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Evaluation Of Effects Of Water-Saving Superabsorbent Polymer On Corn (Zea Mays L.)Yield And Phosphorus Fertilizer Efficiency, ADEM GÜNEŞ, NURGÜL KITIR, METİN TURAN, ERDAL ELKOCA, ERTAN YILDIRIM, NAZMİYE AVCI 2016 TÜBİTAK

Evaluation Of Effects Of Water-Saving Superabsorbent Polymer On Corn (Zea Mays L.)Yield And Phosphorus Fertilizer Efficiency, Adem Güneş, Nurgül Kitir, Meti̇n Turan, Erdal Elkoca, Ertan Yildirim, Nazmi̇ye Avci

Turkish Journal of Agriculture and Forestry

There is growing interest in using a reduced rate of mineral fertilizer along with water-saving superabsorbent polymer (WSAP) for field crop production in arid and semiarid regions of the world. The overall objective of this study was to evaluate the effects of hydrogel applications on the phosphorus fertilizer efficiency parameter, yield, and selected physiological properties of corn (Zea mays L.) grown at different levels of water deficiency in greenhouse conditions. The experimental design consisted of 3 completely randomized blocks in a factorial arrangement, with 9 hydrogel doses (0%, 0.01%, 0.02%, 0.04%, 0.08%, 0.12%, 0.2%, 0.4%, and 0.6%), 4 phosphorus fertilizer …


The Effects Of Phosphorus Addition On Phytoavailability Of Zinc By Diffusive Gradientsin Thin Films (Dgt), OSMAN SÖNMEZ, GARY PIERZYNSKI, CENGİZ KAYA, SALİH AYDEMİR 2016 TÜBİTAK

The Effects Of Phosphorus Addition On Phytoavailability Of Zinc By Diffusive Gradientsin Thin Films (Dgt), Osman Sönmez, Gary Pierzynski, Cengi̇z Kaya, Sali̇h Aydemi̇r

Turkish Journal of Agriculture and Forestry

Diffusive gradients in thin films (DGT) have been used for the assessment of Zn phytoavailability. Phosphorus is of particular interest in soils having Zn toxicity because of the Zn-P interaction. A greenhouse study was carried out to assess the influence of different P rates on the Zn phytoavailability to sorghum-Sudan grass (Sorghum vulgare var. Sudanese) in soil systems by DGT. Soil was amended with ZnSO4 at 0, 150, 300, 600, and 1200 mg Zn kg-1 in order to create various levels of Zn phytoavailability. Phosphorus was applied to soil at 0, 100, and 200 mg P kg-1 as KH2PO4. Plant …


Needle Characteristics Of Lebanon Cedar (Cedrus Libani A.Rich.): Degradation Of Epicuticular Waxes And Decrease Of Photosynthetic Rates With Increasing Needle Age, AYLİN GÜNEY, REINER ZIMMERMANN, ANNA KRUPP, KLAUS HAAS 2016 TÜBİTAK

Needle Characteristics Of Lebanon Cedar (Cedrus Libani A.Rich.): Degradation Of Epicuticular Waxes And Decrease Of Photosynthetic Rates With Increasing Needle Age, Ayli̇n Güney, Reiner Zimmermann, Anna Krupp, Klaus Haas

Turkish Journal of Agriculture and Forestry

The evergreen conifer Cedrus libani A.Rich. İs frost- and drought-tolerant and of economic and ecological importance. It has valuable timber and thus has promising potential for cultivation within and outside its natural distribution. Our aim was to determine the morphological and physiological characteristics of C. Libani needle leaves with respect to epicuticular waxes, photosynthetic assimilation rates, and needle age. The study was conducted in the Cedar Research Forest near Elmalı, Antalya (SW Turkey) at 1650 m a.s.l. An equation to calculate needle surface area from needle length was created (R2 = 0.96) for adult cedar needles. The form factor for …


Influence Of Nacl-Salinity On Pb-Uptake Behavior And Growth Of River Red Gum Tree (Eucalyptus Camaldulensis Dehnh.), MUHAMMAD FARRAKH NAWAZ, SADAF GUL, MUHAMMAD AYYOUB TANVIR, JAVAID AKHTAR, SAMIRA CHAUDARY, IRFAN AHMAD 2016 TÜBİTAK

Influence Of Nacl-Salinity On Pb-Uptake Behavior And Growth Of River Red Gum Tree (Eucalyptus Camaldulensis Dehnh.), Muhammad Farrakh Nawaz, Sadaf Gul, Muhammad Ayyoub Tanvir, Javaid Akhtar, Samira Chaudary, Irfan Ahmad

