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Database of Abstracts of Theses and Dissertations of SEAMEO SEARCA Scholars
Showing 1211–1220 of 1,515 records
"Toxicity Screening of Various Plant Extracts Against Nematode Meloidognye Incognita Chitwood and Radopholus Similis Cobb and Characterization of their Nematicidal Components"
Solvent extracts of eight plant species were screened for toxicity against two economically important nematode genera, namely: Meloidogyne incognita Chitwood and Radopholus similis Cobb. The plant species were: Anthocephalus chinensis (Lamb.) Rich e... Read more.PhD in Plant Pathology (University of the Philippines Los Baños)"Characterization of Rice Straw as Substrate for Biomethanation"
The different treatments examined exhibited varying degrees of effect on the six different components of rice straw. The different treatments examined included chemical treatments using sodium hydroxide, ammonia, sodium hydroxide with... Read more.MS in Agricultural Chemistry (University of the Philippines Los Baños)"Correlates of Power Among Council Members in Selected Barangays of Northern Samar"
This study sought to find out the extent of power among the barangay (village) council members in 10 selected barangays in six municipalities of Northern Samar, Philippines. Specifically, it attempted to: 1) determine the personal and job-related... Read more.PhD in Community Development (University of the Philippines Los Baños)"Ecology of Coelomomyces Indicus Lyengar"
Surveys were conducted in Thailand and the Philippines for Coelomomyces indicus on anopheline hosts. In Thailand, only Anopheles vagus vagus Donits was observed to be infected with C. indicus. The percentage of infection was found in the... Read more.PhD in Entomology (University of the Philippines Los Baños)"Effects of Cropping History on Soil Erodibility of Kaingin Farms in Mt. Makiling, Laguna, Philippines"
Erosion is a major problem of kaingin farming, The study aimed to better understand the soil and other characteristics of kaingin areas of different cropping ages that affect erodibility. In the process, two other objectives were achieved... Read more.MS in Forestry (University of the Philippines Los Baños)"Gluability of Rotary-cut Veneers of Some Indonesian Woods Using Adhesives Extended with Nami and Cassava Flours"
Gluability in terms of veneer quality, wettability, and plywood quality of some Indonesian woods such as jati (Tectona grandis L.f.), meranti (Shorea spp.), mahoni (Swietenia macrophylla King), kamper (Dryobalanmops aromatica Gaertn f.), and damar... Read more.PhD in Forestry (University of the Philippines Los Baños)"Knowledge, Attitude, and Expectations of Coconut Farmers toward the Agrarian Reform Program in Northern Samar"
The study explored the sociodemographic, economic, and communication variables which determine the knowledge, attitude, and expectations of coconut farmers toward the agrarian reform program. It also described the existing tenurial arrangements among... Read more.MS in Agrarian Studies (University of the Philippines Los Baños)"Leaf Spot Disease of Kaatoan Bangkal (Anthocephalus Chinensis (Lamk.) A. Rich. Ex Walp.) at Seedling Stage"
The study on leaf spot disease of kaatoan bangkal (Anthocephalus chinensis (Lamk.) A. Rich. ex Walp.) at seedling stage was conducted at the Makiling Experimental and Demonstration Forest (MEDF) nursery in Los Baños, Laguna on 16 July 1981-22... Read more.MS in Forestry Management (University of the Philippines Los Baños)"Morpho-anatomical Development, Nitrogen and Starch Contents, and Auxin Levels Druing Graft Healing in Pili (Canarium Ovatum Engl.)"
The morpho-anatomical development during graft healing and union in pili (Canarium ovatum Engl.) was investigated. Four major events were observed weekly for four weeks in patch budding and monthly for four months in inarching. Apparent unioin was... Read more.PhD in Horticulture (University of the Philippines Los Baños)"Nutritional Requirements of White Lauan (Shorea Contorta Vid.) for Callus Initiation"
Eleven culture media were tested to induce callus initiation on sprout and shoot explants of white lauan (Shorea contorta Vid.). Among these, the best was Medium IX which was the only medium of Murashigo and Skoog tested that contained the organix... Read more.MS in Forestry (University of the Philippines Los Baños)