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Articles 1 - 30 of 58
Full-Text Articles in Life Sciences
Application Of The Analytic Hierarchy Process And Geographic Information System In Selecting Sites For A Seafood Market Study, Shielameh Peralta-Milan, Osamu Baba, Severino Iii Salmo
Application Of The Analytic Hierarchy Process And Geographic Information System In Selecting Sites For A Seafood Market Study, Shielameh Peralta-Milan, Osamu Baba, Severino Iii Salmo
The Philippine Agricultural Scientist
Study site selection is essential for the success of many fisheries-related programs. A thorough site selection could provide transparency in the decision-making process and optimize resources. In this research, the analytic hierarchy process (AHP) approach was used to select sites for a market study of reef-associated seafood in Alaminos City, Northwestern Philippines. Out of the 10 coastal barangays, four (Lucap, Sabangan, Telbang, and Victoria) were initially chosen, and the difference between these sites and the priority sites generated from AHP was examined. Five decision criteria and 10 alternatives (coastal barangays) were analyzed to calculate priority weights using pairwise comparisons. The …
Effects Of Redrying Methods On The Milling Potential, Crude Protein And Total Phenolic Content, And Antioxidant Activity Of Stored Inorganic And Organically-Grown Paddy, Mary Ann Baradi, Jessica Solero, Clarence Dangcil, Gerome Corpuz, Marissa Romero
Effects Of Redrying Methods On The Milling Potential, Crude Protein And Total Phenolic Content, And Antioxidant Activity Of Stored Inorganic And Organically-Grown Paddy, Mary Ann Baradi, Jessica Solero, Clarence Dangcil, Gerome Corpuz, Marissa Romero
The Philippine Agricultural Scientist
This study sought to determine the effects of redrying techniques (no redrying or Control, 2-h, 4-h, and 6-h redrying with stirring every 30 min, Farmer's Practice or 6-h redrying with one stirring) on grain quality of stored inorganic and organic paddy rice as well as the redrying method that gives the best quality rice. PSB Rc82 rice harvested in October 2016 was used in the experiment conducted in February 2017. Quality parameters evaluated were moisture content, brown rice, total milled rice, crude protein content in percent, total phenolic content, and 2-2 diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity. PSB Rc82 paddy exposed …
Method For Calibrating An Arduino-Based Soil Moisture Sensor Using Van Genuchten’S Equation, Victorino A. Bato, John Osbert Alindogan
Method For Calibrating An Arduino-Based Soil Moisture Sensor Using Van Genuchten’S Equation, Victorino A. Bato, John Osbert Alindogan
The Philippine Agricultural Scientist
Instructions on building a do-it-yourself soil moisture sensor using Arduino microcontrollers abound on the Internet. These do-it-yourself soil moisture sensors are favorite projects by both plant and microcontroller enthusiasts because the parts are affordable and the end product is functional. In the absence of proper calibration, these soil moisture sensors cannot generate usable information on the status of plant-available-water in the soil. This research demonstrates the calibration of an Arduino-based soil moisture sensor using the soil moisture characteristic curve of a clay loam soil. Van Genuchten’s model was used to generate an equation and various parameters specific to the soil. …
Feeding Behavior Of Sweet Potato Weevil, Cylas Formicarius (Fabricius) (Coleoptera: Brentidae) On Three Sweet Potato, Ipomoea Batatas L. Cultivars Grown In Tarlac, Philippines, Jerah Mystica Novenario, Flor Ceballo-Alcantara
Feeding Behavior Of Sweet Potato Weevil, Cylas Formicarius (Fabricius) (Coleoptera: Brentidae) On Three Sweet Potato, Ipomoea Batatas L. Cultivars Grown In Tarlac, Philippines, Jerah Mystica Novenario, Flor Ceballo-Alcantara
The Philippine Agricultural Scientist
Sweet potato is grown in tropical countries for its edible tubers, which have become an essential food source. It is usually propagated through vine-cutting, which can be obtained from harvested plants or nurseries intended for cutting production only. The recurrent use of vines may cause increased weevil infestation. The crop is known to be infested with insect pests. More importantly, the sweet potato weevil, Cylas formicarius, targets the tubers, thus, causing the economic losses. Sweet potato farmers in Tarlac claim that only one sweet potato cultivar is being attacked by C. formicarius, however, it was found in this experiment that …
