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2018

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Articles 1291 - 1320 of 1411

Full-Text Articles in Agriculture

Competition Issues In The Chicken Meat, Chicken Egg, And Pork Markets Of The Philippines, Cenon D. Elca, Prudenciano U. Gordoncillo, Charis Mae T. Neric, Janine P. Curibot Jan 2018

Competition Issues In The Chicken Meat, Chicken Egg, And Pork Markets Of The Philippines, Cenon D. Elca, Prudenciano U. Gordoncillo, Charis Mae T. Neric, Janine P. Curibot

Journal of Public Affairs and Development

This study probed the supply chains of the Philippine markets for chicken meat, chicken egg, and pork; and identified several competition issues that present or may potentially lead to violations of the Philippine Competition Act (PCA). In the chicken meat supply chain, vertical integration in the production segment through contract growing was found to likely lead to an oligopolistic market and possible abuse of dominant position, one of the prohibited acts under PCA. There were reports that such abuse may already be in play in its transportation and consolidation segments. The practice in livestock auction markets to simply formalize pre-arranged …


Overcoming Challenges In Earthquake Preparedness In Panay Island In The Philippines Through Good Governance, Ramil B. Atando Jan 2018

Overcoming Challenges In Earthquake Preparedness In Panay Island In The Philippines Through Good Governance, Ramil B. Atando

Journal of Public Affairs and Development

Disaster risk reduction is a major concern especially among developing and underdeveloped countries. This case study reviewed the governance strategies in place to manage the potential impacts of a magnitude 7.0 earthquake in Panay Island, which is home to more than 2 million inhabitants. National and local government offices engaged in disaster management provided the secondary data needed for this case study. Key informant interviews were conducted to collect salient information on governance strategies employed such as on fund sources and major players. Triangulation was employed to enhance the analysis and credibility of this research. Among the key findings is …


Gendered Relations And Time-Use: Perspectives From Selected Households Of Philippines’ Pantawid Pamilyang Pilipino Program In Calauan And San Pablo City, Laguna, Maria Kristina G. Alinsunurin Jan 2018

Gendered Relations And Time-Use: Perspectives From Selected Households Of Philippines’ Pantawid Pamilyang Pilipino Program In Calauan And San Pablo City, Laguna, Maria Kristina G. Alinsunurin

Journal of Public Affairs and Development

On meeting education and health targets, conditional cash transfer programs are consistent with their intended development impacts. However, gendered outcomes remain to be in the periphery of the discourse. This paper aims to analyze the gender relations within cash transfer program households, focusing on the Pantawid Pamilyang Pilipino Program (4Ps). Through a time-use analysis approach and using qualitative information from in-depth household interviews and observations, the study examines how women grantees use their time and how this reflects gendered elements on intra-household relations. Results reveal that a) meeting program co-responsibilities have an impact on their household tasks, especially in supporting …


Multidimensional Approach In Identifying Best Practices And Initiatives For Organic Agriculture Promotion In The Philippines, Marianne R. De Luna, Edna Luisa A. Matienzo, Myrna A. Tenorio Jan 2018

Multidimensional Approach In Identifying Best Practices And Initiatives For Organic Agriculture Promotion In The Philippines, Marianne R. De Luna, Edna Luisa A. Matienzo, Myrna A. Tenorio

Journal of Public Affairs and Development

Various efforts of different organizations to promote organic agriculture (OA) were being implemented even before the enactment of Organic Agriculture Act of 2010 in the Philippines. This paper used case studies to document and analyze best practices in OA promotion using a multidimensional approach. The case studies include: a) Provincial Initiative: Organic Village Model in Victorias City, Negros Occidental; b) Municipal Level Experience: Tublay, Benguet’s Program in Promoting and Implementing Organic Agriculture; and c) Private Sector Initiative: The Sta. Josefa Integrated Organic Farmers Association’s (SJIOFA) Experience in Implementing an Organic Agriculture Program. The case studies showcased a combination of strategies …


