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Articles 1 - 30 of 56
Full-Text Articles in Forest Sciences
Perma/Culture: Imagining Alternatives In An Age Of Crisis By Molly Wallace And David Carruthers, Bryant Scott
Perma/Culture: Imagining Alternatives In An Age Of Crisis By Molly Wallace And David Carruthers, Bryant Scott
The Goose
Review of Molly Wallace and David Carruthers' Perma/Culture: Imagining Alternatives in an Age of Crisis.
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
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 …
Knowledge And Practices On Family Development Of 4ps Beneficiaries In Camarines Sur, Philippines, Stanley O. Dy
Knowledge And Practices On Family Development Of 4ps Beneficiaries In Camarines Sur, Philippines, Stanley O. Dy
Journal of Public Affairs and Development
The study assessed the knowledge and practices on family development among the 4Ps beneficiaries in Camarines Sur. Research methods employed were survey, KIIs, and review of secondary data. The data gathered from the 169 randomly selected respondents were analyzed through descriptive statistics, particularly frequency, percentage, and mean. Most topics discussed during family development sessions relate to disaster risk reduction and management, according to 27% of the respondents. Other topics were on fire, gardening, barangay improvement, community, and nutrition. Almost all respondents indicated that the family development sessions (e.g., proper parenting) are effective, relevant, interesting, and are easy to apply. They …
Lipophilic Antioxidants In Edible Weeds From Agricultural Areas, Helena Sircelj, Maja Mikulic Petkovsek, Robert Veberic, Metka Hudina, Ana Slatnar
Lipophilic Antioxidants In Edible Weeds From Agricultural Areas, Helena Sircelj, Maja Mikulic Petkovsek, Robert Veberic, Metka Hudina, Ana Slatnar
Turkish Journal of Agriculture and Forestry
The present paper reports the contents of individual lipophilic antioxidants in fourteen species of edible common agricultural weeds, typical of agricultural areas such as fields and orchards. Young edible green aboveground parts of weeds were analyzed for their chlorophyll, carotenoid, and tocopherol qualitative profiles and contents. To the best of our knowledge, this is the first report on the complete lipophilic antioxidant composition of the edible weeds examined in this study. The results revealed that all examined leafy plant species are good sources of lipophilic antioxidants, the richest source being Urtica dioica (255.64 mg 100 $g^{-1}$ fwt), followed by Cardamine …
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
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
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
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
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) …
Evaluation Of Larvicidal Efficacy Of Indigenous Plant Extracts Againstculex Quinquefasciatus (Say) Under Laboratory Conditions, Javaid Iqbal, Faisal Ishtiaq, Abdulaziz S. Alqarni, Ayman A. Owayss
Evaluation Of Larvicidal Efficacy Of Indigenous Plant Extracts Againstculex Quinquefasciatus (Say) Under Laboratory Conditions, Javaid Iqbal, Faisal Ishtiaq, Abdulaziz S. Alqarni, Ayman A. Owayss
Turkish Journal of Agriculture and Forestry
The present study focused on the insecticidal potential of easily available local botanicals using a simple but effective method. Seven indigenous plants (Cinnamomum tamala (taiz pat), Aloe vera (aloe vera), Datura alba (datura), Allium sativum (garlic), Allium cepa (onion), Zingiber officinale (ginger), and Ocimum basilicum (niazbo/basil) were tested for their larvicidal efficacy against Culex quinquefasciatus (Say) under laboratory conditions. The evaluation of a series of five concentrations (1%, 2%, 3%, 4%, and 5%) of aqueous plant extracts against the 4th instar larvae revealed convincing larval mortality effects at 24 and 48 h after exposure. Larval mortality showed a significant concentration-dependent …
Isoflavone Profile Diversity In Korean Wild Soybeans (Glycine Soja Sieb. & Zucc.), Chigen Tsukamoto, Muhammad Amjad Nawaz, Ayaka Kurosaka, Bao Le, Jeong Dong Lee, Eunho Son, Seung Hwan Yang, Cemal Kurt, Faheem Shahzad Baloch, Gyuhwa Chung
