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P.A. Barroso

Publications of : P.A. Barroso
Plant Genetics   Research Article

Genetic effects of in vitro germination and plantlet development in chilli pepper

The objective of this study was to estimate the genetic effects on in vitro germination and development of chili peppers. For this, four genotypes (UFPB-132, -134, -137, and -390) were used as parents. They were crossed in a complete diallel scheme. The parents (4) and hybrid (12) seeds were germinated in glass bottles containing MS media. The following variables we.. Read More»

Genet. Mol. Res. 16(3): gmr16038869

DOI: 10.4238/gmr16038869

Plant Genetics   Research Article

Characterization and genetic diversity of pepper (Capsicum spp) parents and interspecific hybrids

    M.P.S.D. Costa, M.M. do Rêgo, A.P.G. da Silva, E.R. do Rêgo and P.A. Barroso

Pepper species exhibit broad genetic diversity, which enables their use in breeding programs. The objective of this study was to characterize the diversity between the parents of different species and their interspecific hybrids using morphological and molecular markers. The parents of Capsicum annuum (UFPB-01 and -137), C. baccatum (UFPB-72), and C. chinense (UFPB-.. Read More»

Genet. Mol. Res. 15(2): gmr.15027652

DOI: 10.4238/gmr.15027652

Plant Genetics   Research Article

Embryogenesis in the anthers of different ornamental pepper (Capsicum annuum L.) genotypes

    P.A. Barroso, M.M. Rêgo, E.R. Rêgo and W.S. Soares

The aim of this study was to relate flower bud size with microspore developmental stages and the induction of embryos in the anthers of different ornamental pepper (Capsicum annuum L.) genotypes. Flower buds were randomly collected and visually divided into three classes based on both petal and sepal size. The length and diameter of the bud as well as the length of the petal, sepal, and anther .. Read More»

Genet. Mol. Res. 14(4): 2015.October.26.32

DOI: 10.4238/2015.October.26.32

Plant Genetics   Research Article

Genetic divergence of physiological-quality traits of seeds in a population of peppers

    A.M.S. Pessoa, P.A. Barroso, E.R. do Rêgo, G.D.A. Medeiros, R.L.A. Bruno and M.M. do Rêgo

Brazil has a great diversity of Capsicum peppers that can be used in breeding programs. The objective of this study was to evaluate genetic variation in traits related to the physiological quality of seeds of Capsicum annuum L. in a segregating F2 population and its parents. A total of 250 seeds produced by selfing in the F1 generation resulting from crosses between.. Read More»

Genet. Mol. Res. 14(4): 2015.October.16.15

DOI: 10.4238/2015.October.16.15