Evaluation Of The Aquacrop Model For Simulating Cotton Yield Under A Semi-Arid Environment And Different Field Management Practices, Ghorban Ghorbani Nasrabad, Meysam Abedinpour, Abotaleb Hazarjaribi
Evaluation Of The Aquacrop Model For Simulating Cotton Yield Under A Semi-Arid Environment And Different Field Management Practices, Ghorban Ghorbani Nasrabad, Meysam Abedinpour, Abotaleb Hazarjaribi
The Philippine Agricultural Scientist
Cotton plays an important role in increasing productivity in the agricultural sector and related industries in the province of Golestan, Iran. However, the cultivation areas decreased considerably in the last couple of decades due to the high costs of production, water scarcity, and climate change. To encourage sustainable increase in production, crop simulation models are parameterized for each region using observed field data. In this study, the AquaCrop model was calibrated and validated for cotton under different field management scenarios using data from a 3-yr field experiment, which was conducted at the research farm of the National Cotton Research Institute, …
Taxonomy Of Cassava (Manihot Esculenta Crantz) Mealybugs (Hemiptera: Pseudococcidae) - 1: Identification And Local Distribution Of The Predominant Species On Witches’ Broom-Diseased Plants In The Philippines, Ireneo L. Lit Jr., Cristian Lucañas, Joanne Langres, Lolita Dolores, Ruby Ana Laude, Merdelyn Caasi-Lit
Taxonomy Of Cassava (Manihot Esculenta Crantz) Mealybugs (Hemiptera: Pseudococcidae) - 1: Identification And Local Distribution Of The Predominant Species On Witches’ Broom-Diseased Plants In The Philippines, Ireneo L. Lit Jr., Cristian Lucañas, Joanne Langres, Lolita Dolores, Ruby Ana Laude, Merdelyn Caasi-Lit
The Philippine Agricultural Scientist
Samples of cassava (Manihot esculenta Crantz) plants infected with witches’ broom disease were gathered from 13 provinces in the Philippines. Mealybugs were observed to occur in nine out of the 13 cumulative samples. The most predominant among several mealybug species observed was identified as Pseudococcus jackbeardsleyi Gimpel and Miller. P. jackbeardsleyi is not yet known to transmit phytoplasma, especially the one causing cassava witches’ broom (CWB). However, its occurrence in almost 70% of the CWB-infected samples provides circumstantial evidence that it may be related to the spread of the pathogen. This formal report of identification is in support of the …
Protective Responses Of The Intestinal Epithelial Cell Line Ht-29 Cells Exposed To Dephosphorylated Salmonella Flagellin [Research Note], Heyeon Baik, Jaiesoon Cho
Protective Responses Of The Intestinal Epithelial Cell Line Ht-29 Cells Exposed To Dephosphorylated Salmonella Flagellin [Research Note], Heyeon Baik, Jaiesoon Cho
The Philippine Agricultural Scientist
This study aimed to describe the effects of Salmonella Typhimurium flagellin (SFL) dephosphorylated by sweet potato purple acid phosphatase (PAP) on the protective responses of the intestinal epithelial cell line HT-29 cells. The enzyme was reported to display a broad substrate specificity for various organic phosphorylated conjugates and phosphoproteins. Dephosphorylation of SFL by sweet potato PAP decreased to 35% in the presence of 0.05 mM vanadate as compared with the negative control (p < 0.05). Intact SFL and the SFL treated with sweet potato PAP did not remarkably induce the activation of caspase-3 in HT-29 cells at all the tested levels of the substrate. Intact SFL maximally induced the release of IL (interleukin)-8 in HT-29 cells at 1000 ng/mL (p < 0.05). However, the SFL treated with the enzyme inhibited the release of IL-8 at over 100 ng/mL of the substrate as compared with intact SFL, resulting in an approximately 8-fold decrease even at 1000 ng/mL (p < 0.05). The SFL treated with the enzyme decreased the activation of the total ERK1/2 in the cells to 1.9 and 1.7–fold at 10 and 1000 ng/mL of the substrate, respectively, as compared with intact SFL (p < 0.05). In conclusion, sweet potato PAP could be a promising tool for controlling excessive inflammation during Salmonella infection in animal husbandry, and the enzyme could be a safe alternative that can overcome the drawbacks of chemotherapy.
