Morphological and genetic characterization of mango varieties in Mozambique
Abstract
157 words
Mangoes are economically important for Mozambique because
of adequate climatic conditions and international market
opportunities. This study compare morphological and AFLP
characterisation of 30 mango varieties from the Umbeluzi
research station, including some commercial varieties. The total
variation was lower using quantitative (89.4% similarity) than
qualitative data (60% similarity). The combined quantitative and
qualitative dendrogram had a total variation of 63% similarity
and clustered varieties in three subgroups based on high fruit
weight, high Brix content and low fruit weight. AFLP
characterisation used seven primers combinations, generating
207 data points and detecting 74.9% polymorphisms with an
average of 30 fragments per primer combination. The total
variation was low (72.49% similarity) and the dendrogram
showed five subgroups based on low fruit weight, dwarfness
and low Brix content, commercial varieties, high fruit weight
and roundish fruit shape. The combined morphological and AFLP
dendrogram was more accurate in clustering varieties based
on geographic origin within the country and from outside.
Subjects
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