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النتائج 1251 - 1260 من 5,301
Ekmeklik Buğdayda (Triticum aestivum L.) Başaklanma Döneminde Toprak ve Yapraktan Uygulanan Ürenin Tane Verimi ve Kalite Özellikleri Üzerine Etkisi النص الكامل
2019
Erdinc Savasli | Oğuz Önder | Yaşar Karaduman | Ramis Dayıoğlu | Didem Özen | Suat Özdemir | Arzu Akın | Zafer Saban Tunca | Bedrettin Demir | Nevzat Aydın
Bu çalışma, azotlu gübre miktarı ve uygulama formunun ekmeklik buğdayın tane verimi ve kalitesi üzerine etkisinin araştırmak amacıyla Eskişehir Geçit Kuşağı Tarımsal Araştırma Enstitüsü’nde kuru (yağmura bağımlı) ve sulu koşullarda iki üretim sezonunda yürütülmüştür. Kuru koşullarda 7 adet ve sulu koşullarda 8 adet ekmeklik buğday çeşidi materyal olarak kullanılmıştır. Üre, başaklanma döneminde, granül ve yapraktan uygulama şeklinde verilmiştir. Her uygulamada çeşitlerin tane verimi, bazı teknolojik kalite özellikleri belirlenmiştir. Her iki denemede yapraktan üre uygulaması ile SDS sedimantasyon değeri, protein oranı, gluten agregasyon enerji değeri (AGGEN) ve maksimum tork (BEM) değerlerinde artış olurken; peak maksimum zaman (PMT) değerinde azalma olmuştur. Kuru ve sulu şartlarda çeşitler arasında SDS sedimantasyon değerleri açısından istatistiki olarak önemli farklılar olduğu belirlenmiştir. Araştırmada; sulu ve kuru şartlarda yapraktan üre uygulaması ile granüle göre genotiplerden yüksek ekmeklik kalite ile ilişkili olarak Glu-A1 lokusunda 2* alt ünitesi taşıyanların tane veriminde %9,0, protein oranında %6,5, sedimantasyon değerinde %17,0 ve BEM değerinde %3,8; Glu-D1 lokusunda 5+10 alt ünitesi taşıyanların tane verimde %8, protein oranında %5,6, sedimantasyon değerinde %16,0, BEM değerinde %6,4; Glu-B1 lokusunda 7+9 alt ünitesi taşıyanların tane veriminde %7,0, protein oranında %6,0, sedimantasyon değerinde %19,6 ve BEM değerinde %7,2 artış olduğu belirlenmiştir. Araştırma sonucunda, ekmeklik buğdayın tane verimi ve teknolojik kalite özelliklerinin iyileştirilmesinde başaklanma döneminde yapraktan üre uygulamasının oldukça olumlu sonuçlar verdiği görülmüştür.
اظهر المزيد [+] اقل [-]Fully Controlled Production and Sex Control of European Catfish (Silurus glanis Linnaeus, 1758) النص الكامل
2019
Hülya Saygı | Fatih Güleç
This study aims to fully controlled production of european catfish (Silurus glanis) and to increase fertilization and survival rates using different solutions and methods, enrichment of natural stocks with the obtained larvae and to provide participation as a new species in addition to species cultivated in Turkey. The study was carried out in Gürle Trout Farm in Manisa province. Eggs and sperm, that had been obtained from the broodstock, exposed to various fertilization methods and the fertilized eggs were put in the zuger jars and made triplicate trials. As a result, in this study, under the light of the findings obtained from different fish that was captured in different times and from two different regions; eggs that were treated with the urea-salt solution fertilization, eying and survival rates were higher than only salt solution application. Urea-salt solution for 10 minutes and the salt solution for 10 minutes were more successful. In addition, the time problem of working with living materials has become one of the biggest obstacles to this work. It is imperative that the reproductive cycle occurs once a year and in case of failure, it is needed to wait for the next cycle. In this context, it was not possible to tolerate the problems experienced in egg-taking, fertilization and survival activities in the last attempt. Therefore, the project had to be terminated here.
اظهر المزيد [+] اقل [-]Effect of Solid-State Fermentation on Main Nutritional Components, Some Minerals, Condensed Tannin and Phenolic Compounds of Olive Leaves النص الكامل
2019
Aydın Altop
This study was carried out to investigate the effects of solid-state fermentation (SSF) on main nutritional components, some minerals, condensed tannin and phenolic compounds of olive leaves. Two groups were formed as a fermented (FOL, Aspergillus niger ATCC 52172) and non-fermented olive leaves (OL). Suitable environmental conditions (humidity, temperature and pH) before SSF were established and fermentation lasted on day 8. After fermentation, while the crude fiber, neutral detergent fibre (NDF) and acid detergent fibre (ADF) content of FOL compared to OL were decreased, its the crude protein, ether extract, ash and condensed tannin contents were increased. Some macro minerals (Ca, N, K, P, Mg) and micro minerals components (Fe, Mn, Zn, Cu, B) of FOL and OL were varied. Although oleuropein content of FOL was decreased, it’s catechin and hydroxytyrosol contents were increased by SSF. These results showed that A. niger ATCC 52172 strain could be suitable inoculant to improve the nutritional content of olive leaves.