Growth, Yield, And Photosynthetic Dry Matter Remobilization Response Of Barley To Plant Growth Promoting Rhizobacteria (Pgpr) And Nitrogen, Abazar Abbasi, Shahram Mehri, Hossein Solimanzadeh, Saeid Alipour
Growth, Yield, And Photosynthetic Dry Matter Remobilization Response Of Barley To Plant Growth Promoting Rhizobacteria (Pgpr) And Nitrogen, Abazar Abbasi, Shahram Mehri, Hossein Solimanzadeh, Saeid Alipour
The Philippine Agricultural Scientist
A two-year factorial experiment based on a randomized complete block design with three replicates was carried out on barley cultivar LB-IRAN at the research farm of the Islamic Azad University, Ardabil, Iran, during the cropping years of 2019–2021, in order to survey the impact of plant growth-promoting rhizobacteria (PGPR) and nitrogen fertilizer on growth, yield, and remobilization of photosynthetic dry matter in barley. The first factor included five nitrogen levels: 0 (control), 25, 50, 75, 100 kg/ha net nitrogen; the second factor contained grain inoculations with four bacteria: no inoculation (control), Azotobacter chroococcum race 5, Azospirillum lipoferum race of, and …
Analysis Of The Potential Of Rice And Corn In Supporting Food Availability, Luh Pastiniasih, Ketut Sumantra, Ni Putu Pandawani, Putu Edi Yastika
Analysis Of The Potential Of Rice And Corn In Supporting Food Availability, Luh Pastiniasih, Ketut Sumantra, Ni Putu Pandawani, Putu Edi Yastika
The Philippine Agricultural Scientist
A region’s agricultural sector plays a strategic role in fulfilling its food needs with ideal nutrition. The potential of cereal commodities, specifically rice and corn, was identified based on the production level and competitiveness by district in Buleleng Regency, Indonesia. The regency’s potential to provide and support food security was also determined through a quantitative descriptive analysis of the Location Quotient (LQ), Shift Share Analysis (SSA), Localization Coefficients, and Levels of Food Availability by utilizing secondary data on cereal commodity production and population numbers over the course of 10 yr (2012–2021). Results showed that Sawan, Seririt, and Sukasada districts were …
Nutritional Evaluation Of Hydroponic Corn Fodder And Its Effect As Substitute For Feed Concentrates For Buffalo Calves, Charity I. Castillo, Phoebe Lyndia T. Llantada, Cyril P. Baltazar, Mary Rose D. Uy-De Guia, Reynald D. Amido, Arnel N. Del Barrio
Nutritional Evaluation Of Hydroponic Corn Fodder And Its Effect As Substitute For Feed Concentrates For Buffalo Calves, Charity I. Castillo, Phoebe Lyndia T. Llantada, Cyril P. Baltazar, Mary Rose D. Uy-De Guia, Reynald D. Amido, Arnel N. Del Barrio
The Philippine Agricultural Scientist
This study investigated the effects of hydroponic corn fodder on the growth performance of buffalo calves. Twelve Bulgarian Murrah buffalo calves were divided into two treatment groups: T1, fed with Napier grass and starter feed concentrates, and T2, fed with Napier grass, starter feed concentrates, and hydroponic corn fodder, replacing 50% of the starter feed concentrate. The study found no significant differences between the two groups' average total weight gain and average daily gain. However, the average daily feed intake was significantly higher in T2, possibly due to the tender and young nature of the hydroponic corn fodder. Dry matter …
Village-Level Processing Of Pangi (Pangium Edule Reinw.) Seeds By The Obu Manuvu Improves The Edibility And Level Of Some Nutritional Factors [Research Note], Rovi Gem E. Villame-Gayagas, Jennifer P. Fronteras, Maria Christna D. Nacar, Aaron P. Lorilla, Pedro A. Alviola Iv
Village-Level Processing Of Pangi (Pangium Edule Reinw.) Seeds By The Obu Manuvu Improves The Edibility And Level Of Some Nutritional Factors [Research Note], Rovi Gem E. Villame-Gayagas, Jennifer P. Fronteras, Maria Christna D. Nacar, Aaron P. Lorilla, Pedro A. Alviola Iv
The Philippine Agricultural Scientist
Pangi (Pangium edule Reinw) seed is known to be a poisonous material. However, it becomes safe for consumption after processing. This study determined the effect of village-level processing by the Obu Manuvu community of Marilog District, Davao City, Philippines on the antinutrient and nutritional composition of Pangi seeds. Processing methods involved washing with running water for about 15 s, boiling in water for 30 min, and soaking in flowing water in a nearby river overnight. Results showed that after processing, the levels of antinutrients such as cyanogenic glycosides and oxalates were reduced significantly (p < 0.05) by 99.15% and 78.23%, respectively. Further, the tannin content was also significantly reduced by 96.15%. The crude fat content significantly increased (p < 0.05) by about 54%. Crude ash and fiber decreased, while protein did not change significantly (p < 0.05). Minerals such as calcium and zinc increased (p < 0.05) by 221.43% and 64.39%, respectively while the iron and manganese levels remained unaffected. Findings of the study suggested that the processing method by the Obu Manuvu effectively reduces the level of antinutrients, thereby improving the edibility and safety of Pangi seeds. Further, the processing method improves the level of some nutrients, specifically crude fat, calcium, and zinc.