Isoflavone Profile Diversity In Korean Wild Soybeans (Glycine Soja Sieb. & Zucc.), Chigen Tsukamoto, Muhammad Amjad Nawaz, Ayaka Kurosaka, Bao Le, Jeong Dong Lee, Eunho Son, Seung Hwan Yang, Cemal Kurt, Faheem Shahzad Baloch, Gyuhwa Chung
Turkish Journal of Agriculture and Forestry
Isoflavones prevent the incidence of cancer, reduce cardiovascular problems, and decrease menopausal symptoms. In soybean (Glycine soja Sieb. & Zucc.) seeds, the content is greatly affected by growing conditions. The variations in soy-isoflavone content were investigated by growing 346 Korean wild soybean accessions from natural habitats under the same agroclimatic conditions. High-performance liquid chromatography was used to measure the profiles of six soy-isoflavones, i.e. glycosides (daidzin, glycitin, genistin) and malonyl glycosides (malonyl-daidzin, malonyl-glycitin, and malonyl-genistin). The soy-isoflavone content of the wild soybeans ranged from 0.5 to 5.51 mg/g with an average of 2.78 mg/g. The highest mean total soy-isoflavone was …
The Effect Of Perlan And Bud Management On Growth, Lateral Shoots,And The Precocity Of Cherry Nursery Trees, Ramazan Toprak, Di̇lek Soysal, Hüsnü Demi̇rsoy
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 …
Effects Of Wheel Traffic And Farmyard Manure Applications On Soilco2 Emission And Soil Oxygen Content, Sefa Altikat, Hasan Kaan Küçükerdem, Aysun Altikat
Effects Of Wheel Traffic And Farmyard Manure Applications On Soilco2 Emission And Soil Oxygen Content, Sefa Altikat, Hasan Kaan Küçükerdem, Aysun Altikat
Turkish Journal of Agriculture and Forestry
This 2-year field study investigated the effects of different wheel traffic passes, manure amounts, and manure application methods on soil temperature, soil moisture, CO2 emission, and soil O2 content. To achieve this purpose, three different wheel traffic applications (no traffic, one pass, and two passes) were used. In the experiments, two different methods of manure applications (surface and subsurface) and three different farmyard manure amounts were used with a control plot (N0), 40 Mg ha-1 (N40), and 80 Mg ha-1 (N80). Manure was applied in both years of the experiment in the first week of April. For the subsurface application, …
Evaluation Of Germplasm In Solanum Section Lycopersicon For Tomato Taste Improvement, Luis Galiana-Balaguer, Ginés Ibañez, Jaime Cebolla-Cornejo, Salvador Rosello
Evaluation Of Germplasm In Solanum Section Lycopersicon For Tomato Taste Improvement, Luis Galiana-Balaguer, Ginés Ibañez, Jaime Cebolla-Cornejo, Salvador Rosello
Turkish Journal of Agriculture and Forestry
The genetic potential of accessions from Solanum section Lycopersicon (S. lycopersicum L., S. lycopersicum var. cerasiforme, S. pimpinellifolium L., and S. habrochaites Knaap & Spooner) for breeding tomato taste has been studied in three environments with clonal replicates. The environment clearly affected the accumulation and level of variation of sugars and acids and derived variables through a direct effect. It seems that photosynthetically active radiation would exert a major effect on sugar accumulation while in the case of organic acids the effect of temperature might be more important. Even more, important genotype × environment interactions can considerably modify the real …
Banded Herbicide Application In A Conventional Sunflower Production System, Ahmet Tansel Seri̇m, Ünal Asav, Süleyman Gürdal Türkseven, Ergi̇n Dursun
Banded Herbicide Application In A Conventional Sunflower Production System, Ahmet Tansel Seri̇m, Ünal Asav, Süleyman Gürdal Türkseven, Ergi̇n Dursun
Turkish Journal of Agriculture and Forestry
Banded herbicide applications with hooded field sprayers (HFS) provide safer applications in many crops. The aim of this paper is to show the effectiveness and safeness of selective and nonselective herbicide applications in a conventional sunflower production system (CSPS) using a combined hooded field sprayer (CHFS). Glyphosate interrow and aclonifen or quizalofop-P-ethyl intrarow were applied in fields cropped with nonglyphosate-resistant sunflower varieties in Ankara, Tekirdağ, and Tokat Provinces of Turkey in 2015 and 2016. In Ankara and Tekirdağ, glyphosate caused limited injury to sunflower at 28 days after treatment (DAT), and aclonifen created transient phytotoxicity in 2015. Glyphosate was applied …