Insights Into The Interaction Of Copper Oxide Nanopar-Ticles With Sweetpotato (Ipomoea Batatas (L.) Lam.): The Role Of Lignin On Copper Uptake And Translocation, Nestor Javier Bonilla Bird Jan 2018

Insights Into The Interaction Of Copper Oxide Nanopar-Ticles With Sweetpotato (Ipomoea Batatas (L.) Lam.): The Role Of Lignin On Copper Uptake And Translocation, Nestor Javier Bonilla Bird

Open Access Theses & Dissertations

Sweetpotato [Ipomoea batatas (L.) Lam.] is widely cultivated in many countries worldwide. The world production of sweetpotato is around 127 billion tons and it is ranked seventh in the world as a staple food. After harvesting, sweetpotato storage roots are treated with fungicides to prolong shelf life. Lignin plays an important role in the conservation of the storage roots. One of the practices to activate the lignification pathway is called “curing process.” The roots are placed under 80% relative humidity at a temperature of 29 ºC for a period of 7 to 15 days, followed by a cooling period at …


Smallholder Farmers, Environmental Change And Adaptation In A Human-Dominated Landscape In The Northern Highlands Of Rwanda, Apollinaire William Jan 2018

Smallholder Farmers, Environmental Change And Adaptation In A Human-Dominated Landscape In The Northern Highlands Of Rwanda, Apollinaire William

Antioch University Dissertations & Theses

Climate change and crop intensification are key challenges to the livelihoods and wellbeing of the majority of rural smallholder farmers in developing countries, particularly in human-dominated, climate-sensitive landscapes such as the northern highlands of Rwanda where issues of fluvial floods, soil erosion pose serious threats to the livelihoods of smallholder farmers. In this mixed methods study conducted between August and December 2015, I explored smallholder farmers’ perceptions by examining what barriers might hinder the process of agroforestry adoption by smallholder farmers, what socio-economic and physical factors and attitudes influence crop choices, motivations for smallholder farmers’ willingness to plant trees within …


Predicting Energy And Water Consumption On Dairy Farms Through Statistical Analysis And Machine-Learning Methods, Philip Shine Jan 2018

Predicting Energy And Water Consumption On Dairy Farms Through Statistical Analysis And Machine-Learning Methods, Philip Shine

Theses

With the abolishment of milking quotas across all European Union member states in April 2015, dairy farmers must adjust their farming practises to minimise milk production costs to adequately prepare for potential periods of reduced revenue. Milk production is an intense energy and water consuming process. Coupled with challenging European greenhouse gas reduction targets and legislation regarding the prevention of groundwater pollution and deterioration, increasing the production of milk in Ireland must be met with the sustainable consumption of on-farm energy and direct water resources, to ensure the future monetary and environmental sustainability of Ireland’s dairy industry. Thus, this body …


Organic Contaminant Removal Efficiency Of Sodium Bentonite/Clay (Bc) Mixtures In High Permeability Regions Utilizing Reclaimed Wastewater: A Meso-Scale Study, Yang Xiao Jan 2018

Organic Contaminant Removal Efficiency Of Sodium Bentonite/Clay (Bc) Mixtures In High Permeability Regions Utilizing Reclaimed Wastewater: A Meso-Scale Study, Yang Xiao

Articles

Wastewater reclamation now represents an effective measure for sustainable water resource management in arid regions, however wastewater components (organic micropollutants) may potentially impact local ecological and/or human health. Previous studies have shown that sodium bentonite/natural clay (BC) mixes may be used to effectively reduce riverbed infiltration in regions characterised by excessively high hydraulic conductivity. Accordingly, the current study sought to investigate the contaminant removal efficiency (Re) of several BC mass ratios in simulated dry riverbeds. Results indicate that the measured Re of NH4 +-N, CODcr and BOD5 increased in concurrence with an increasing sodium bentonite ratio, up to a maximum …


2018 Weed Science Research Report – Yellow Section, Ndsu Weed Science, Dept. Of Plant Sciences Jan 2018

2018 Weed Science Research Report – Yellow Section, Ndsu Weed Science, Dept. Of Plant Sciences

Plant Sciences Weed Science Reports

The Weed Science team at North Dakota State University conduct field research in the State of North Dakota. This specific document reports on field research conducted in 2018. It includes work on several minor crops and the management of several weeds in North Dakota.