Exploring The Impact Of High-Temperature Stress On Physiological, Anatomical, Molecular, Productive, And Quality Parameters In Diverse Olive Cultivars, Bassam F. Alowaiesh, Taghreed S. Alnusaire
Exploring The Impact Of High-Temperature Stress On Physiological, Anatomical, Molecular, Productive, And Quality Parameters In Diverse Olive Cultivars, Bassam F. Alowaiesh, Taghreed S. Alnusaire
The Philippine Agricultural Scientist
Olive (Olea europaea L.) is one of the most important horticultural crops in Saudi Arabia. High temperatures are typical in most regions during the summer season. This study explored the effect of high temperatures on diverse olive cultivars (Manzanillo, Chemlali, and Picual) grown in three different geographical locations in Saudi Arabia (Sakaka, Basita, and Al-Qurayyat). Sakaka region was classified as a hot region, while the Basita and Al-Qurayyat regions were characterized by relatively mild or low temperatures. Genotypic components were assessed by studying Amplified Fragment Length Polymorphism (AFLP) molecular markers and physiological, anatomical, productive, and oil quality parameters. The …
Exploring The Nutritional, Antioxidant, And Lipid-Lowering Properties Of Saba Banana (Musa Acuminata X Balbisiana Bbb Group) Peels, Paul Alteo Bagabaldo, Liezl M. Atienza, Katherine Ann T. Castillo-Israel, Aimee Sheree A. Barrion, Antonio C. Laurena, Maria Amelita C. Estacio
Exploring The Nutritional, Antioxidant, And Lipid-Lowering Properties Of Saba Banana (Musa Acuminata X Balbisiana Bbb Group) Peels, Paul Alteo Bagabaldo, Liezl M. Atienza, Katherine Ann T. Castillo-Israel, Aimee Sheree A. Barrion, Antonio C. Laurena, Maria Amelita C. Estacio
The Philippine Agricultural Scientist
This study investigated the nutritional and functional components of ‘saba’ banana peel (SBP) to determine its health-promoting potential for special food applications. SBP has undergone analyses measuring proximate composition, vitamin C, antioxidant activity, phytochemical content, estimated glycemic index (eGI), pancreatic lipase inhibition, and cholesterol micellar solubility inhibition. Data were processed using SPSS v20 and expressed as mean ± SD. Proximate analysis showed that SBP contained 83.83 ± 1.06% moisture, 6.74 ± 0.83% crude fat, 5.58 ± 0.24% crude protein, 9.97 ± 0.04% total ash, 9.91 ± 0.10% crude fiber, and 60.08% nitrogen-free extracts. Vitamin C content was found to be …
Influence Of Capacity Building On Nutrition Sensitivity Of The Municipal Agriculture Development Plan In Calabarzon, Philippines, Kim Leonard G. Dela Luna, Maria Theresa M. Talavera, Leila S. Africa, Clarissa B. Juanico, Nancy A. Tandang, Marison Felicidad R. Dy
Influence Of Capacity Building On Nutrition Sensitivity Of The Municipal Agriculture Development Plan In Calabarzon, Philippines, Kim Leonard G. Dela Luna, Maria Theresa M. Talavera, Leila S. Africa, Clarissa B. Juanico, Nancy A. Tandang, Marison Felicidad R. Dy
The Philippine Agricultural Scientist
To improve the nutrition sensitivity of the Municipal Agriculture Development Plan (MADP) of Calabarzon, a one-group pre-test post-test design quasi-experimental study was conducted involving the Local Agriculture Planners (LAP) of 57 municipalities in the region from March to December 2021. Wilcoxon Paired Signed Rank was used to determine significant differences in the nutrition sensitivity of the MADP and level of knowledge, attitude, and self-efficacy of the LAP before and after the intervention. Binary logistic regression analysis was also performed to model the change in the level of the nutrition sensitivity of the MADP. The LAP's level of knowledge, attitude, and …
Yield Component Compensation As Affected By Seeding Rates In Dry Direct Seeded Rice, Crisanta S. Bueno, Rene B. Carandang, John Kenneth L. Motilla, Pompe C. Sta Cruz
Yield Component Compensation As Affected By Seeding Rates In Dry Direct Seeded Rice, Crisanta S. Bueno, Rene B. Carandang, John Kenneth L. Motilla, Pompe C. Sta Cruz
The Philippine Agricultural Scientist
Sustainability of the transplanted and flooded rice system is threatened by water and labor availability in many Asian countries including the Philippines. Dry direct seeding instead of transplanting is evolving as a viable crop establishment option to deal with labor and water shortages. Two experiments from July 2020 to June 2021 were conducted to determine the effect of different seeding rates [20 kg ha-1 (SR20), 40 kg ha-1 (SR40), 60 kg ha-1 (SR60), and 120 kg ha-1 (SR120)] on the growth, grain yield, and yield components of 2 rice varieties that were established through direct seeding …