Effects Of Hot Water And Uv-C On Mineral Content Changes In Two Strawberry Cultivarsstored At Different Temperatures, Şeyda Çavuşoğlu
Effects Of Hot Water And Uv-C On Mineral Content Changes In Two Strawberry Cultivarsstored At Different Temperatures, Şeyda Çavuşoğlu
Turkish Journal of Agriculture and Forestry
In this study, two standard strawberry cultivars, Rubygem and Sabrina, were treated with UV-C (254 nm), hot water (60° C for 10 s), and UV-C + hot water after harvesting and stored in modified atmosphere packaging (MAP) at 0 °C and 5 °C. The variations in mineral contents including phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), copper (Cu), manganese (Mn), sodium (Na), and zinc (Zn) were analyzed during storage periods. Analysis of variance for storage temperature, storage time, cultivar, and treatments showed that storing both cultivars at different temperatures followed by all treatments caused some increases in P and …
Occurrence, Damage, And Population Dynamics Of The Olive Fruit Fly(Bactrocera Oleae Gmelin) In The Turkish Republic Of Northern Cyprus, Murat Helvaci, Mehmet Aktaş, Özge Özden
Occurrence, Damage, And Population Dynamics Of The Olive Fruit Fly(Bactrocera Oleae Gmelin) In The Turkish Republic Of Northern Cyprus, Murat Helvaci, Mehmet Aktaş, Özge Özden
Turkish Journal of Agriculture and Forestry
The olive is one of the most important crops of the Mediterranean region. Ninety-eight percent of the world?s olive production occurs in this region. However, pest control is a major concern of olive growers, and the olive fruit fly is one of the major economic pests. The aim of this research was to observe their population, infestation rates, and effect on the quality of olive oil. This research included 14 olive groves within 2 different locations. To determine the population dynamics of adult olive fruit flies, 6 yellow sticky traps were placed haphazardly within the tree canopies (approximately 1.5 m …
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
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
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 …
Organizational Identification Of Personnel During A Major Restructuring: The Case Of The Agricultural Training Institute, Andrew D. Gasmen, Rowena Dt. Baconguis, Maria Ana T. Quimbo
Organizational Identification Of Personnel During A Major Restructuring: The Case Of The Agricultural Training Institute, Andrew D. Gasmen, Rowena Dt. Baconguis, Maria Ana T. Quimbo
Journal of Public Affairs and Development
Earlier studies found that extension organizations enjoy strong organizational identification (OID) among their personnel. However, organizational change often negatively impacts on personnel OID and subsequently on organizational performance. To explore these two contrasting views in the Philippine context, this study was conducted to examine the personnel OID of the Agricultural Training Institute (ATI), the country’s lead extension agency, while undergoing rationalization. A survey was conducted among staff members of ATI Central Office and Region IV-A Training Center. Responses were analyzed along OID’s cognitive and affective components in different demographic and employment characteristics and comparatively in five categories of personnel. Results …
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
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 …
The Effects Of Genotype And Altitude Of The Growing Location On Physical, Chemical, And Phytochemical Properties Of Strawberry, Kazi̇m Gündüz, Hakan Özbay
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
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 …
Physiological, Biochemical, And Molecular Responses Of Thermotolerance In Moth Bean (Vigna Aconitifolia (Jacq.) Marechal), Bhavana Tiwari, Shahina Kalim, Pooja Bangar, Ratna Kumari, Sanjay Kumar, Ambika Gaikwad, Kangila Venkataramana Bhat
Physiological, Biochemical, And Molecular Responses Of Thermotolerance In Moth Bean (Vigna Aconitifolia (Jacq.) Marechal), Bhavana Tiwari, Shahina Kalim, Pooja Bangar, Ratna Kumari, Sanjay Kumar, Ambika Gaikwad, Kangila Venkataramana Bhat
Turkish Journal of Agriculture and Forestry
