Myrna M. Avila, Buenaventura B. Dargantes and Alana M. Abarca ABSTRACT The beneficiaries of the National Coconut Planting/Replanting Program (NCP/RP) has been recipients of the program for 5 to 6 years. Their average project farm size was 1.05 hectares mostly located on flat terrain about 3 kilometers from the recipients’ residence. Majority of these farms …
Victorio A. Perez and Merle B. Shepard ABSTRACT Telenomus triptus (Nixon) (Hymenoptera: Scelionidae) is an efficient egg parasitoid of the Malayan black bug (MBB) Scotinophara coarctata (Fab.) (Hemiptera: Pentatomidae), a serious pest of rice in Palawan Island, Philippines. The success in mass rearing T. triptus is dependent on the availability of MBB eggs. The study …
Roberta D. Lauzon and Akiko Kawabata ABSTRACT Starch was produced from red and white cocoyams following the method developed by the Food Science Section of the Department of Agricultural Chemistry and Food Science (DAC-FS), VisCa, Baybay, Leyte. Purified starch sample were used in the analytical works. Granular size districbution and x-ray diffraction pattern determination were …
Villaluz Z. Acedo ABSTRACT The solidified Murashige and Skoog (MS) medium added with gibberellic acid (GA3) induced direct organogenesis without any callus formation of the meristems of sweetpotato, varieties VSP-1, VSP-2 and VSP-3. The optimum GA3 concentration varied with variety. On the other hand, benzylaminopurine as medium supplement caused profuse callus growth on the basal …
Plantlet Regeneration from Meristems of Philippine Sweetpotato Varieties Read More »
Cristina E. Sajise and Carlito Palermo ABSTRACT Sweetpotato genotypes were screened for resistence to Botryodiplodia theobromae Pat. and Macrophomina phaseolina Tassi, the two major postharvest pathogens found infecting sweetpotato roots during storage in the Philippines. The effect of different stages of maturity of sweetpotato plants on host resistance and the nature of postharvest disease development …
Tessie C. Nunez and Ricardo P. Bales ABSTRACT Seven dwarf coconut cultivars which were subjected to different levels of ammonium sulfate and potassium chloride application responded similarly to fertilization. Fertilization generally improved the growth and precocity of these cultivars with the fertilized palms developing bigger girths, taller stand and retaining more functional leaves than the …