Alternate Day Feeding As A Cost-Effective Strategy For Tank Culture Of The Pacific Shortfin Eel Anguilla Bicolor Pacifica, Frolan A. Aya, John Carlo L. Unida, Maria Rowena R. Romana-Eguia, Nerissa D. Salayo
Alternate Day Feeding As A Cost-Effective Strategy For Tank Culture Of The Pacific Shortfin Eel Anguilla Bicolor Pacifica, Frolan A. Aya, John Carlo L. Unida, Maria Rowena R. Romana-Eguia, Nerissa D. Salayo
The Philippine Agricultural Scientist
There is a growing interest in the aquaculture of tropical anguillid eels as an export commodity. However, studies on feeding strategies, and the present demand to reduce feed costs need to be addressed to ensure the economic viability of eel farming. In this study, the effects of daily (DF) and alternate day (ADF) feeding on growth, feed utilization, body composition, blood chemistry, liver and intestinal morphology, and economic viability in the Pacific shortfin eel Anguilla bicolor pacifica were examined. Each feeding group of 30 elvers (166.25 ± 16.23 g mean initial wt) were randomly stocked in triplicate 4 m3 …
Effects Of Polishing And Cooking On The Phytochemical Properties And Antioxidant Activities Of Selected Philippine Rice Cultivars [Research Note], Rodel M. Bulatao, Charleo S. Zapanta, Maricar B. Castillo, Reniel P. Tubera, Joel R. Salazar
Effects Of Polishing And Cooking On The Phytochemical Properties And Antioxidant Activities Of Selected Philippine Rice Cultivars [Research Note], Rodel M. Bulatao, Charleo S. Zapanta, Maricar B. Castillo, Reniel P. Tubera, Joel R. Salazar
The Philippine Agricultural Scientist
This paper evaluated the effects of different polishing times and regular cooking on the phytochemical properties and antioxidant activities of black rice Brillante, red rice Minaangan, and white rice NSIC Rc 160. Rice samples were polished for 0, 15, 30, and 45 s, and were cooked using their optimum cooking water ratio. The samples were then characterized for their phytochemical properties [total anthocyanin content (TAC), total phenolic content (TPC), and total flavonoid content (TFC)] and antioxidant activities [DPPH-radical scavenging activity (DPPH-RSA) and ferric reducing antioxidant power (FRAP)]. Pearson’s correlation analysis (PCA) was employed to determine the strength of …
Molecular Mimicry Of Noda Genes By An N-Acetylmuramoyl-L-Alanine Amidases Gene In A Nodule Forming Staphylococcus Cohnii [Research Note], Aberathne Herath Mudiyanselage Nadeeshani Ruwandika Aberathne, Wedage Methsala Madurangi Wedage, Dilantha Gunawardana
Molecular Mimicry Of Noda Genes By An N-Acetylmuramoyl-L-Alanine Amidases Gene In A Nodule Forming Staphylococcus Cohnii [Research Note], Aberathne Herath Mudiyanselage Nadeeshani Ruwandika Aberathne, Wedage Methsala Madurangi Wedage, Dilantha Gunawardana
The Philippine Agricultural Scientist
A rare, nodule-forming, Gram-positive bacterium (Sub4) was isolated from the forage and cover crop Pueraria phaseoloides, which aligned at 99.26% sequence identity to a partial 16S rDNA sequence of Staphylococcus cohnii sp. This was the first record of a strain/species of Staphylococcus capable of independent, unassisted nodule formation in a legume host. When a nodA gene was sought by PCR using a pair of gene-specific primers synthesized using a related (Firmicutes) Paenibacillus sp. nodA gene, the reaction yielded a PCR product of similar size but a distinct identity. The resulting ~400bp PCR product coded for a likely N-acetylmuramoyl-L-alanine amidase …
Disease-Reducing Effect Of Calcium Salts Against Postharvest Diseases Of Mango (Mangifera Indica L. Cv. Carabao) Fruits, Melissa P. Montecalvo, Mary Joy C. Mendoza, Teresita U. Dalisay
Disease-Reducing Effect Of Calcium Salts Against Postharvest Diseases Of Mango (Mangifera Indica L. Cv. Carabao) Fruits, Melissa P. Montecalvo, Mary Joy C. Mendoza, Teresita U. Dalisay
The Philippine Agricultural Scientist
Mango fruits (Mangifera indica L. cv. Carabao) are susceptible to fungal infection, resulting in postharvest diseases. Chemical pesticides are used for disease management but may have a health impact and are costly. Therefore, alternatives to chemical control are necessary to minimize health risks and losses due to postharvest diseases. This research presented the disease-reducing effect of calcium salts, calcium chloride (CaCl2) and calcium carbonate (CaCO3), against mango stem end rot (SER) (sometimes caused by Lasiodiplodia theobromae) and anthracnose (caused by Colletotrichum gloeosporioides sensu lato). In in vitro assays, mycelial growth of both pathogens …
