Volume 39 No. 2 July – December 2017

Vulnerability of Farm Households to Impacts of the Abaca Bunchy Top Disease: A Case in Leyte, Philippines

Jedess Miladel N. Salomon* ABSTRACT The abaca bunchy top disease (ABTD) has destroyed thousands of hectares of abaca farms, leading to the decline in agriculture and economic production of farmers and their households. This paper frames the widespread disease incidence as a disaster and analyzes the factors that made farm households in Barangay Pinamonoan, an …

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Physico-chemical and Functional Properties of Two Jackfruit (Artocarpus heterophyllus Lam.) Varieties in Eastern Visayas, Philippines

Lorina A. Galvez1* and Erlinda I. Dizon2 ABSTRACT Quality is a wide-ranging concept determined by many factors. It is a composite of those physical and chemical properties of the material which govern its acceptability and processing suitability. This study aimed to determine the physico-chemical and functional properties of the two jackfruit varieties (EVIARC Sweet and …

Physico-chemical and Functional Properties of Two Jackfruit (Artocarpus heterophyllus Lam.) Varieties in Eastern Visayas, Philippines Read More »

Effect of Drying Methods on the Physico-chemical Characteristics and Antioxidant Capacity of Taro, Sweetpotato, Stevia and Malunggay Leaves

Inish Chris P. Mesias*, Julie D. Tan, Daniel Leslie S. Tan and Benjamin L. Cinto, Jr. ABSTRACT Fresh leaves are sensitive to high temperature so that appropriate drying method should be selected to dry leaves. This study aimed to determine the effect of drying methods on the physico-chemical characteristics and antioxidant capacity of taro (Colocasia …

Effect of Drying Methods on the Physico-chemical Characteristics and Antioxidant Capacity of Taro, Sweetpotato, Stevia and Malunggay Leaves Read More »

Acetylcholinesterase Activity in Nile Tilapia (Oreochromis niloticus Linn.) Following Exposure to Carbamate Insecticide

Ris Menoel R. Modina* ABSTRACT Acetylcholinesterase (AChE) activities were determined as affected by exposure to sublethal doses of fenobucarb (BPMC) on Nile tilapia. Fish were exposed for different periods, namely: 0, 7, 14, 21, and 28 days. AChE activities of brain and muscle tissues were measured spectrophotometrically. The sublethal doses of the insecticide did not …

Acetylcholinesterase Activity in Nile Tilapia (Oreochromis niloticus Linn.) Following Exposure to Carbamate Insecticide Read More »

Dried Poultry Manure as Non-Protein Nitrogen Additive of Napier Grass (Pennisetum purpureum Schumach) Silage Fed to Sheep

Clarita Ecleo Morbos1, Sulpecio C. Bantugan2 and Lolito C. Bestil2* ABSTRACT The study was conducted to describe the physical characteristics of napier grass silage added with dried poultry manure (DPM) as non-protein N source, and to assess its acceptability and digestibility in sheep. Three types of silages were evaluated: T1 – napier grass alone, T2 …

Dried Poultry Manure as Non-Protein Nitrogen Additive of Napier Grass (Pennisetum purpureum Schumach) Silage Fed to Sheep Read More »

Microbial Respiration as Indicator of Soil Quality of Different Land Uses in Cienda, Gabas, Baybay City, Leyte

Jessa May T. Malanguis1, Cheryl C. Batistel1* and Marlito Jose M. Bande2 ABSTRACT Land use conversion affects soil ecosystem quality and balance, which can be reflected by microbial activities. This study was conducted to assess the effectiveness of microbial respiration as indicator of soil quality of different land uses, reforestation site, agricultural land and grassland, …

Microbial Respiration as Indicator of Soil Quality of Different Land Uses in Cienda, Gabas, Baybay City, Leyte Read More »

Evaluation of Sugarcane-Based Land Utilization Types in Negros Occidental, Philippines

Clea Anne V. Corsiga1*, Rodrigo B. Badayos2, Pearl B. Sanchez2, Erlinda S. Paterno2 and Pompe C. Sta. Cruz2 ABSTRACT Five major soil series (Guimbalaon, Isabela, Luisiana, San Manuel, and Silay) in Negros Occidental were studied to identify the different sugarcane-based land utilization types (LUTs) in the province; determine the physical and chemical characteristics of different …

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Organic Acid Profile of “Batuan” (Garcinia binucao [Blco] Choisy) Fruit

Elizabeth S. Quevedo1*, Erlinda I. Dizon2 and Florinia E. Merca3 ABSTRACT “Batuan” fruit (Garcinia binucao [Blco.] Choisy), an indigenous acidulant grown in the Visayas State University, Baybay City, Leyte was analyzed for its organic acid profile at different stages of maturity for the development of potential food and non-food products. The analysis of organic acid …

Organic Acid Profile of “Batuan” (Garcinia binucao [Blco] Choisy) Fruit Read More »

A New Phenol Glycoside from Root Exudates of Peperomia pellucida L. HBK. and its Role in Plant Invasion

Suparna Mandal Biswas1*, Nabanita Chakraborty1, Soma Rani Patra2 and Prasanta C. Bhowmik3 ABSTRACT Peperomia pellucida is an annual, shallow-rooted, succulent, delicate, glabrous herb. It is a native weed species of tropical North and South America, and it is now pantropic in distribution and abundant in India as an invasive aggressive colonizer. Medicinal properties of the …

A New Phenol Glycoside from Root Exudates of Peperomia pellucida L. HBK. and its Role in Plant Invasion Read More »

Occurrence and Damage of Broad Mites (Polyphagotarsonemus latus Banks) in Sweet Pepper (Capsium annuum L.) in Samoa

Leikitah K. Naituku1, Manuel K. Palomar1* and Elio Jovicich2 ABSTRACT Broad mites regularly infest sweet pepper crops in the tropics. A survey was carried out to assess the incidence broad mite infestation in sweet pepper crops in Upolu, Samoa. The population density of broad mites was related to plant development stages with the highest number …

Occurrence and Damage of Broad Mites (Polyphagotarsonemus latus Banks) in Sweet Pepper (Capsium annuum L.) in Samoa Read More »

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