Turkish Journal of Agriculture and Forestry

Lead (Pb) is one of the most toxic and persistent elements, with no known biological role. High concentrations of lead enter saline soils through anthropogenic activities and industrial waste. The decontamination of Pb polluted sites through phytoremediation, especially by using woody plants, is an attractive approach. Eucalyptus camaldulensis is a good accumulator of Pb and a recommended tree species for reclamation of saline soils. However, there is very limited knowledge about the Pb-uptake behavior of Eucalyptus camaldulensis under saline conditions. The objective of this study was to examine the simultaneous impact of NaCl salinity and Pb stress on the phytoremedial …


Combined Effects Of Oxalic Acid Treatment And Modified Atmosphere Packaging On Postharvest Quality Of Loquats During Storage, AYŞE TÜLİN ÖZ, NESİBE EBRU KAFKAS, ADNAN BOZDOĞAN 2016 TÜBİTAK

Combined Effects Of Oxalic Acid Treatment And Modified Atmosphere Packaging On Postharvest Quality Of Loquats During Storage, Ayşe Tüli̇n Öz, Nesi̇be Ebru Kafkas, Adnan Bozdoğan

Turkish Journal of Agriculture and Forestry

Effectiveness of two different (3 mM and 6 mM) concentrations of oxalic acid (OA) application in combination with modified atmosphere packaging (MAP) on skin browning, fruit skin color (L*, a*, b*) values, fruit flesh firmness, total soluble solids (TSS), titratable acidity (TA), ratio of TSS/TA, pH total phenolic content (TPC), total flavonoid content (TFC), organic acids and soluble sugars, and percentage of O2/CO2 change in Hafif Çukurgöbek loquats stored at 5 °C for 30 days were evaluated. Findings indicated that skin browning was reduced by pre-storage OA application in loquats. Furthermore, OA treatment produced the promising effects of inhibiting increases …


Molecular Markers To Evaluate Genetic Diversity Among Venturia Inaequalis Isolates Obtained From Apple Plantations In Isparta Province, SUAT KAYMAK, NUH BOYRAZ, JON DANIELS 2016 TÜBİTAK

Molecular Markers To Evaluate Genetic Diversity Among Venturia Inaequalis Isolates Obtained From Apple Plantations In Isparta Province, Suat Kaymak, Nuh Boyraz, Jon Daniels

Turkish Journal of Agriculture and Forestry

Turkey, the third leading apple producer in world, produces approximately 2.6 million tons of apples per year. Venturia inaequalis, the causal agent of apple scab, is a major fungal disease among apples varieties. This study was conducted in accordance with the plant protection method for isolates collected from the apple production areas in Isparta Province. The purpose of this study was to determine genetic differences among V. inequalis isolates causing apple scab, and to discriminate the effects of varieties and geographical origins on genetic diversity. For this purpose, a total of 83 samples from the leaves and fruits of infected …


A Web-Based Decision Support System To Select Proper Machinery Size And Tractor Power, ÇAĞDAŞ CİVELEK, SAİT MUHARREM SAY 2016 TÜBİTAK

A Web-Based Decision Support System To Select Proper Machinery Size And Tractor Power, Çağdaş Ci̇velek, Sai̇t Muharrem Say

Turkish Journal of Agriculture and Forestry

One of the most important key factors for efficient and profitable agricultural production is agricultural mechanization. Since agricultural mechanization system expenses are nearly 30% of an agricultural enterprise investment, the mechanization system should be planned very carefully. Since internet technologies have spread into all areas, including agriculture, a web-based decision support system (DSS) was developed to plan an agricultural machinery system to be used in Turkey's farm enterprises. The developed DSS was written in PHP and the databases were created using the MySQL database administration system. Several tables to select proper machine size and tractor power, including tractor test report …


Genetic Variation And Interrelationships Among Antioxidant, Quality, And Agronomic Traits In Vegetable Amaranth, UMAKANTA SARKER, MD. TOFAZZAL ISLAM, MD. GOLAM RABBANI, SHINYA OBA 2016 TÜBİTAK

Genetic Variation And Interrelationships Among Antioxidant, Quality, And Agronomic Traits In Vegetable Amaranth, Umakanta Sarker, Md. Tofazzal Islam, Md. Golam Rabbani, Shinya Oba