Environmental Mycobacterium Avium Subsp. Paratuberculosis Hosted By Free-Living Amoebea, Ascel Samba-Louaka, Etienne Robino, Thierry Cochard, Maxime Branger, Vincent Delafont, Willy Aucher, Wilfrid Wambeke, John Bannantine, Franck Biet, Yann Héchard Jan 2018

Environmental Mycobacterium Avium Subsp. Paratuberculosis Hosted By Free-Living Amoebea, Ascel Samba-Louaka, Etienne Robino, Thierry Cochard, Maxime Branger, Vincent Delafont, Willy Aucher, Wilfrid Wambeke, John Bannantine, Franck Biet, Yann Héchard

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Mycobacterium avium subsp. paratuberculosis is responsible for paratuberculosis in animals. This disease, leading to an inflammation of the gastrointestinal tract, has a high impact on animal health and an important economic burden. The environmental life cycle of M. avium subsp. paratuberculosis is poorly understood and several studies suggest that free-living amoebae (FLA) might be a potential environmental host. FLA are protozoa found in water and soil that are described as reservoirs of pathogenic and non-pathogenic bacteria in the environment. Indeed, bacteria able to survive within these amoebae would survive phagocytosis from immune cells. In this study, we assessed the in …


Waste Not, Want Not: Using Source-Separated Urine To Cultivate Maize In The Southern Highlands, Tanzania, Lucy Hatfield Jan 2018

Waste Not, Want Not: Using Source-Separated Urine To Cultivate Maize In The Southern Highlands, Tanzania, Lucy Hatfield

Dissertations, Master's Theses and Master's Reports

In Sub-Saharan African countries, soil fertility is low due to unsustainable agricultural practices and little to no access to chemical fertilizer. Poor yields have resulted in many of these countries struggling to produce enough food to feed their growing populations. Human urine has been used as an effective, low-cost alternative to chemical fertilizers in greenhouse and plot trials on a variety of vegetables, but its effects on elemental grain composition in cereal crops are largely unknown. Here we tested whether diluted human urine applied as a fertilizer can increase maize crop growth, yield and nutritional content on small family-owned plots. …


The Effects Of Genotype And Altitude Of The Growing Location On Physical, Chemical, And Phytochemical Properties Of Strawberry, Kazi̇m Gündüz, Hakan Özbay Jan 2018

The Effects Of Genotype And Altitude Of The Growing Location On Physical, Chemical, And Phytochemical Properties Of Strawberry, Kazi̇m Gündüz, Hakan Özbay

Turkish Journal of Agriculture and Forestry

The effects of genotype and altitude of the growing location on physical, chemical, and phytochemical properties of strawberry fruits were investigated. Eight strawberry genotypes obtained from diverse breeding programs were selected. The genotypes were grown at three altitudes: in Antakya (117 m), Urumu (443 m), and Saksak (755 m). The results indicated that genotype and growing location had a significant impact on both physico-chemical and phytochemical characteristics. Genotypes explained 36%?51% of total variance for fruit weight (FW), total soluble solids (TSS), total acidity (TA), color incidence chroma (C), hue (h°), citric acid, and total monomeric anthocyanin (TMA). Altitudes explained 23%?50% …


Prototype Twin Vacuum Disk Metering Unit For Improved Seed Spacing Uniformity Performance At High Forward Speeds, Adnan Deği̇rmenci̇oğlu, Bülent Çakmak, Arzu Yazgi Jan 2018

Prototype Twin Vacuum Disk Metering Unit For Improved Seed Spacing Uniformity Performance At High Forward Speeds, Adnan Deği̇rmenci̇oğlu, Bülent Çakmak, Arzu Yazgi

