Characterization of novel microsatellite markers in Musa acuminata subsp. burmannicoides, var. Calcutta 4.

AUTOR(ES)

MILLER, R. N. G.

FONTE

BMC Research Notes

DATA DE PUBLICAÇÃO

2011

RESUMO

Banana is a nutritionally important crop across tropical and sub-tropical countries in sub-Saharan Africa, Central and South America and Asia. Although cultivars have evolved from diploid, triploid and tetraploid wild Asian species of Musa acuminata (A genome) and Musa balbisiana (B genome), many of today's commercial cultivars are sterile triploids or diploids, with fruit developing via parthenocarpy. As a result of restricted genetic variation, improvement has been limited, resulting in a crop frequently lacking resistance to pests and disease. Considering the importance of molecular tools to facilitate development of disease resistant genotypes, the objectives of this study were to develop polymorphic microsatellite markers from BAC clone sequences for M. acuminata subsp. burmannicoides, var. Calcutta 4. This wild diploid species is used as a donor cultivar in breeding programs as a source of resistance to diverse biotic stresses.

ASSUNTO(S)

banana musa sp. varieties marcador molecular melhoramento genetico vegetal

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