Turkish Journal of Agriculture and Forestry

This investigation was aimed to evaluate 22 promising vegetable amaranth genotypes for antioxidant, leaf quality, and agronomic traits for two test seasons. The experiment was conducted to study the degree of genetic parameters, associations among different traits, and their contribution towards foliage yield. The analysis of variance for twelve traits was found highly significant. High mean, high range of variability, and high genotypic variance were observed for all the traits except content of Ca, protein, and carotenoid. Close differences between genotypic and phenotypic variances and genotypic and phenotypic coefficients of variation were observed for all the traits. High to moderate …


Antioxidant Potential Of Turkish Pepper (Capsicum Annuum L.) Genotypes At Two Different Maturity Stages, DAVUT KELEŞ, ŞENAY ÖZGEN, ONUR SARAÇOĞLU, ATİLLA ATA, MUSTAFA ÖZGEN 2016 TÜBİTAK

Antioxidant Potential Of Turkish Pepper (Capsicum Annuum L.) Genotypes At Two Different Maturity Stages, Davut Keleş, Şenay Özgen, Onur Saraçoğlu, Ati̇lla Ata, Mustafa Özgen

Turkish Journal of Agriculture and Forestry

Improved phytochemicals and antioxidant properties in crops are becoming important traits in many breeding programs. In this study, along with several other horticultural attributes, total phenolic content (TP) and antioxidant capacity (ferric reducing ability of plasma (FRAP) and Trolox equivalent antioxidant capacity (TEAC)) of 52 superior pepper genotypes from the Alata Pepper Breeding Program were examined. The fruits from these plants were harvested at immature and mature stages. The genotypes greatly varied for TP, FRAP, TEAC, soluble solids, vitamin C content, and fruit color as determined by L, a and b values. The range for TP was 319-4047 µg GAE/g …


Variations In Floral Characteristics And Scent Composition And The Breeding Potential In Seed-Derived Oil-Bearing Roses (Rosa Damascena Mill.), HASAN BAYDAR, SABRİ ERBAŞ, SONER KAZAZ 2016 TÜBİTAK

Variations In Floral Characteristics And Scent Composition And The Breeding Potential In Seed-Derived Oil-Bearing Roses (Rosa Damascena Mill.), Hasan Baydar, Sabri̇ Erbaş, Soner Kazaz

Turkish Journal of Agriculture and Forestry

Oil-bearing rose (Rosa damascena Mill.) is one of the most strongly scented rose species used in the perfumery and cosmetics industries. This research ultimately aimed to reveal the variation in and evaluate the breeding potential of plants whose seeds were derived from R. damascena, which has only been propagated vegetatively for centuries. The seeds extracted from the mature fruits of open-pollinated plants were stratified at 4 °C for 3 months and sown into vials. Seedlings in pots were grown under greenhouse conditions, and a total of 83 seed-derived plants were finally planted in the experimental field. The 3-year-old progenies were …


Molecular Characterization Of Genetic Variability And Structure Of Olive(Olea Europaea L.) Germplasm Collection Analyzed By Agromorphologicaltraits And Microsatellite Markers, KARIM SORKHEH, ESMAEIL KHALEGHI 2016 TÜBİTAK

Molecular Characterization Of Genetic Variability And Structure Of Olive(Olea Europaea L.) Germplasm Collection Analyzed By Agromorphologicaltraits And Microsatellite Markers, Karim Sorkheh, Esmaeil Khaleghi

Turkish Journal of Agriculture and Forestry

We studied 200 trees belonging to 20 accessions of cultivated olive (O. europaea L.) from 4 regions of origin, evaluated by means of agromorphological traits and simple sequence repeat (SSR) markers. The agromorphological traits showed high variation between genotypes and significant correlation coefficients were obtained among the values recorded in two consecutive years, 2013 and 2014. The maximum coefficient of variation for the quantitative agronomic traits was observed in fruit weight wet (13.45%), while the lowest was found in stone width (3.18%). Fruit shape index, leaf length, leaf width, and lenticel size also showed variability. With both DNA-based and agromorphological …


Short-Term Effects Of Warming Treatment And Precipitation Manipulation On The Ecophysiological Responses Of Pinus Densiflora Seedlings, SOON JIN YUN, SAEROM HAN, SEUNG HYUN HAN, SEONGJUN KIM, GUANLIN LI, MINJI PARK, YOWHAN SON 2016 TÜBİTAK

Short-Term Effects Of Warming Treatment And Precipitation Manipulation On The Ecophysiological Responses Of Pinus Densiflora Seedlings, Soon Jin Yun, Saerom Han, Seung Hyun Han, Seongjun Kim, Guanlin Li, Minji Park, Yowhan Son

