Ruben M. Gapasin

Professor Emeritus

[email protected]


  • Plant Pathology: Plant Management in Abaca,Corn, and other crops.
DegreeSchoolYear Graduated
PhD in Plant PathologyUniversity of the Philippines Los Baños1984
MS in Plant PathologyUniversity of the Philippines Los Baños1978
BS in Agriculture(Agricultural Economics)University of Southern Mindanao (USM)1974

YGapasin, R. M. 1978. Survey and identification of plant parasitci nematodes associated with sweetpotato and cassava in Leyte, Philippines. Ann. Trop. Res. 1:120-143.

Gapasin, R. M. and R. B. Valdez. 1979. Pathogenicity of Meloiodgyne spp. and Rotylenchulus reniformis on sweetpotato. Ann. Trop. Res. 1:20-26.

Gapasin, R. M. 1980. Reaction of Golden Yellow cassava to Meloiodgyne spp. Inoculation. Ann. trop. Res. 2:49-53.

Lopez, E. A., R. M. Gapasin and M. K. Palomar. 1981. Effect of different levels of Helicotylenchus nematode infestation on the growth and yield of sweetpotato. Ann. Trop. Res. 3:275-280

Gapasin, R. M. and L. Suicoi. 1984. Occurence of chlorotic spotting disease on some ViSCA sweetpotato hybrids. Ann. Trop. Res. 6:77-79