Determination of the Effectiveness of Some Fungicides on Botrytis cinerea, the Causative Agent of Grapevine Gray Mold Disease

In this study, the effectiveness of Fenhexamid, Captan, Cyprodinil, Pyrimethanil and Hymexazol on Botrytis cinerea isolates obtained from vineyards were determined. For this purpose, the efficacy of fungicides at 0.01, 0.05, 0.05, 0.1, 0.5, 1, 5, 10, 25 and 50mu%253Bg%252FmL concentrations of each fungicide on mycelium development of Botrytis cinerea and on grape berries were investigated. PDA media containing different doses of fungicides were used to determine their efficacy on mycelium growth. In order to determine their efficacy on grape berries, they were wounded with a needle and treated with fungicides in two different ways, before and after infection. As a result of the experiment, Fenhexamide inhibited mycelium growth 100%25 at 0.5ppm, while the other fungicides hymexazole, cyprodinil and pyrimethanil inhibited 100%25 at 25ppm. Captan reached 100%25 inhibition rate only at 50ppm. In grape berries trials, fenhexamide and captan were more effective after infection, pyrimethanil was more effective when applied before infection, but hymexazole and cyprodinil had the same effect when applied before or after infection

Relationship between Morphologic, Phenotypic and Pathogenic Characteristics in Macrophomina phaselina Isolates from Cucumber Plants

During 2018 summer season, surveys were carried out in cucumber growing areas of Hatay province of Turkey. Roots and crowns of cucumber plants showing disease symptoms such as yellowing, wilting, root rot, damping-off and gumming were collected. A total of 25 Macrophomina phaseolina isolates were determined by morphologic characteristics on PDA medium. Colony sizes were measured after incubation for 3 days on PDA and colony diameters ranged from 45 to 81mm. A strong positive correlation was present between mycelial growth and disease severity (R%253D0,801). PDA medium amended with 120 mM potassium chlorate was used for phenotyping. Eight isolates were dense, 12 isolates feathery and 5 isolates were restricted. A high correlation was present between mycelial growth and disease severity (R%253D0.920). Sclerotia size of M. phaseolina isolates ranged from 19.1 to 29.9. In the pathogenicity test, cucumber seedlings were transplanted to plastic pots containing potting mixture of soil, perlite, peat (1%253A1%253A1) amended with 50g of M. phaseolina inoculum grown in cornmeal-sand mixture. Disease severity was measured with a 0-4 scale according to the symptoms on roots. Disease severity index was varied from 2 to 4 and virulence was significantly different (Plt%253B0.05) among isolates. Dense isolates were most virulent with the 3.75 mean disease scale followed by Feathery and Restricted phenotyped isolates with 3.17 and 2.27 respectively. According to the results of this study, a high correlation (R%253D0.92) was determined between chlorate phenotype and virulence in M. phaseolina isolates from cucumber plants in Turkey

Interaction of Seedling-Pathogens with Physiological Seed Quality Affecting Soybean Emergence and Seedling Growth

Seed vigor is a complex trait which refers the quick and uniform germination of seeds in the field. It can be highly affected by the genetic background of the seed, the environment where the seeds are grown, and storage conditions (Yang, X. B. 1999). Besides, seeds affected by quality parameters may respond differently to seedling pathogens in the soil%253B these responses are likely to differ according to environmental conditions. The main objective of the study was to evaluate the relationship between soybean quality and the effects of specific soil-borne pathogens on soybean emergence and seedling growth, with a specific focus on phenotyping early-stage roots. Seed lots with different levels of seed quality, represents a range of seed vigor with the same genetic background, were created by accelerated-aging (aa) treatments. The effect of aa on seed performance was tested in growth chambers with and without infested soil at 20 deg%253BC and 25 deg%253BC. A remarkable emergence reduction (65-55%25) was observed in the aged-seed. Synergistic effects between seed aging and Rhizoctonia solani infestation was observed on root biomass (root dry weight) and the numbers of root tips, forks, and crossings (plt%253B0.05). Besides, some parameters such as plant length and fresh weight, fresh root weight, root length, volume, and surface area were significantly affected by both seed quality and fungal inoculum. The results obtained from the study is expected to contribute on determining the impact of environmental conditions and stress factors on the epidemiology of soilborne pathogens. On the other hand, we expect that the results will shed light on developing new strategies for effective disease management