Digestible And Metabolizable Energy In Ground Yellow Corn, Rice Bran, And Copra Meal Fed To 10 To 15 Kg Philippine Native Pigs (Benguet Strain), Mary Arnel D. Garcia
Digestible And Metabolizable Energy In Ground Yellow Corn, Rice Bran, And Copra Meal Fed To 10 To 15 Kg Philippine Native Pigs (Benguet Strain), Mary Arnel D. Garcia
The Philippine Agricultural Scientist
The experiment was conducted to determine the digestible energy (DE), metabolizable energy (ME), and apparent total tract digestibility (ATTD) of gross energy in ground yellow corn, rice bran, and copra meal when fed to Philippine native pigs. Nine barrows with an average initial bodyweight of 10 kg and ages ranging from 60 to 75 d old were housed individually in metabolism crates and randomly allotted to a triplicated incomplete 3 × 2 Latin square design with three diets and two periods. A corn-based diet containing 94.89% yellow corn and two diets containing 66.42% yellow corn and 30% rice bran or …
Allelopathy Of Faba Bean Cover Crop To Durum Wheat Under A Semi-Arid Environment, Oussama Oueslati, Arwa Zammali, Raed Hamdi, Ahlem Dhahri, Chaima Melliti, Moncef Ben Hammouda, Robert Kremer
Allelopathy Of Faba Bean Cover Crop To Durum Wheat Under A Semi-Arid Environment, Oussama Oueslati, Arwa Zammali, Raed Hamdi, Ahlem Dhahri, Chaima Melliti, Moncef Ben Hammouda, Robert Kremer
The Philippine Agricultural Scientist
Problems facing farmers practicing conservation agriculture in the semi-arid zone of Tunisia include appropriate cover crop selection, management of allelopathic effects affecting subsequent crop performance, and influence of seasonal variation on allelopathy expression. Allelopathy expressed by faba bean (Vicia faba L.) toward durum wheat [Triticum turgidum ssp. durum (Desf.) Husn.] was studied using bioassays during three growing seasons. The role of phenols in the expression of such potential was also investigated. Analyses of plant samples at three phenological stages (flowering, fruiting, senescence) revealed that leaves were most inhibitory. Allelopathic potential differed among plant components and phenological stages, with …
Development And Characterization Of Rice Lines Carrying Both Sub1 And Anaerobic Germination Tolerance: Sub1a Does Not Inhibit Ag [Research Note], Georgina V. Vergara, Abdelbagi M. Ismail
Development And Characterization Of Rice Lines Carrying Both Sub1 And Anaerobic Germination Tolerance: Sub1a Does Not Inhibit Ag [Research Note], Georgina V. Vergara, Abdelbagi M. Ismail
The Philippine Agricultural Scientist
Accelerated coleoptile elongation in flooded soils allowed seedling shoots to reach the water surface to maintain gas exchange and CO2 fixation. Rice genotypes with tolerance of flooding during germination (anaerobic germination, AG) exhibited fast coleoptile elongation as an escape mechanism. On the other hand, tolerance of complete submergence during the vegetative stage, conferred by SUB1A, involved growth retardation to conserve energy for maintenance metabolism, with resumption of growth upon de-submergence. Combining genes controlling flood tolerance at these two stages with contrasting mechanisms was necessary in flood-prone areas for protection during germination under direct seeding and during vegetative stage. …
Dry Matter Production Of Two Rice Cultivars With Contrasting Root Plasticity Expression Under Different Topographic Conditions Subjected To Soil Moisture Fluctuation, Stella Owusu Nketia, Roel Rodriguez Suralta, Yoshiaka Inukai, Shiro Mitsuya, Mana Kano Nakata, Peter Amoako Ofori, Dinh Thi Ngoc Nguyen, Akira Yamauchi
Dry Matter Production Of Two Rice Cultivars With Contrasting Root Plasticity Expression Under Different Topographic Conditions Subjected To Soil Moisture Fluctuation, Stella Owusu Nketia, Roel Rodriguez Suralta, Yoshiaka Inukai, Shiro Mitsuya, Mana Kano Nakata, Peter Amoako Ofori, Dinh Thi Ngoc Nguyen, Akira Yamauchi
The Philippine Agricultural Scientist