Turkish Journal of Agriculture and Forestry

The objective of this study was to design and develop a prototype twin vacuum disk metering unit so that seeding can be achieved at higher forward speeds while reducing the peripheral speed of the vacuum disk for improved seed spacing uniformity performance and increased field work capacity. In order to meet this objective, a new precision seeding unit with twin vacuum disks, each being a mirrored view of the other and geometrically the same, was designed in animated drafting software and then it was manufactured and used for the laboratory experiments. Three crop seeds were used to determine the performance …


Genetic Diversity Assessment In Nicotiana Tabacum L. With Ipbs-Retrotransposons, Gülsüm Yaldiz, Mahmut Çamlica, Muhammad Azhar Nadeem, Muhammad Amjad Nawaz, Faheem Shahzad Baloch Jan 2018

Genetic Diversity Assessment In Nicotiana Tabacum L. With Ipbs-Retrotransposons, Gülsüm Yaldiz, Mahmut Çamlica, Muhammad Azhar Nadeem, Muhammad Amjad Nawaz, Faheem Shahzad Baloch

Turkish Journal of Agriculture and Forestry

Knowledge of genetic diversity could be beneficial by contributing important information in the selection of breeding material. The objective of this study was to explore the genetic diversity and relationship in the Turkish tobacco germplasm with the iPBSretrotransposons marker that emerged as a universal method. A total of 90 landraces and 6 commercial cultivars collected from different geographical regions of Turkey were used in this study. Eleven most polymorphic iPBS-retrotransposons primers yielded a total of 119 scorable bands and 98 of these bands were found to be polymorphic (82.35%), with an average of 8.91 polymorphic fragments for each primer. The …


Boron And Maturity Effects On Biochemical Parameters And Antioxidantactivity Of Pepper (Capsicum Annuum L.) Cultivars, Eleana Sarafi, Anastasios Siomos, Pavlos Tsouvaltzis, Christos Chatzissavvidis, Ioannis Therios Jan 2018

Boron And Maturity Effects On Biochemical Parameters And Antioxidantactivity Of Pepper (Capsicum Annuum L.) Cultivars, Eleana Sarafi, Anastasios Siomos, Pavlos Tsouvaltzis, Christos Chatzissavvidis, Ioannis Therios

Turkish Journal of Agriculture and Forestry

Pepper fruit (Capsicum annuumL.) is one of the best sources of carotenoids, carbohydrates, flavonoids, phenols, and antioxidant activity important in the human diet. The levels of bioactive compounds are variable and may be affected by cultivar, maturity stage, and boron concentration in the soil solution. A greenhouse experiment was conducted with the pepper cultivars Solario, Osho, Odysseo, and Arlequin treated with 5 boron concentrations (0.5, 1, 2.5, 5, and 10 mg B L-1) for 70 days. Fruits were sampled at 40 and 70 days and the concentration of carbohydrates, carotenoids, flavonoids, total phenols, and antioxidant activity (FRAP, DPPH) were measured. …


Environmental And Soil Variables Affecting The Structure And Floristicwoody Composition Of Oak Forests Of Northeastern Mexico, Juan Antonio Encina-Domínguez, José Ramón Arévalo Sierra, Eduardo Estrada Castillon, Miguel Mellado Bosque Jan 2018

Environmental And Soil Variables Affecting The Structure And Floristicwoody Composition Of Oak Forests Of Northeastern Mexico, Juan Antonio Encina-Domínguez, José Ramón Arévalo Sierra, Eduardo Estrada Castillon, Miguel Mellado Bosque

Turkish Journal of Agriculture and Forestry

The objective of this study was to investigate the influence of environmental and soil factors on the structure and floristic woody composition of oak forests. Oak forests of the Sierra de Zapalinamé in northeastern Mexico (25°N) are distributed in canyons and northwest slopes with higher humidity, surrounded by montane chaparral. We carried out a vegetation inventory across an altitudinal gradient. All trees with diameter at breast height of =>3 cm were identified and measured. In addition, the cover of understory species was measured in each plot. Using multivariate techniques, we detected two oak forest associations: Quercus greggii - Q. …


