Volume 44 No. 1 January – June 2022

Editha G. Cagasan1*, Rotacio S. Gravoso1, Milagros C. Bales1, Ernesto F. Bulayog1, Elvira E. Ongy1 and Flordelaine T. Alao2 ABSTRACT Efforts to alleviate the productivity of marginal uplands necessitate the use of participatory approaches to identify development needs of the community. However, despite the popularity of participatory methods for assessing community resources and needs, the …

Surfacing development needs of a marginal upland community through participatory tools: The case of village in Samar, Philippines Read More »

Angela R. Escototo1 and Ulysses A. Cagasan1* ABSTRACT Conservation tillage is one of the crop production adaptation strategies for conserving soil and mitigating climate change. This study aimed to evaluate the effects of different tillage practices on the yield, soil properties, and pest incidence of corn varieties that would give optimum output. The experiment was …

The effects of different tillage practices on soil properties, yield and pest incidence of various Sweet Corn (Zea Mays L. Var. Saccharata) varieties Read More »

Eugene B. Lañada1*, Harvie P. Portugaliza1, Analyn I. Blanza2, Mercy Cheryll C. Espejo3 and Ma. Delia A. Pagente1 ABSTRACT A respiratory disease outbreak investigation was carried out from October to December 2015 in three broiler farms and two hatcheries in Leyte. Three- to seven-day-old chicks from farms were initially brought to CVM diagnostic laboratory for …

Conventional biotyping revealed Mycoplasma and antimicrobial resistant Escherichia coli and Salmonella isolates during disease outbreak in broiler farms and hatcheries in Leyte, Philippines Read More »

Jofil A. Mati-om*, Meriam B. Mati-om and Robelyn T. Piamonte ABSTRACT The bunchy top virus in Eastern Visayas has serverly reduced abaca production. Early and accurate detection of plant viral pathogens is an essential and crucial component for disease management. At present, there are no standard PCR conditions in the Eastern Visayas region for detecting …

PCR optimization for the detection of bunchy top virus of abaca (Musa textilis Nee) in Eastern Visayas Philippines Read More »

Lucia M. Borines1*, Nickie D. Duero1, Joy Adeline C. Nuñez1, Rezel Sagarino-Borines2, Reny G. Gerona1 and Sandra McDougall3 ABSTRACT TPhytoplasma diseases are found affecting vegetables in Eastern Visayas, Philippines. Identifying the insect vectors that transmit phytoplasma in the field is necessary for the management of this disease. This study was conducted to identify the vectors …

Insect vectors transmitting Phytoplasma to vegetables in Eastern Visayas Philippines Read More »

Gwendolyn Ban1*, Shamsul Akanda2 and Macquin Maino3 ABSTRACT Experiments were conducted in the laboratory, greenhouse, and field at the Papua New Guinea University of Technology (PNGUT) to assess the efficacy of Trichoderma harzianum against Rhizoctonia solani and Fusarium oxysporum. The dual culture of T. harzianum with R. solani and F. oxysporum isolated from the diseased …

Efficacy of Trichoderma harzianum against Fusarium oxysporum and Rhizoctonia solani on bean and tomato plants Read More »

Alminda Magbalot-Fernandez1* and Constancio C. De Guzman2 ABSTRACT This study aimed to determine the influence of potassium (K) fertilization on the functional components and antioxidant activity of 13-year-old ‘Magallanes’ pummelo [Citrus maxima (Burm. Ex Rumph.) Merr.]. The field experiment was conducted at South Davao Corporation (SODACO) farm, Davao City for 12-month duration. Five treatments with …

Influence of potassium fertilization on the functional components and antioxidant activity of pummelo [Citrus maxima (Burm. Ex Rumph.) Merr.] fruit Read More »

Julius Olayinka Ojetade1*, Ruth Oluwakemi Adegbenro1,Emmanuel Adeboye Adesemuyi2, Sikiru Adekoya Muda1 and Alani Adeagbo Amusan1 ABSTRACT Assessment of some sesquioxides in the upland soils in southwestern Nigeria was undertaken to evaluate their degree of weathering under humid tropical conditions. Samples were taken from genetic horizons of eight soil profile pits sited at different physiographic positions …

Assessment of sesquioxides status of some uplands soils in humid southwest Nigeria Read More »

Alminda Magbalot-Fernandez1* and Constancio C. De Guzman2 ABSTRACT This study aimed to determine the influence of potassium (K) fertilization on the functional components and antioxidant activity of 13-year-old ‘Magallanes’ pummelo [Citrus maxima (Burm. Ex Rumph.) Merr.]. The field experiment was conducted at South Davao Corporation (SODACO) farm, Davao City for 12-month duration. Five treatments with …

Influence of potassium fertilization on the functional components and antioxidant activity of pummelo [Citrus maxima (Burm. Ex Rumph.) Merr.] fruit Read More »