Glasshouse collection of sweet potato germplasm

At Roodeplaat, the ARC also maintains the only disease-indexed collection (genebank) of sweet potato in South Africa. The collection contains virtually all commercially grown cultivars, new improved varieties for African consumers and β-carotene rich varieties used in the crop-based approach to address vitamin A deficiency.  Due to yield loss by virus infection and other diseases, a disease-indexing scheme is currently operational at Roodeplaat in order to supply healthy planting material to the sweet potato industry.


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Sweet potato germplasm exhibits large variation in morphological traits as depicted by the fresh root and leaf morphology of cultivars Ndou and Impilo

More about the sweet potato disease-indexing scheme

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