Turkish Journal of Agriculture and Forestry

The aim of this study was to investigate the short-term effects of warming treatment and precipitation manipulation on the growth, photosynthetic rate, and chlorophyll content of Pinus densiflora seedlings based on a climate change scenario in Korea. Two-year-old P. densiflora seedlings were planted in a nursery in April 2013. The air temperature of warmed plots (W) was set to increase by 3 °C compared to control plots (C) using an infrared heater in May 2013. The three precipitation manipulations consisted of decreased precipitation using transparent panels (-30%; P-), increased precipitation using pumps and drip irrigation (+30%; P+), and a control …


Quality Traits Of Green Plums (Prunus Cerasifera Ehrh.) At Different Maturity Stages, MEHMET ALİ SARIDAŞ, NESİBE EBRU KAFKAS, MOZGAN ZARIFIKHOSROSHAHI, ONUR BOZHAYDAR, SEVGİ PAYDAŞ KARGI 2016 TÜBİTAK

Quality Traits Of Green Plums (Prunus Cerasifera Ehrh.) At Different Maturity Stages, Mehmet Ali̇ Saridaş, Nesi̇be Ebru Kafkas, Mozgan Zarifikhosroshahi, Onur Bozhaydar, Sevgi̇ Paydaş Kargi

Turkish Journal of Agriculture and Forestry

Fruits of 2 different plum cultivars (Prunus cerasifera Ehrh.) were collected in 2015 from 15-year-old trees in Hatay Province, Turkey. The 2 plum cultivars (Can and Gül) were on their own roots. Fruits were picked 5 times (both Can and Gül) at 12-day intervals (12 April [t1], 24 April [t2], 6 May [t3], 18 May [t4], and 30 May [t5]) during maturation in 2015. Higher levels of health-promoting components with the capacity to prevent several diseases, such as phenolic compounds with antioxidant activity, were found in the Can fruits, whereas the Gül fruits were characterized by lower values. The amounts …


Identification Of Olive Cultivars Using Image Processing Techniques, ABDULLAH BEYAZ, RAMAZAN ÖZTÜRK 2016 TÜBİTAK

Identification Of Olive Cultivars Using Image Processing Techniques, Abdullah Beyaz, Ramazan Öztürk

Turkish Journal of Agriculture and Forestry

As a country in an olive production zone, olive (Olea europaea L.) production is of great economic importance for Turkey. Turkey has 88 domestic and 28 foreign cultivars of olive, all of which are located in the Kemalpaşa Production and Research Garden (Olive Gene Bank) at the Olive Research Station in İzmir (38°25'34.7628''N, 27°25'22.9872''E). The aim of this study was the identification of olive cultivars using image processing techniques. For this aim, images of olives, taken at 2896 x 1944 pixel and 300 dpi resolution, were captured using a DSLR camera, and evaluations of pixels were used for considering the …


Diversity Pattern Among Agromorphological Traits Of The Swiss Chard(Beta Vulgaris L. Subsp. Vulgaris) Genetic Resources Of Turkey, MEHMET KADRİ BOZOKALFA, DURSUN EŞİYOK, TANSEL KAYGISIZ AŞÇIOĞUL 2016 TÜBİTAK

Diversity Pattern Among Agromorphological Traits Of The Swiss Chard(Beta Vulgaris L. Subsp. Vulgaris) Genetic Resources Of Turkey, Mehmet Kadri̇ Bozokalfa, Dursun Eşi̇yok, Tansel Kaygisiz Aşçioğul

Turkish Journal of Agriculture and Forestry

Swiss chard (Beta vulgaris L. subsp. vulgaris) is a nutritionally rich leafy vegetable of moderate economic value. Despite being the first species among the genus Beta to be cultivated, knowledge regarding its biodiversity and agronomic and morphological properties is limited. The objective of this study was to evaluate the agromorphological characteristics of the Turkish Swiss chard genetic resources, and to determine their genetic relationships and diversity. To achieve this, a total of 52 Swiss chard accessions from a wide range of environmental and geographical origins in Turkey and two cultivars (one local and one foreign) were investigated. Fourteen qualitative and …


Strain Identification And Sequence Variability Of Plum Pox Virus In Turkey, KAHRAMAN GÜRCAN, AHMET CEYLAN 2016 TÜBİTAK

Strain Identification And Sequence Variability Of Plum Pox Virus In Turkey, Kahraman Gürcan, Ahmet Ceylan