Possibilities Of Using Dual Kc Approach In Predicting Crop Evapotranspiration Ofsecond-Crop Silage Maize, Neşe Üzen, Öner Çeti̇n, Ramazan Yolcu Jan 2018

Possibilities Of Using Dual Kc Approach In Predicting Crop Evapotranspiration Ofsecond-Crop Silage Maize, Neşe Üzen, Öner Çeti̇n, Ramazan Yolcu

Turkish Journal of Agriculture and Forestry

The purposes of this study were to develop a dual crop coefficient (Kc) using FAO-56 methodologies and to compare crop evapotranspiration (ETKc) measured under field conditions for second-crop silage maize in the Southeastern Anatolia Region of Turkey with the ETc estimated using FAO-56 dual Kc methodologies. For this study, field experiments were conducted in the 2011 and 2012 growing seasons, and the results were evaluated. To compute dual Kc (Kcb and Ke), all climatological data involving the seedling and harvesting dates, growth stages, water holding of soil at field capacity and at wilting point, soil evaporation layer, and crop characteristics …


The Effect Of Perlan And Bud Management On Growth, Lateral Shoots,And The Precocity Of Cherry Nursery Trees, Ramazan Toprak, Di̇lek Soysal, Hüsnü Demi̇rsoy Jan 2018

The Effect Of Perlan And Bud Management On Growth, Lateral Shoots,And The Precocity Of Cherry Nursery Trees, Ramazan Toprak, Di̇lek Soysal, Hüsnü Demi̇rsoy

Turkish Journal of Agriculture and Forestry

The sweet cherry tree shows an acrotonic growth habit and grows as a forest wood. Apical dominance is important in sweet cherries and commercial growth is not possible without human intervention. It is thus difficult to obtain a good tree shape and enough shoots and leaves for quality and a plentiful crop in cherry trees. For this reason, many studies have been carried out in cherries to obtain enough lateral shoots and leaves using different methods. These procedures included Perlan application, pruning (heading), bud management (bud selection, bud removal), girdling, notching, and scoring. The present study aimed to encourage leaf …


Rootstock Capacity In Improving Production And Quality Of Triploid Watermelon Seeds, İlknur Solmaz, Nebahat Sari, Mohamed Dhamir Kombo, İsmai̇l Şi̇mşek, Suhayb Hussein, Mi̇hri̇ban Namli Jan 2018

Rootstock Capacity In Improving Production And Quality Of Triploid Watermelon Seeds, İlknur Solmaz, Nebahat Sari, Mohamed Dhamir Kombo, İsmai̇l Şi̇mşek, Suhayb Hussein, Mi̇hri̇ban Namli

Turkish Journal of Agriculture and Forestry

The aim of this study was to evaluate different rootstocks for improving triploid seed production of the dessert watermelon, Citrullus lanatus. This 2-year study was conducted at two locations, in open fields at Antalya and Adana, Turkey, during the 2016 and 2017 growing seasons. The tetraploid watermelon line 'ST 101' was used as the female parent scion and the diploid line 'WL 92' as the male parent. Both parental lines were grafted onto three different rootstocks to determine the effect of grafting on seed yield and quality of triploid watermelon. Nun 9075, a Cucurbita interspecific hybrid (Cucurbita maxima × Cucurbita …


Effect Of Altitude, Shooting Period, And Tea Grade On The Catechins, Caffeine, Theaflavin, And Thearubigin Of Turkish Black Tea, Feramuz Özdemi̇r, Hi̇lal Şahi̇n Nadeem, Aybegüm Akdoğan, Cüneyt Di̇nçer, Ayhan Topuz Jan 2018

