Survey and damage assessment of banana cultivars infected with plant parasitic nematodes in Davao del Sur, Davao del Norte and Cebu Provinces - Zorilla, R.A.; Dizon, T.O.; Cruz, F.S. de la; Pinili, M.S.; Castillo, A.G.; Reyes, T.D.; Calderón, S.M.; Mundo, L.C. del; Waele, D. de; Bergh, Inge van den (IPB-UPLB (Philippines), 2007)