Yazar "Odabas, Mehmet Serhat" için listeleme
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Agronomic characteristics of Serapias vomeracea (Burm. f.) Briq. salep orchids
Caliskan, Omer; Kurt, Dursun; Odabas, Mehmet Serhat (Univ Agr Sci & Veterinary Med Cluj-Napoca, 2020)Although salep orchids are annual plants, each new generation emerges larger than their parents. There are no data on the developmental performance of these species that cannot be cultivated due to production difficulties. ... -
Changes in phenolic content of wild and greenhouse-grown Hypericum triquetrifolium during plant development
Cirak, Cuneyt; Radusiene, Jolita; Karpaviciene, Birute; Camas, Necdet; Odabas, Mehmet Serhat (Tubitak Scientific & Technical Research Council Turkey, 2013)Hypericum triquetrifolium is a promising medicinal plant from eastern Europe and the Mediterranean area. The present study was conducted to determine ontogenetic and morphogenetic variation of chlorogenic acid, rutin, ... -
Changes in the contents of main secondary metabolites in two Turkish Hypericum species during plant development
Cirak, Cuneyt; Radusiene, Jolita; Camas, Necdet; Caliskan, Omer; Odabas, Mehmet Serhat (Informa Healthcare, 2013)Context: The genus Hypericum (Guttiferae) has received considerable scientific interest as a source of biologically active compounds. Objective: The study determined the morphogenetic and ontogenetic variation in the main ... -
Comparision of some models for estimation of reflectance of hypericum leaves under stress conditions
Temizel, Kadir Ersin; Odabas, Mehmet Serhat; Senyer, Nurettin; Kayhan, Gokhan; Bajwa, Sreekala Gopalapillai; Caliskan, Omer; Ergun, Erhan (De Gruyter Open Ltd, 2014)Lack of water resources and high water salinity levels are among the most important growth-restricting factors for plants species of the world. This research investigates the effect of irrigation levels and salinity on ... -
Determination of Reflectance Values of Hypericum'S Leaves Under Stress Conditions Using Adaptive Network Based Fuzzy Inference System
Odabas, Mehmet Serhat; Temizel, Kadir Ersin; Caliskan, Omer; Senyer, Nurettin; Kayhan, Gokhan; Ergun, Erhan (Acad Sciences Czech Republic, Inst Computer Science, 2014)The effects of water stress and salt levels on hypericum's leaves were examined on greenhouse-grown plants of Hypericum perforatum L. by spectral reflectance. Salt levels and irrigation levels were applied 0, 1, 2.5 and 4 ... -
Differential Phenolic Accumulation in Two Hypericum Species in Response to Inoculation with Diploceras hypericinum and Pseudomonas putida
Cirak, Cuneyt; Radusiene, Jolita; Aksoy, Hasan Murat; Mackinaite, Rimute; Stanius, Zydrunas; Camas, Necdet; Odabas, Mehmet Serhat (Czech Academy Agricultural Sciences, 2014)The genus Hypericum L. (St. John's-wort, Hypericaceae) has received scientific interest in recent years, because it is a source of a variety of bioactive compounds including the phenolics. We determine whether the typical ... -
Effect of Salt Stress and Irrigation Water on Growth and Development of Sweet Basil (Ocimum basilicum L.)
Caliskan, Omer; Kurt, Dursun; Temizel, Kadir Ersin; Odabas, Mehmet Serhat (De Gruyter Poland Sp Zoo, 2017)This study was conducted to assess the influence of different salinity and irrigation water treatments on the growth and development of sweet basil (Ocimum basilicum L.). Five salinity levels (0.4, 1.00, 2.50, 4.00 and ... -
The effects of salt and drought stress on phenolic accumulation in greenhouse-grown Hypericum pruinatum
Caliskan, Omer; Radusiene, Jolita; Temizel, Kadir Ersin; Staunis, Zydrunas; Cirak, Cuneyt; Kurt, Dursun; Odabas, Mehmet Serhat (Pagepress Publ, 2017)Hypericum pruinatum is a medicinal herb containing several bioactive compounds with important pharmacological activity. In this study, we investigated the effects of the salt 0.03 -control, 1, 2.5, 4 and 8 dS m(-1) of ... -
Estimating Chlorophyll Concentration Index in Sugar Beet Leaves Using an Artificial Neural Network
Caliskan, Omer; Kurt, Dursun; Camas, Necdet; Odabas, Mehmet Serhat (Hard, 2020)The artificial neural network (ANN) method was used in this study for predicting sugar beet (Beta vulgaris L.) leaf chlorophyll concentration from leaves. The experiment was carried out in field conditions in 2015-2016. ... -
The Estimation of Adult and Nymph Stages of Aphis Fabae (Hemiptera: Aphididae) Using Artificial Neural Network