Effect Of Altitude, Shooting Period, And Tea Grade On The Catechins, Caffeine, Theaflavin, And Thearubigin Of Turkish Black Tea, Feramuz Özdemi̇r, Hi̇lal Şahi̇n Nadeem, Aybegüm Akdoğan, Cüneyt Di̇nçer, Ayhan Topuz

Turkish Journal of Agriculture and Forestry

The effect of altitude, shooting period, and tea grade on the catechins and caffeine contents of Turkish black tea was investigated. The experimental factors significantly affected all of the parameters analyzed. Epigallocatechin gallate was the major catechin of black tea (0.719-1.007 g 100 g-1 dm) followed by epigallocatechin (0.627-0.791 g 100 g-1 dm). Additionally, caffeine (1.810-2.175 g 100 g-1 dm), theaflavin (3.201-6.000 μmol g-1), and thearubigin (8.577-12.635 g 100 g-1 dm) contents were determined. Samples of tea grown at high altitude generally produced a considerably greater amount of the catechins that improve tea quality. Shooting period, which is specific to …


The Effect Of Field Dodder (Cuscuta Campestris Yunck.) On The Leaf And Tuber Yield Of Sugar Beet (Beta Vulgaris L.), Tamer Üstüner Jan 2018

The Effect Of Field Dodder (Cuscuta Campestris Yunck.) On The Leaf And Tuber Yield Of Sugar Beet (Beta Vulgaris L.), Tamer Üstüner

Turkish Journal of Agriculture and Forestry

In this study, the effect of field dodder (Cuscuta campestris Yunck.) on the leaf and tuber yield of sugar beet fields in Kahramanmaraş Province of Turkey was investigated. Field dodder is known to spend its entire vegetation period as a parasite plant on its hosts after germinating from the soil. It causes significant yield and quality loss of many cultivated plants, including sugar beet. In this study, the influence of dodder on leaf chlorophyll a and b, total chlorophyll levels, leaf yield, wet and dry leaf weight, and leaf ash weight of sugar beet was investigated. For this purpose, two …


Employing An Analytic Hierarchy Process To Prioritize Factors Influencing Surfaceroughness Of Wood And Wood-Based Materials In The Sawing Process, Hi̇lal Si̇nger, Şükrü Özşahi̇n Jan 2018

Employing An Analytic Hierarchy Process To Prioritize Factors Influencing Surfaceroughness Of Wood And Wood-Based Materials In The Sawing Process, Hi̇lal Si̇nger, Şükrü Özşahi̇n

Turkish Journal of Agriculture and Forestry

This paper focuses on the prioritization of factors having substantial effects on the surface roughness of wood and wood-based materials in the sawing process. Within the model, four main factors were defined: cutting tool properties, machining parameters, wood structure and properties, and cutting phenomena. Furthermore, each main factor was subdivided into various subfactors. The analytic hierarchy process method was proposed to obtain the priorities of the factors. The results showed that feed speed, tooth shape and geometry, and cutting speed are the most important factors. Based on the obtained results, it can be said that the most important factors can …


A Comparative Study Of Fuzzy Linear Regression And Multiple Linear Regression Inagricultural Studies: A Case Study Of Lentil Yield Management, Karim Sorkheh, Ahmad Kazemifard, Shakiba Rajabpoor Jan 2018

A Comparative Study Of Fuzzy Linear Regression And Multiple Linear Regression Inagricultural Studies: A Case Study Of Lentil Yield Management, Karim Sorkheh, Ahmad Kazemifard, Shakiba Rajabpoor

Turkish Journal of Agriculture and Forestry

This study investigates the advantages of two fuzzy linear regression (FLR) models, namely the Tanaka and the Savic and Pedrycz models, over multiple linear regression (MLR) for lentil yield management. We used a fuzzy approach to model the yield of lentil genotypes in which the input is crisp and the output fuzzy. Moreover, after finding FLR equations, we estimated the output corresponding to the collection of fuzzy inputs by using fuzzy algebraic operations and an appropriate defuzzification method known as the center of area method. Results showed the superiority of the Tanaka model over MLR because of reducing the included …


