Genetic diversity in elite inbred lines of maize and its association with heterosis | Zendy

E.H. Fernandes | Zendy; Ivan Schuster | Zendy; Carlos Alberto Scapim | Zendy; Elisa Serra Negra Vieira | Zendy; Marlon Mathias Dacal Coan | Zendy

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Genetic diversity in elite inbred lines of maize and its association with heterosis

Author(s) -

E.H. Fernandes,

Ivan Schuster,

Carlos Alberto Scapim,

Elisa Serra Negra Vieira,

Marlon Mathias Dacal Coan

Publication year - 2015

Publication title -

genetics and molecular research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.356

H-Index - 48

ISSN - 1676-5680

DOI - 10.4238/2015.june.12.3

Subject(s) - heterosis , germplasm , hybrid , inbred strain , genetic diversity , biology , genetic distance , microsatellite , microbiology and biotechnology , genetics , genetic variation , agronomy , gene , population , allele , demography , sociology

The objective of the current study was to apply molecular markers (microsatellites) in the analysis of genetic diversity of 48 lines of the elite maize germplasm stored in the bank of the Cooperativa Central de Pesquisa Agrícola - Coodetec, PR, Brazil, and estimate the correlation between genetic distance and heterosis and hybrid performance from the crosses among these maize lines. Forty-four random primers were used and amplification of 124 polymorphic fragments was obtained. The expected findings from the correlation of the yield and heterosis with the genetic distance were non-significant. However, the results suggested that data from the extreme distances could be used in breeding for more productive crosses and heterotic hybrids. Thereby, molecular markers are efficient tools for predicting hybrid performance.

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