Fig.4.

Networks of dissemination of the top eight cultivars sold during the 2014 growing season in terms of number of transactions reported. All sellers and villages surveyed are represented in each network, whereas filled nodes represent sellers and villages involved in the sale or purchase of the specified cultivar. Unfilled villages did not access a given variety in 2014 through this surveyed seed network. Node shade indicates white-fleshed landraces (darker) and orangefleshed sweet potato (lighter) cultivars.