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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 …
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 …
Determination Of Flower Bud Drop And Anomalies Underdifferent Ecological Conditions Of Some Apricot Cultivars, Ni̇hal Acarsoy, Adalet Misirli
Determination Of Flower Bud Drop And Anomalies Underdifferent Ecological Conditions Of Some Apricot Cultivars, Ni̇hal Acarsoy, Adalet Misirli
Turkish Journal of Agriculture and Forestry
Efficiency in fruit trees is connected with flower quantity and quality. Flower abortions occur largely depending on locations and years in apricot varieties that are selective in terms of climate requirements. In this study carried out with varieties having a wide range of chilling requirements in İzmir and Malatya, flower and leaf bud drop rates differed according to varieties and was found low in Malatya. During the flower bud and bloom period, Tokaloğlu, Precoce de Tyrinthe, and Iğdır varieties did not show anomalies in Malatya while Precoce de Tyrinthe had a low rate of abnormality in İzmir. Furthermore, it was …
The Effect Of Field Dodder (Cuscuta Campestris Yunck.) On The Leaf And Tuber Yield Of Sugar Beet (Beta Vulgaris L.), Tamer Üstüner
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 …
Variation In Secondary Metabolites Contents Of Spinoso Sardo Artichoke (Cynara Cardunculus L.) Under Different Day Lengths, Angela Fadda, Adriana Virdis, Antonio Barberis, Sara Melito
Variation In Secondary Metabolites Contents Of Spinoso Sardo Artichoke (Cynara Cardunculus L.) Under Different Day Lengths, Angela Fadda, Adriana Virdis, Antonio Barberis, Sara Melito
Turkish Journal of Agriculture and Forestry
Globe artichoke (Cynara cardunculus L. var. scolymus Fiori) is an economically important crop in the Mediterranean basin and particularly in Italy, which is a leading producer. In this research, we studied the effect of extended photoperiod (15 and 17 h) on polyphenolic, flavonoids, lignin concentrations, and antioxidant activity in edible and inedible organs of artichoke. The influence of day length on morphological traits and biomass accumulation was also assessed. The total phenolic content of whole plants grown under natural day length conditions exceeds that of photoperiod extended for 15 and 17 h by 31% and 32.4%, respectively. The decrease of …
Quality Constituents Of High Amino Acid Content Tea Cultivars With Various Leaf Colors, Lin-Long Ma, Yan-Li Liu, Dan Cao, Zi-Ming Gong, Xiao-Fang Jin
Quality Constituents Of High Amino Acid Content Tea Cultivars With Various Leaf Colors, Lin-Long Ma, Yan-Li Liu, Dan Cao, Zi-Ming Gong, Xiao-Fang Jin
Turkish Journal of Agriculture and Forestry
Green tea made from high amino acid content (HAAC) tea cultivars with different leaf colors exhibits many similar characteristics, such as slight bitterness, a rich aroma, and a refreshing and velvety taste. To determine differences in the key constituents of five HAAC tea cultivars with various leaf colors, the cultivars quality constituents were systematically analyzed and compared with that of a normal green tea cultivar. High theanine (Thea) content and the synthesis of Thea precursors are extremely important determinants of the character of these HAAC tea cultivars. The levels of most catechins, carotenoids, and chlorophylls in the HAAC tea cultivars …
Genetic Diversity Among Melon (Cucumis Melo L.) Accessionsrevealed By Morphological Traits And Issr Markers, Niyazi Guliyev, Saida Sharifova, Javid Ojaghi, Mehraj Abbasov, Zeynal Akparov
Genetic Diversity Among Melon (Cucumis Melo L.) Accessionsrevealed By Morphological Traits And Issr Markers, Niyazi Guliyev, Saida Sharifova, Javid Ojaghi, Mehraj Abbasov, Zeynal Akparov
Turkish Journal of Agriculture and Forestry
The genetic relationships among 48 melon (Cucumis melo L.) genotypes collected from various parts of Azerbaijan were determined by comparing their phenotypic and molecular traits. Eleven agromorphological traits and 10 polymorphic inter-simple sequence repeat (ISSR) primers were used to define the genetic diversity. Principal component analysis grouped the agromorphological traits into the first four axes, describing 78% of the total variations. The highest genetic variation coefficient was found for yield per hectare (20.32%) and for fruit length (17.35%). Calculated heritability for yield was 0.96. The analysis of morphological traits grouped the accessions into four clusters. The 10 ISSR primers yielded …
Cereal Source And Microbial Consortia Of The Starter Culture Influence The Chemicalcomposition And Physicochemical Characteristics Of Boza, Mehli̇ka Borcakli, Tarik Öztürk, Erdem Yeşi̇lada
Cereal Source And Microbial Consortia Of The Starter Culture Influence The Chemicalcomposition And Physicochemical Characteristics Of Boza, Mehli̇ka Borcakli, Tarik Öztürk, Erdem Yeşi̇lada
Turkish Journal of Agriculture and Forestry
Boza is a popular cereal-based traditional beverage particularly consumed during winter months in Balkan countries and Turkic societies. The present study aims to investigate the influence of different cereal sources and starter cultures used in the commercial production of boza on its chemical and microbiota compositions and physicochemical characteristics. Detailed experimentation has revealed that chemical compositions, i.e. carbohydrates (beta-glucans, starches), organic acids, vitamins, dietary fibers, proteins, fat, and minerals, along with physicochemical characteristics, are subject to significant differentiation depending upon the cereal types and microbial consortia of the starter culture used in boza production. These variations also influence the physicochemical …
Assessment Of Sesame Oil Fatty Acid And Sterol Composition With Ft-Nirspectroscopy And Chemometrics, İbrahi̇m Sani̇ Özdemi̇r, Öznur Karaoğlu, Çağdaş Dağ, Somer Beki̇roğlu
Assessment Of Sesame Oil Fatty Acid And Sterol Composition With Ft-Nirspectroscopy And Chemometrics, İbrahi̇m Sani̇ Özdemi̇r, Öznur Karaoğlu, Çağdaş Dağ, Somer Beki̇roğlu
Turkish Journal of Agriculture and Forestry
In this study the Fourier transform-near infrared (FT-NIR) spectroscopy technique was used to predict the fatty acid and sterol content of sesame. For this purpose, partial least square regression (PLS-R)-based prediction models were developed, which relate the FT-NIR spectra to reference GC measurements. In total, 39 sesame samples were collected from local producers around Muğla Province. Sesame oil was extracted from the seeds by using a screw press and extracted oil samples were analyzed without any refining. The results showed that among different fatty acids found in sesame oil, oleic and linoleic acid contents (which account for 85% of the …