Turkish Journal of Agriculture and Forestry

Plum pox virus (PPV) is the causal agent of sharka disease of stone fruit trees. Since the late 1960s, PPV infection has been reported in different regions of Turkey. In this study, we aim to discover PPV strains in infected regions and determine its genetic variability in Turkey. For this reason, 612 samples were collected from distant locations, where PPV was previously detected in most cases. First, PPV presence in the samples was tested with serological and molecular methods to confirm the disease. Then 314 positive samples were sequence analyzed at a 664-nucleotide length, including the P3-6K1 gene region, one …


Cadmium Contents Of Soils And Durum And Bread Wheats On Harran Plain, Southeast Turkey, ASUMAN YANARDAĞ, AHMET RUHI MERMUT, ANGEL FAZ CANO, DORA MARIA CARMONA GARCES, İBRAHİM HALİL YANARDAĞ 2016 TÜBİTAK

Cadmium Contents Of Soils And Durum And Bread Wheats On Harran Plain, Southeast Turkey, Asuman Yanardağ, Ahmet Ruhi Mermut, Angel Faz Cano, Dora Maria Carmona Garces, İbrahi̇m Hali̇l Yanardağ

Turkish Journal of Agriculture and Forestry

Durum wheat (Triticum turgidum durum (Desf.) Husn.) is produced on a large scale in Turkey, northern Syria, Kazakhstan, Iran, southern Europe, and North America, and is widely used for making spaghetti, noodles, couscous, and flatbreads. Uptake of Cd by durum wheat species is well known. The objectives of this study were to determine the cadmium (Cd) level of the soils and durum and bread wheat grown on Harran Plain, southeast Turkey, and evaluate it in terms of food safety. Soil samples were taken from 16 selected grains, leaves, and roots of durum and bread wheats for analyses. The total Cd …


Bread Wheat Responds Salt Stress Better Than Einkorn Wheat Does During Germination, DİDEM ASLAN, NUSRET ZENCİRCİ, MURAT ETÖZ, BÜLENT ORDU, SARA BATAW 2016 TÜBİTAK

Bread Wheat Responds Salt Stress Better Than Einkorn Wheat Does During Germination, Di̇dem Aslan, Nusret Zenci̇rci̇, Murat Etöz, Bülent Ordu, Sara Bataw

Turkish Journal of Agriculture and Forestry

Salt stress during germination degenerates crop establishment and declines yield in wheat (Triticum subsp.). Against salt (NaCl) stress, we investigated 12 bread (Triticum aestivum L.) and 10 einkorn wheat (T. monococcum subsp. monococcum) entries for germination rate, germinating power, coleoptile length, shoot length, root length, shoot/root length ratio, root fresh weight, root dry weight, and root fresh/dry weigh ratio. An effective blocking in variance analysis improved statistical significance and differentiation between germination stages and wheat entries. Salt total and salt ranking tolerance indices grouped the wheat entries into tolerant (Bayraktar 2000, Gerek 79, İkizce 96, Gün 91, Demir 2000, and …


Molecular Characterization Of Ancient Olive Genotypes From Hatay Province In Turkey, EBRU SAKAR, HÜLYA ÜNVER 2016 TÜBİTAK

Molecular Characterization Of Ancient Olive Genotypes From Hatay Province In Turkey, Ebru Sakar, Hülya Ünver

Turkish Journal of Agriculture and Forestry

Turkey's average share of world olive production is between 7% and 10% and the country is the fourth biggest table olive and olive oil producer in the world. More than fifty olive cultivars have been commercialized in Turkey and there are numerous olive genotypes in different olive-growing regions in Turkey that differ from each other in terms of leaf, flower, and fruit characteristics. The aim of the present study was to identify the 40 most widely grown olive genotypes in Hatay Province in Turkey using microsatellite or simple sequence repeat (SSR) markers. Ten SSR loci were selected and used to …


Color, Phenolic Composition, And Antioxidant Properties Of Hardaliye(Fermented Grape Beverage) Under Different Storage Conditions, BUKET AŞKIN, AZİZE ATİK 2016 TÜBİTAK

Color, Phenolic Composition, And Antioxidant Properties Of Hardaliye(Fermented Grape Beverage) Under Different Storage Conditions, Buket Aşkin, Azi̇ze Ati̇k

Turkish Journal of Agriculture and Forestry

This study was conducted to determine the effects of storage temperature and time on color and antioxidant properties of hardaliye. Hardaliye was obtained from papazkarası blue-black grapes as a potential source of anthocyanin pigment and high antioxidant activity. Grape variety plays a significant role in color, flavor, and chemical properties. However, the effects of storage conditions on products and especially on phenolic composition and antioxidant properties are not known because there is not any research about storage effects at different temperatures. For this purpose, hardaliye was produced by the conventional method. After having been exposed to lactic acid fermentation, it …


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