Evaluation of SRAP markers for mapping of Pisum sativum L.

AUTOR(ES)

Guindon, María Fernanda, Martin, Eugenia, Zayas, Aldana, Cointry, Enrique, Cravero, Vanina

FONTE

Crop Breed. Appl. Biotechnol.

DATA DE PUBLICAÇÃO

2016-09

RESUMO

Abstract Linkage maps have become important tools for genetic studies. With the aim of evaluating the SRAP (sequence-related amplified polymorphism) technique for linkage mapping in Pisum sativum L., a F2 mapping population derived from an initial cross between cvs. DDR11 and Zav25 were generated. A total of 25 SRAP primer combinations were evaluated in 45 F2 plants and both parental lines, generating 208 polymorphic bands/markers. The markers were analyzed by the chi-square goodness-of-fit test to check the expected Mendelian segregation ratio. The resulting linkage map consists of 112 genetic markers distributed in 7 linkage groups (LGs), covering a total of 528.8 cM. The length of the LGs ranged from 47.6 to 144.3 cM (mean 75.54 cM), with 9 to 34 markers. The linkage map developed in this study indicates that the SRAP marker system could be applied to mapping studies of pea.

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