اظهر المزيد [+] اقل [-]Comparison of Least Squares, Ridge Regression and Principal Component Approaches in the Presence of Multicollinearity in Regression Analysis النص الكامل
2019
Soner Çankaya | Samet Eker | Samet Hasan Abacı
The aim of this study was to compare estimation methods: least squares method (LS), ridge regression (RR), Principal component regression (PCR) to estimate the parameters of multiple regression model in situations when the underlying assumptions of least squares estimation are untenable because of multicollinearity. For this aim, the effect of some body measurements on body weights (height at withers and rumps, body length, chest width, chest girth and chest depth, front, middle and hind rump width) obtained from totally 85 Karayaka lambs at weaning period raised at Research Farm of Ondokuz Mayis University was examined. Mean square error, R2 value and significance of parameters were used to evaluate estimator performance. The multicollinearity, between front and middle rump width which were used to estimate live weight, was eliminated by using RR and PCR. Although research findings showed that RR method had the smallest MSE and the highest R2 value, the estimates of PCR were determined to be more consistent when the importance tests of parameters were taken into account. The results showed that principal component regression approach should be used to estimate the live weight of Karayaka lambs at weaning period.
اظهر المزيد [+] اقل [-]Assessment of The Effects of Winter Condition on Sweet Sorghum Yield and Sugar Content النص الكامل
2019
Mohammed Abdalla Elgorashi Bakhite | Ghazi Hamid Badawi | Alfred Odindo | Lembe Samukelo Magwaza
Sweet sorghum is an important crop which is produced for food, energy and feed (Almodares and Hadi, 2009). The crop prefers warm moist soil for germination and emergence. However, it would be more beneficial if it can be grown in different seasons. A field experiment was carried to evaluate sixteen sweet sorghum genotypes [Sorghum bicolor (L.) Moench] under winter conditions in order to assess the possibility of producing the crop throughout the year since the crop consumes less water and has a short life cycle when compared with sugarcane. The genotypes we recollected from different areas of Sudan. The experiment was planted using a Randomized Complete Block Design with three replications. There were significant differences among genotypes with respect to the number of days to germination, plant height, number of leaves per plant, chlorophyll content, stem diameter, head weight, shoot fresh weight, head to shoot ratio, brix value, juice weight and number of days to maturity. A highly positive correlation (0.92) was observed between juice and shoot weight, and there was a negative correlation (-0.14) between brix value and head weight. The genotypes showed high variability in all mentioned parameters, hence, could be useful genetic resources for breeding winter adaptation.
اظهر المزيد [+] اقل [-]A Preliminary Study on Grazing Pattern of Sheep Transhumance in Turkey النص الكامل
2019
Sezen Ocak Yetişgin | Şeyma Aydemir
Grazing activities of indigenous sheep breed of the Turkish breed Karakaş and Koçeri which were transhumance flocks were investigated in a typical unimproved mountainous pasture in the East of Turkey. Data were collected from two different flocks on main daily activities (grazing, resting, moving or standing) every fifteen minutes. The characteristics of the pastures around the routes were assessed according to CORINE Land Cover classification system. Standing was a residual activity in both study paths. The animals concentrated their activity mostly on grazing while resting and moving occurred in specific times during the whole grazing period. Once the animals were heading back to their main settlement areas to be milked, grazing activity have been increased. Further studies on grazing behavior and changes in land cover will help to adjust the management strategies to the available natural resources.
اظهر المزيد [+] اقل [-]Health Benefits of Ganoderma lucidum as a Medicinal Mushroom النص الكامل
2019
Sanem Bulam | Nebahat Şule Üstün | Aysun Pekşen
Ganoderma lucidum (Curtis) P. Karst., known as “Lingzhi” in China or “Reishi” in Japan, is a well-known medicinal mushroom and traditional Chinese medicine, which has been used for the prevention and treatment of bronchitis, allergies, hepatitis, immunological disorders and cancer. G. lucidum is rarely collected from nature and mostly cultivated on wood logs and sawdust in plastic bags or bottles to meet the demands of international markets. Diverse groups of chemical compounds with pharmacological activities, isolated from the mycelia and fruiting bodies of G. lucidum are triterpenoids, polysaccharides (β-D-glucans), proteins, amino acids, nucleosides, alkaloids, steroids, lactones, lectins, fatty acids, and enzymes. The biologically active compounds as primarily triterpenoids and polysaccharides of G. lucidum have been reported to possess hepatoprotective, antihypertensive, hypocholesterolemic, antihistaminic effects and antioxidant, antitumor, immunomodulatory, and antiangiogenic activities. Several formulations have been developed, patented and used as nutraceuticals, nutriceuticals and pharmaceuticals from G. lucidum’s water or ethanol extracts and rarely purified active compounds. As the result of clinical trials, various products have commercially become available as syrup, injection, tablet, tincture or bolus of powdered medicine and an ingredient or additive in dark chocolate bars and organic fermented medicinal mushroom drink mixes such as green teas, coffees, and hot cacaos. This review has intended to give and discuss recent knowledge on phytochemical and pharmacological compositions, therapeutic and side effects, clinical trials, and commercial products of G. lucidum.