In rainfed lowland rice fields characterized by sloping terrains and the presence of a hardpan in a flat topography, plants are often exposed to soil moisture fluctuation (SMF) stress due to erratic rainfall patterns. Root plasticity is one of the key traits that play important roles in plant adaptation under such conditions. In this study, two contrasting genotypes, KDML105 and IRAT109, were examined to quantify the expression of plasticity in root branching at different positions in the toposequence (TP) and in a flat topography with a hardpan, both without a groundwater table, and subjected to SMF. Results showed that KDML105 …
Reproduction, Early Development, And Larval Rearing Of The Climbing Perch Anabas Testudineus (Teleostei: Anabantidae) In Captivity, Frolan A. Aya, Reylan C. Gutierrez, Luis Maria B. Garcia
Reproduction, Early Development, And Larval Rearing Of The Climbing Perch Anabas Testudineus (Teleostei: Anabantidae) In Captivity, Frolan A. Aya, Reylan C. Gutierrez, Luis Maria B. Garcia
The Philippine Agricultural Scientist
Induced spawning, early development, and larval rearing of the climbing perch Anabas testudineus were examined under captive conditions. Five female climbing perch [125.33 ± 3.27 mm SL; 70.67 ± 5.59 g BW] were paired with apparently mature males (108.50 ± 3.97 mm SL; 39.27 ± 4.70 g BW) and induced to spawn with 5,000 IU human chorionic gonadotropin (hCG) + 0.5 mL Ovaprim kg BW-1. All hCG + Ovaprim-injected fish spawned 9 – 11 h after hormone administration but saline-injected fish (control group) failed to spawn. Mean egg production per female, fertilization and hatching rates, and larval production …
Effect Of Vitamin C And Probiotics On Broilers Performance And Claudin-2 (Cldn-2) Expression Under Heat Stress [Research Note], Mohammad Chamani, Mohammad Chamani, Farhad Foroudi, Ali Asghar Sadeghi, Mehdi Aminafshar
Effect Of Vitamin C And Probiotics On Broilers Performance And Claudin-2 (Cldn-2) Expression Under Heat Stress [Research Note], Mohammad Chamani, Mohammad Chamani, Farhad Foroudi, Ali Asghar Sadeghi, Mehdi Aminafshar
The Philippine Agricultural Scientist
This study was conducted to investigate the effect of vitamin C and probiotic which consists of five species of beneficial bacteria and two species of fungi on performance, blood parameters, and intestinal CLDN-2 gene expression of broilers during heat stress (HS). A total of 400 broilers were randomly divided into five groups, each of which received a different treatment. The first group was considered a negative control and did not experience any HS (C-); the second group was considered a positive control (C+) and was exposed to HS; the third group received only vitamin C (250 …
Exogenous Application Of Growth Regulators Improves The Growth And Quality Of Dahlia Variabilis L., Shahbaz Khan, Naeem Abbas, Zuhair Hasnain, Sami Ullah, Imran Hussain, Afroz Rais, Muhammad Atif Ghafoor, Danish Ibrar, Sohail Irshad, Maham Saddique, Muhammad Amjad Bashir, Samra Naseem, Muhammad Musawir Khan, Jawaher Alkahtani
Exogenous Application Of Growth Regulators Improves The Growth And Quality Of Dahlia Variabilis L., Shahbaz Khan, Naeem Abbas, Zuhair Hasnain, Sami Ullah, Imran Hussain, Afroz Rais, Muhammad Atif Ghafoor, Danish Ibrar, Sohail Irshad, Maham Saddique, Muhammad Amjad Bashir, Samra Naseem, Muhammad Musawir Khan, Jawaher Alkahtani
The Philippine Agricultural Scientist
Dahlia (Dahlia variabilis L.), a bulb crop sold as cut flower, garden ornamental/potted plant, becomes a popular cut flower in the world. This experiment was designed to study the effects of foliar applied gibberellic acid, zinc, ascorbic acid, and thiamine on the growth and flower attributes of dahlia. The study was conducted under greenhouse conditions at the Floriculture Research Area, University of Agriculture, Faisalabad, Pakistan. There were thirteen treatment with three levels each; gibberellic acid, zinc sulphate, ascorbic acid, and thiamine. First, foliar application was done at vegetative stage (after 45 d of transplantation) and second, at the flowering …
Angiotensin I-Converting Enzyme Inhibitory And Antioxidative Activities Of The Bioactive Peptides In The Crude Salt-Soluble Protein Hydrolysates Of Pili Nut (Canarium Ovatum Engl.) Cv. Mayon Kernel, Ella Mae Gamba, Lawrence Yves Uy, Mary Ann Torio
Angiotensin I-Converting Enzyme Inhibitory And Antioxidative Activities Of The Bioactive Peptides In The Crude Salt-Soluble Protein Hydrolysates Of Pili Nut (Canarium Ovatum Engl.) Cv. Mayon Kernel, Ella Mae Gamba, Lawrence Yves Uy, Mary Ann Torio
The Philippine Agricultural Scientist
