Characterization of a pepper collection (Capsicum frutescens L.) from Brazil.

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Author(s): LIMA, M. F.; CARVALHO, S. I. C. de; RAGASSI, C. F.; BIANCHETTI, L. B.; FALEIRO, F. G.; REIFSCHNEIDER, F. J. B.

Summary: Germplasm banks are essential as sources of genetic variability for plant breeding programs. To characterize a Brazilian Capsicum frutescens collection, 21 malagueta and 5 Tabasco hot pepper accessions were evaluated under field and greenhouse conditions regarding morphological and molecular traits, as well as resistance to viruses. The incidence of viruses in field-grown plants varied among genotypes and according to virus species, from 5.6% (GRSV; CNPH 3286) to 100% (PMMoV; CNPH2871), and indicated some accessions as potential sources of virus resistance. These results demonstrate the genetic variability within the group of 26 hot pepper accessions, as well as virus-resistant genotypes that can be used in breeding programs.

Publication year: 2017

Types of publication: Journal article

Unit: Embrapa Vegetables

Keywords: Capsicum annuum var annuum, Cucumber mosaic virus, Germplasm conservation, Groundnut ringspot virus, Pepper yellow mosaic virus, Pimenta, Potato virus Y, Tomato spotted wilt virus, Variedade Malagueta, Variedade Tabasco, Virus

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