Participatory evaluation of Guinea yam (Dioscorea cayenensis Lam.–D. rotundata Poir. complex) landraces from Benin and agro-morphological characterization of cultivars tolerant to drought, high soil moisture and chips storage insects - Loko, Y.; Adjatin, A.; Dansi, M.; Vodouhe, R.S.; Sanni, A. (Springer, 2015)