The in silico enzyme digestion and peptide function annotation of pili nut (Canarium ovatum Engl.) 11S globulin protein sequence revealed the presence of bioactive peptides with antihypertensive and antioxidative activities. Molecular docking simulations showed that the proline-histidine (PH) ligand can better inhibit angiotensin I-converting enzyme (ACE) activity than captopril. This result was verified through biochemical assays. Pili kernel protein was extracted with 0.5 M NaCl buffer using the modified Osborne fractionation method, which yielded 100 mg of protein per gram of defatted pili kernel determined via Bradford assay. SDS-PAGE suggested that the protein extract had a major legumin-like (11S) …
Behavior Changes And Lc50 Of Dried Garlic (Allium Sativum) Acute Toxicity In Nile Tilapia (Oreochromis Niloticus) Juvenile [Research Note], Gregoria Erazo Pagador, Haydee Rose Dumaran Paciente, Blan Jericho Caloyloy
Behavior Changes And Lc50 Of Dried Garlic (Allium Sativum) Acute Toxicity In Nile Tilapia (Oreochromis Niloticus) Juvenile [Research Note], Gregoria Erazo Pagador, Haydee Rose Dumaran Paciente, Blan Jericho Caloyloy
The Philippine Agricultural Scientist
Plant-based compounds are emerging substitutes for chemical treatments in aquaculture since they are known to cause less harm to both the environment and its organisms. Garlic (Allium sativum) is a popular herb that has a broad range of uses, especially in the control and treatment of bacterial and parasitic diseases. However, its toxicity to tilapia is not well-studied. Hence, this study was conducted to test the toxicity levels of garlic powder in juvenile Nile tilapia (Oreochromis niloticus) by determining the cumulative mortality and median lethal concentration (LC50). Test fish were exposed through immersion in …
Variability Of Cost And Return Of Dry Direct Seeded Lowland Rice In Major Rainfed Growing Areas In The Philippines, Oliver C. Ocampo, Hazel Anne F. Makahiya, Marjorie V. Pamplona, John Kenneth L. Motilla, Niño Paul Meynard C. Banayo, Crisanta S. Bueno, Pompe C. Sta. Cruz
Variability Of Cost And Return Of Dry Direct Seeded Lowland Rice In Major Rainfed Growing Areas In The Philippines, Oliver C. Ocampo, Hazel Anne F. Makahiya, Marjorie V. Pamplona, John Kenneth L. Motilla, Niño Paul Meynard C. Banayo, Crisanta S. Bueno, Pompe C. Sta. Cruz
The Philippine Agricultural Scientist
This study was conducted to evaluate the variability of net income and return on investment (ROI) as affected by grain yield, cost of production, and gross income across provinces wherein the mechanized dry direct seeding technology was being deployed. The study was conducted during 2019 wet season involving 54 sites from 14 provinces with farmers practicing mechanized dry direct seeding technology under rainfed lowland condition. Grain yield varied (0.72 – 6.73 t ha-1) across provinces and within each province. Total cost of production varied (PhP 23032 – 43421 ha-1) across provinces. Most sites in Cagayan had …
Physico-Chemical Characteristics Of Ensiled Cassava (Manihot Esculenta Crantz) And Sweetpotato (Ipomoea Batatas L. (Lam.)) Foliage, And Fermentation Kinetics Of Cassava Silage, Arnel N. Del Barrio, Christian V. Lualhati, Kimberly I B. Turaja, Ralph Jovi B. Saldajeno, Mauricio P. Bayubay Jr, Chesa A. Elenterio, Babylyn T. Salazar, Gerard F. Guadayo, Kamla Zyra G. Lavadia, Menandro M. Loresco
Physico-Chemical Characteristics Of Ensiled Cassava (Manihot Esculenta Crantz) And Sweetpotato (Ipomoea Batatas L. (Lam.)) Foliage, And Fermentation Kinetics Of Cassava Silage, Arnel N. Del Barrio, Christian V. Lualhati, Kimberly I B. Turaja, Ralph Jovi B. Saldajeno, Mauricio P. Bayubay Jr, Chesa A. Elenterio, Babylyn T. Salazar, Gerard F. Guadayo, Kamla Zyra G. Lavadia, Menandro M. Loresco
The Philippine Agricultural Scientist
This study was conducted to determine the physico-chemical characteristics of ensiled cassava (Manihot esculenta Crantz) and sweetpotato (Ipomoea batatas L. (Lam.)) foliage with or without additives molasses and rice bran. Six treatment combinations were from two crop species (cassava and sweetpotato) and three additives (without additive, 10% molasses, and 10% rice bran). The physical (color, odor, texture) and chemical characteristics (pH, total soluble sugars, Flieg point, dry matter, organic matter, ash, crude protein, NDF, ADF, hemicellulose) of the samples were evaluated following standard procedures. Fermentation kinetics of cassava foliage silage and ruminal in situ DM degradability of cassava …