Use Of Chemical Mutagens For Production Of Inactive Pollen Grains,Embryo Rescue, And Morphological Changes In Cucumber, Faezeh Hazem, Maryam Golabadi Jan 2018

Use Of Chemical Mutagens For Production Of Inactive Pollen Grains,Embryo Rescue, And Morphological Changes In Cucumber, Faezeh Hazem, Maryam Golabadi

Turkish Journal of Agriculture and Forestry

Application of chemical mutagens as important factors is very practical for successful haploidization techniques in Cucurbitaceae through pollen grain deactivation and then immature embryo rescue. The present research investigated the effects of genotype, male flower age, receptor plant, and chemical mutagenesis (NaN3 and colchicine) on pollen grain deactivation as well as seed production (number of total, full, half-full, and empty seeds) and morphological traits. Moreover, the effects of different plant growth regulators were tested on embryo cultures. The effects of different factors (mutagen, genotype, flower age) were investigated on plant regeneration from immature embryos that were inspected from half-full and …


Oxygen Isotope Discrimination Of Wheat And Its Relationship With Yield And Stomatal Conductance Under Irrigated Conditions, Sema Kale Çeli̇k, Sevi̇nç Madenoğlu, Bülent Sönmez, Kadri̇ Avağ, Ufuk Türker, Gökhan Çayci, Ali̇ Ci̇hat Kütük, Lee Kheng Heng Jan 2018

Oxygen Isotope Discrimination Of Wheat And Its Relationship With Yield And Stomatal Conductance Under Irrigated Conditions, Sema Kale Çeli̇k, Sevi̇nç Madenoğlu, Bülent Sönmez, Kadri̇ Avağ, Ufuk Türker, Gökhan Çayci, Ali̇ Ci̇hat Kütük, Lee Kheng Heng

Turkish Journal of Agriculture and Forestry

This study was carried out to determine the different irrigation regime effects on oxygen isotope discrimination of stem water (𖗢Os) and its relationship with grain yield (GY), aboveground biomass (BM), and stomatal conductivity (gs) of winter wheat. For this purpose a field experiment was conducted between 2009 and 2011 in a semiarid region of Turkey under rainfed (RF), deficit (DI), moderate (MI), and full irrigation (FI) conditions. The highest GY and BM (4.5 t ha$^{-1}$ and 14.5 t ha$^{-1}$) were measured from the FI treatment. However, the difference between the yield of DI and FI treatments was insignificant. It might …


Impact Of Long-Lasting Insecticide-Incorporated Screens Oncolorado Potato Beetle And Plum Curculio, Ayhan Gökçe, Georgina V. Bingham, Mark E. Whalon Jan 2018

Impact Of Long-Lasting Insecticide-Incorporated Screens Oncolorado Potato Beetle And Plum Curculio, Ayhan Gökçe, Georgina V. Bingham, Mark E. Whalon

Turkish Journal of Agriculture and Forestry

The efficacy and behavior effects of long-lasting insecticide-incorporated screens (LLIS; polyolefin containing deltamethrin) were tested under laboratory conditions against two important pests (Leptinotarsa decemlineata and Conotrachelus nenuphar). Four Vestergaard ZeroFly® LLISs of different specifications were evaluated: trial batches JLCB061009, SPSA 6616, ZeroFly Greenhouse (B), and ZeroFly Greenhouse (G). Two control products were also included: ZeroFly Screen Greenhouse White with no insecticide and a standard commercial fiberglass insect screen. Contact bioassays revealed that all treated LLIS products, except JLCB061009, provided >90% mortality within 24 h of exposure for both susceptible (New Jersey, USA) and resistant (Long Island, NY, USA) L. decemlineata …


Seed Fatty Acid Compositions And Chemotaxonomy Of Wild Safflower(Carthamus L., Asteraceae) Species In Turkey, Yusuf Arslan, Burcu Tarikahya Hacioğlu Jan 2018

