of pepper chilli (Capsicum spp) in Tabasco, Mexico. Phyton-International Journal of Experimental Botany, 77(all), 189–202.

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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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