PERFORMANCE AND ADAPTABILITY OF TWO YAM (Dioscerea Spp) VARIETIIES UNDER IFUGAO CONDITION

In the context of declining trend in yield output of yam (Dioscorea alata) in the Philippines in spite of high demand for export and domestic consumption, two preferred local varieties of D. alata (Kinampay - reddish purple flesh and reddish white flesh) was evaluated under Alfonso Lista Ifugao climatic condition for their adaptation and growth performance for yield. The experiment was laid out in randomized complete block design (RCBD) with two treatments representing the varieties and replicated four times. The result showed that the two varieties evaluated were suitable for planting in the experimental area (Potia, Alfonso Lista Ifugao). However, the purple variety recorded an average of 53.20 (days to emergency), 3.50 (vines per hill (4WAP), 68.25 cm (vine length) and 87.29% (disease resistance). This vigorous growth produced averaged tuber fresh weight of (3.95kilogrm), and a total yield of (18.25 kg/ha).