Seed Fatty Acid Compositions And Chemotaxonomy Of Wild Safflower(Carthamus L., Asteraceae) Species In Turkey, Yusuf Arslan, Burcu Tarikahya Hacioğlu

Turkish Journal of Agriculture and Forestry

Safflower is an important oilseed crop for the dry regions of the world. In the present study, we aimed to find out the seed oil content and composition of the wild relatives of safflower. For this purpose, 71 populations from 5 naturally growing Carthamus species were collected from Turkey: Carthamus dentatus (30 accessions), Carthamus lanatus (30 accessions), Carthamus persicus (2 accessions), Carthamus glaucus (6 accessions), and Carthamus tenuis (3 accessions). Our research covered all naturally growing safflower species in the flora of Turkey. The seeds belonging to 71 accessions were germinated in cabinets and transferred to vials in order to …


Neuroprotective Potential Of The Fruit (Acorn) From Quercus Coccifera L., Fatma Sezer Şenol, Nazim Şekeroğlu, Sevgi̇ Gezi̇ci̇, Esra Kiliç, İlkay Erdoğan Orhan Jan 2018

Neuroprotective Potential Of The Fruit (Acorn) From Quercus Coccifera L., Fatma Sezer Şenol, Nazim Şekeroğlu, Sevgi̇ Gezi̇ci̇, Esra Kiliç, İlkay Erdoğan Orhan

Turkish Journal of Agriculture and Forestry

Neurodegenerative diseases such as Alzheimer disease and Parkinson disease are among the deadly disorders affecting the elderly population. Unfortunately, effective treatments and medications are still needed to combat these diseases. The ethanol extracts of the raw peeled acorns and acorn coffees from Quercus coccifera prepared by two different methods (boiled-roasted ground and roasted ground) were tested against acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and tyrosinase (TYR), the enzymes associated with neurodegeneration. The acorns used in the present study were harvested from wild Quercus coccifera L. trees in Kilis Province, located in the Eastern Mediterranean region of Turkey in November 2016. Cholinesterase (ChE) …


Growth And Yield Of Plum Trees In Response To In-Row Orchard Floor Management, Jerzy Lisek, Zbigniew Buler Jan 2018

Growth And Yield Of Plum Trees In Response To In-Row Orchard Floor Management, Jerzy Lisek, Zbigniew Buler

Turkish Journal of Agriculture and Forestry

Research was conducted in 2009-2015 on Valjevka plum trees (Prunus domestica L.) that were grafted onto Myrobalan seedlings (Prunus cerasifera Ehrh. var. divaricata Ledeb.). Trees were planted in the spring of 2008. From 2009 the following methods of soil cultivation under tree canopies were introduced: spraying with foliar herbicides; mulching with organic waste, i.e. straw with compost; mechanical soil cultivation with the use of rotary cultivators and hoe; weed mowing. On the control plots with limited weeding, the weeds growing around tree trunks were pulled several times a year. From 2010 to 2015, highest total yield of plums was produced …


Olive Tree Response To The Severity Of Pruning, Manuel Angelo Rodrigues, João Ilidio Lopes, Isabel Queiros Ferreira, Margarida Arrobas Jan 2018

Olive Tree Response To The Severity Of Pruning, Manuel Angelo Rodrigues, João Ilidio Lopes, Isabel Queiros Ferreira, Margarida Arrobas

Turkish Journal of Agriculture and Forestry

Pruning has been seen as a means of improving olive tree productivity. The presumed importance of pruning was described by Columella (born 4 AD), and has persisted in general terms to the present. In this work, the effect of different pruning regimes was assessed from two field trials conducted in Mirandela, NE Portugal, in an olive grove of cv. 'Cobrançosa', rainfed managed. The first trial began after a light crop ("off" year) and received four pruning regimes (hard, moderate, light, and nonpruned control). The second trial started the following year, after a heavy crop ("on" year), and received two pruning …