اظهر المزيد [+] اقل [-]Evaluation of Nutritional and Medicinal Values of Edible Wild and Cultivated Pleurotus ostreatus النص الكامل
2019
Sanem Bulam | Nebahat Şule Üstün | Aysun Pekşen
Because of its high nutritional value and pharmaceutical effects, oyster mushroom (Pleurotus ostreatus (Jacq. ex Fr.) P. Kumm.) is collected from nature and cultivated in large scale. This therapeutic mushroom is consumed as a functional food or food additive in soups, cereal and dairy products, and commercially used in nutraceuticals and dietary supplements. The mycochemicals including polysaccharides (crude fiber and β-glucans), essential amino acids, ergothioneine, peptides, (glyco)proteins, lectins, phenolic compounds, polyketides (lovastatin), (tri)terpenoids, and enzymes are naturally found in the fruiting bodies and mycelial biomass of P. ostreatus. The major bioactive compounds concentration of this mushroom may be increased by modification of the substrate composition and cultivation or postharvest conditions. The goal of this review is to evaluate the results of the studies about the biochemical composition and medicinal properties of edible wild and cultivated P. ostreatus. Furthermore, the advanced novel cultivation techniques, biotechnological processes, and postharvest treatments were given in order to increase its nutritional and nutraceutical values.
اظهر المزيد [+] اقل [-]Effects of Organic Fertilizer and Drying Methods on Total Phenolic Content and Antioxidant Capacity of Organic White Tea (Camellia sinensis (L.) Kuntze) النص الكامل
2019
Emine Yurteri | Aysel Özcan | Fatih Seyis
The aim of this study was to determine the effect of different fertilizer doses and drying methods on total phenolic contents and antioxidant activity of organic white tea (Camellia sinensis (L.) Kuntze) obtained from Hemşin Valley, region of Rize/Turkey. The determination of phenolic constituents was done by the Folin-Ciocalteau method and the determination of antioxidant activity by the FRAP method. The results showed that the phenolic content of white tea was as follows: 443,7- 506,2 µg GAE/g DW in the drying oven, 421,4- 473,6 µg GAE/g DW in shadow and 434,4- 485,2 µg GAE/g DW in the liofilizator. According to the FRAP method the antioxidant activity was as follows: 1130,1-1176,9 mg FeSO4/gr DW in drying oven, 1141,2-1157,1 mg FeSO4/gr DW in shadow and 1005,3-1183,2 mg FeSO4/gr DW in lyophylizator. The results revealed that different fertilizer doses and drying methods had important effects on the total phenolic content and antioxidant activity of white tea.
اظهر المزيد [+] اقل [-]The Effect of Sea Lettuce (Ulva lactuca) Liquid Fertilizer and Zeolite Combinations on the Development of Cucumber (Cucumis sativus) النص الكامل
2019
Mustafa Türkmen | Ayşe Su
The combinations of organic liquid fertilizer material obtained from sea lettuce (Ulva lactuca) and different concentrations of zeolite were applied to the cucumber (Cucumis sativus) plant in six treatments with three replicates each. The combinations of the experimental groups were as follows; control group, G1 group 180 g Z (Zeolite), G2 group 90 g Z + 1140 ml Liquid Fertilizer (LF), G3 group 180 g Z + 620 ml LF, G4 group 270 g Z + 310 ml LF, G5 group 620 ml LF. Except the control group, all zeolites were applied with the first dose of liquid fertilizer, and other liquid fertilizer doses were given in three periods, after germination, flowering and yield. While the lowest germination rate was in control group, the highest rate was in group with 60 g zeolite. While the lowest seedling weight was observed in group with 90 g zeolite + 1140 ml liquid fertilizer, the highest rate was in group with 180 g zeolite + 620 ml liquid fertilizer. While the highest cucumber weight was observed in group with 270 g zeolite + 310 ml liquid fertilizer, the lowest was in group with 620 ml liquid fertilizer. Therefore, it may be said that zeolite has positive effect on germination. On the other hand, liquid fertilizer and zeolite combinations may have positive effects on the weight of the cucumber seedling and yield.
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