Among several abiotic stresses, heat stress has a large negative impact upon agricultural productivity worldwide. Moth bean (Vigna aconitifolia (Jacq.) Marechal) attracts a great deal of attention due to its better performance under drought and heat stress conditions. An experiment was designed to find out the effects of heat stress on relative water content (RWC), membrane stability index (MSI), and proline, protein, and chlorophyll (Chl) contents using 10 genotypes of moth bean. Physiological and biochemical parameters indicated that RMO 40 followed by Jadia, IC 36157, Jwala, and Marumoth were heat-tolerant (HT) genotypes, and IC 121051, IC 36392, IC 39702, IC …
Application Of Data Mining And Adaptive Neuro-Fuzzy Structureto Predict Color Parameters Of Walnuts (Juglans Regia L.), Bünyami̇n Demi̇r
Application Of Data Mining And Adaptive Neuro-Fuzzy Structureto Predict Color Parameters Of Walnuts (Juglans Regia L.), Bünyami̇n Demi̇r
Turkish Journal of Agriculture and Forestry
Quality is the primary factor designating consumer satisfaction and the market price of agricultural commodities. Color and general appearance are the basic quality indicators for agricultural products. Surface colors are assessed through colorimetric measurements including L*, a*, and b* color parameters. In the present study, L*, a*, and b* color parameters of Bilecik, Fernette, Fernor, Kaman-1, Maraş-12, Maraş-18, Sunland, Şen-2, Yalova-1, and Yalova-3 walnut cultivars (color parameters of 100 randomly selected walnuts from each cultivar) were measured with a chroma meter (CR-5 Konica Minolta). Based on L*, a*, and b* measurements, equations from which color index (CI), chroma (C*), and …
Genetic And Phenotypic Variation Among Turkish Terrestrial Orchidspecies As Revealed By Rapd And Morphological Characteristics, Gülden Sandal Erzurumlu, Nusrat Sultana, Mehtap Vural, Sedat Serçe
Genetic And Phenotypic Variation Among Turkish Terrestrial Orchidspecies As Revealed By Rapd And Morphological Characteristics, Gülden Sandal Erzurumlu, Nusrat Sultana, Mehtap Vural, Sedat Serçe
Turkish Journal of Agriculture and Forestry
Terrestrial orchid species are natural sources of salep and a closely related group of plant species widely distributed throughout Turkey. The phylogenetic relationship among fourteen different tuber-producing orchid species was investigated after analyzing phenotypic and genetic variation within and among the natural population through fifteen morphometric traits and ten random amplified polymorphic DNA (RAPD) primer combinations. Statistical analyses (principal component analysis (PCA), principal coordinate analysis (PCoA), and cluster analysis) using the generated data identified taxonomic and genetic distance within the studied plant samples. The results of PCA from morphological traits show that there are no major groupings within and among …
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
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
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
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 …
Multivariate Statistical Analyses For Studying Kenaf Germination, Growth, And Fiber Production Under Salinity Constraint, Rekaya Ayadi, Rayda Ben Ayed, Nejla Lassoued, Hichem Ben Salem, Mohamed Larbi Khouja, Lamia Hamrouni, Mohsen Hanana
Multivariate Statistical Analyses For Studying Kenaf Germination, Growth, And Fiber Production Under Salinity Constraint, Rekaya Ayadi, Rayda Ben Ayed, Nejla Lassoued, Hichem Ben Salem, Mohamed Larbi Khouja, Lamia Hamrouni, Mohsen Hanana
Turkish Journal of Agriculture and Forestry
It is due to the lack of renewable fiber sources for industrial purposes that the need for finding available and alternative material has become imperative. Kenaf (Hibiscus cannabinus L.), a fast-growing industrial crop, would be a potential solution for valorizing salinized lands and/or soils irrigated with saline water. With the aim of selecting and valorizing salt-tolerant species with high fiber yields and industrial values, we launched the assessment of the performance of kenaf culture (var. Guangdong 743-2) under salinity constraints. Germination and vegetative stages were considered in the present study to better evaluate the whole life cycle of the species. …
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
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 …