CONTENTS

Early Responses of Seven Dwarf Coconut Cultivars to Varying Levels of Ammonium Sulfate and Potassium Chloride Application

Tessie C. Nunez and Ricardo P. Bales

Reaction of Sweetpotato Genotypes to Botryodiplodia theobromae Pat. and Macrophomina phaseolina Tassi

Cristina E. Sajise and Carlito Palermo

Plantlet Regeneration from Meristems of Philippine Sweetpotato Varieties

Villaluz Z. Acedo

Processing and Utilization of Tropical Roots Crops I. Physico-chemical Characterization of Cocoyam Starches

Roberta D. Lauzon and Akiko Kawabata

Mass Production of Scotinophara coarctata Fab. Eggs for Mass Rearing Telenomus triptus (Nixon) Parasitoid

Victorio A. Perez and Merle B. Shepard

Socio-economic Aspects of Technological Change in Coconut Farming: The case of the Coconut Planting/ Replanting Program

Myrna M. Avila, Buenaventura B. Dargantes and Alana M. Abarca