Saruhan, Islam; Senyer, Nurettin; Ayvaz, Tamer; Kayhan, Gokhan; Ergun, Erhan; Odabas, Mehmet Serhat; Akca, Izzet (Amer Entomol Soc, 2015)In this research, the estimation of adult and nymph stages and adult of Aphis fabae was investigated using artificial neural network. Determining A. fabae nymph stages is difficult. Morphometric study of different parts ... -
Estimation of Chlorophyll Concentration Index at Leaves using Artificial Neural Networks
Odabas, Mehmet Serhat; Senyer, Nurettin; Kayhan, Gokhan; Ergun, Erhan (World Scientific Publ Co Pte Ltd, 2017)In this study, the effectiveness of an SPAD-502 portable chlorophyll (Chl) meter was evaluated for estimating the Chl contents in leaves of some medicinal and aromatic plants. To predict the individual chlorophyll concentration ... -
An evaluation of the relationship between physical/mechanical properties and mineralogy of landscape rocks as determined by hyperspectral reflectance
Maras, Erdem Emin; Caniberk, Mustafa; Odabas, Mehmet Serhat; Degerli, Burcu; Maras, Suleyman Sirri; Maras, Hadi Hakan (Springer Heidelberg, 2016)We investigated the relationships between mineral content and the physical and mechanical properties of landscape rock using a non-destructive remote sensing method applied in the laboratory. Using this technique, the ... -
The mathematical approach to the effect of potassium bicarbonate on mycelial growth of Sclerotinia sclerotiorum and Rhizoctonia solani in vitro
Erper, Ismail; Turkkan, Muharrem; Odabas, Mehmet Serhat (Lithuanian Inst Agriculture, 2011)In this study, we evaluated the effect of time (days of mycelial growth) and different doses of potassium bicarbonate (KHCO(3)) on mycelial growth of Sclerotinia sclerotiorum and Rhizoctonia solani by multi regression ... -
Mathematical modeling of the indole-3-butyric acid applications on rooting of northern highbush blueberry (Vaccinium corymbosum L.) softwood-cuttings
Celik, Huseyin; Odabas, Mehmet Serhat (Springer Heidelberg, 2009)The objective of the present study is to develop a mathematical model to predict the effect of indole-3-butyric acid (IBA) on mean rooting (%) and mean root growth of northern highbush blueberry cultivars (Vaccinium ... -
Modeling of the individual leaf area and dry weight of oregano (Origanum onites L.) leaf using leaf length and width, and SPAD value
Caliskan, Omer; Odabas, Mehmet Serhat; Cirak, Cuneyt; Odabas, Ferhat (Academic Journals, 2010)The study was aimed to modeling of the individual leaf area and dry weight of oregano ( origanum onites L.) using leaf length, leaf width and SPAD value. Non-destructive approach of modeling can be very useful for plant ... -
The modeling of the relation among the temperature and light intensity of growth in Ocimum basilicum L.
Caliskan, Omer; Odabas, Mehmet Serhat; Cirak, Cuneyt (Academic Journals, 2009)Changes in plant growth caused by the effects of environmental conditions such as temperature and light intensity were intended to be described by plant growth models. The study was aimed to define the relationships between ... -
Models of estimation of the content of secondary metabolites in some Hypericum species
Odabas, Mehmet Serhat; Radusiene, Jolita; Cirak, Cueneyt; Camas, Necdet (Taylor & Francis Ltd, 2009)In the present study, models for estimation of the content of main secondary metabolites, namely hypericin, pseudohypericin, and hyperforin, were developed for Hypericum origanifolium Willd. (Guttiferae), Hypericum perfoliatum ... -
Multilayer Perceptron Neural Network Approach to Estimate Chlorophyll Concentration Index of Lettuce (Lactuca sativa L.)
Odabas, Mehmet Serhat; Simsek, Halis; Lee, Chiwon W.; Iseri, Ismail (Taylor & Francis Inc, 2017)Nitrogen is an essential nutrient for greenhouse-grown lettuce (Lactuca sativa L.); however, excessive nutrient availability causes disease and detrimental effects on the leaf and root development. In this study, nitrogen ... -
Plant Counting With Low Altitude Image Processing
Demirci, Osman; Varul, Murat; Senyer, Nurettin; Odabas, Mehmet Serhat (Ieee, 2015)Efficiency of the products grown in field condition and the determination of this efficiencies can be determined at harvest time. Computer technology is the most widely used tool for precision farming applications in located ... -
Prediction Model of Leaf Area For Trigonella Foenum Graecum L.
Odabas, Mehmet Serhat; Aydin, Ali; Kevseroglu, Kudret; Cirak, Cueneyt (Soc Field Crop Sci, 2009)Reliable equations were offered to predict leaf area for Trigonella foenum. Lamina width, length and leaf area were measured without destroying plant to develop the models. All equations produced for leaf area were derived ...