El efecto de la vibración aguda en el tiempo de reacción visual en esgrimidor

The purpose of this study is to determine the effect of an acute local vibration exercise on the visual reaction time of a fencer’s upper body extremities. Twenty-six male fencers between the ages of 15 and 23 (mean age, 17.38 ± 2.13 years, height: 173.6±9.1 cm, body mass: 70.2 ±14.1 kg) volunteered for this study. The reaction time test was applied before and after the vibration exercise (applied for 30 seconds in 27 Hz with a 2-mm amplitude). After 25 min. standard warming up, fencers were informed about the test, and three repeated reaction tests were performed to provide familiarization. The fencers started the reaction test in the standard fencing guard position. According to five signals coming at two to five second intervals from the target monitor, the fencers made touché by bending (attacking). The reaction time test had five trials. The average reaction time values pre-vibration, and post-vibration were compared. The visual reaction time measured pre-vibration were significantly longer than those measured post-vibration (p<0.001). Acute local vibration exercise applied to fencers shortened the visual reaction time. Given the fact that vibration can improve RT, the use of vibration in training has the potential to provide an advantage to fencers.El propósito de este estudio es determinar el efecto de un ejercicio de vibración local aguda en el tiempo de reacción visual de las extremidades superiores de un esgrimidor. Veintiséis esgrimidores masculinos entre las edades de 15 y 23 (edad media, 17.38 ± 2.13 años, altura: 173.6 ± 9.1 cm, masa corporal: 70.2 ± 14.1 kg) se ofrecieron como voluntarios para este estudio. La prueba del tiempo de reacción se aplicó antes y después del ejercicio de vibración (aplicado durante 30 segundos en 27 Hz con una amplitud de 2 mm). Después de 25 min. calentamiento estándar, se informó a los esgrimidores sobre la prueba y se realizaron tres pruebas de reacción repetidas para proporcionar familiarización. Los esgrimidores comenzaron la prueba de reacción en la posición estándar de protección de esgrima. De acuerdo con cinco señales que vienen a intervalos de dos a cinco segundos desde el monitor objetivo, los esgrimistas hicieron un toque al doblarse (atacar). La prueba del tiempo de reacción tuvo cinco ensayos. Se compararon los valores promedio de tiempo de reacción pre-vibración y post-vibración. El tiempo de reacción visual medido antes de la vibración fue significativamente mayor que el medido después de la vibración (p <0.001). El ejercicio de vibración local aguda aplicado a los esgrimidores acortó el tiempo de reacción visual. Dado que la vibración puede mejorar la RT, el uso de la vibración en el entrenamiento tiene el potencial de proporcionar una ventaja a los esgrimidores

Education Supervision From The Point of View of Postgraduate Students

Bu araştırma, EYTPE alanında yüksek lisans yapan öğrencilere göre denetimin öneminin tespit edilmesi ve ders denetimi hakkındaki görüşlerinin belirlenmesi amacıyla yapılmıştır. Araştırmanın çalışma grubunu özel bir vakıf üniversitesinin EYTPE alanında yüksek lisans yapan 43 öğrenci oluşturmaktadır. Araştırmanın amacına ulaşmak üzere katılımcılara açık uçlu sorular içeren görüşme formları verilmiştir. Verilerin analizi içerik analizi tekniği ile yapılmıştır. Çalışmanın sonucuna göre denetim, eğitimdeki eksikliklerin tespit edilmesi, giderilmesi ve öğretmenin mesleki gelişimi açısından önemli görülmüştür. Denetim olmayınca kaos ortamının oluşacağı görüşü ağırlıklı olarak ifade edilmiştir. Elde edilen sonuçlara dayalı olarak, yapılan yasal değişikliklerden sonra kendisinden ders denetimi yapması beklenen müdürlerin bu konuda yeterliliklerini arttırmak için gerekli eğitimleri almalarının sağlanması önerilmiştir.This research is applied on post graduate students who studies on EYTPE and aims to identify the importance of the audit and to determine the students' views on lesson audit. The research group consists of 43 post graduate students who study on EYTPE at a foundation university. To conduct the research, interview forms are given to the participants which consist of open ended questions. Data analysis is done with the content analysis technique. According to the research, audit is seen as a very important factor to detect and resolve the inadequacy in education and enhance the teachers' career development. It is strongly considered that there would be a chaos if no audit exists. Participants approved the audit which will be done by the education inspectors who would be more objective and more professional. According to the results of the research, after the legislative changes, it is proposed to the school directors to take the necessary education to increase their ability on education audit

Kayısı Bitkilerinden Elde Edilen Macrophomina phaseolina İzolatlarının Büyüme Oranları, Patojenisiteleri, Klorat Fenotipleri ve Genetik Çeşitlilikleri

Hatay iline bağlı kayısı alanlarında ve ev bahçelerinde 2014 yılı yaz aylarında arazi çalışmaları gerçekleştirilmiştir. Arazi çalışmaları sırasında sararma, solgunluk ve kök çürüklüğü gibi belirtiler gösteren kayısı bitkilerinden örnekler alınmıştır. Hastalıklı bitki dokuları yüzeyden dezenfekte edildikten sonra içinde tetrasiklin bulunan PDA ortamına ekilmiştir. Beş günlük inkübasyonun ardından, gelişen fungal koloniler mikroskobik ve makroskobik özelliklerine göre teşhis edilmiştir. Toplam 30 izolat Macrophomina phaseolina olarak teşhis edilmiştir. Tüm izolatlar tek mikrosklerot ya da hif ucu yöntemleri ile saflaştırılmış ve +6°C’de saklanmıştır. Her bir izolattan 10mm çapında diskler alınarak PDA ortamına transfer edilmiş ve 15, 20, 25 ve 30, 35 ve 40°C sıcaklıklarda gelişmeye bırakılmıştır. Optimum gelişme sıcaklığı 25 ve 30°C olarak tespit edilmiştir. Klorat fenotiplerini belirlemek amacıyla tüm izolatlar 120mM potasyum klorat içeren minimal ortamlarda geliştirilmiş ve sonuçta 30 izolatın 21’i sıkı, 6’sı parçalı ve 3’ü ise sınırlı gelişim göstermiştir. Lokasyon ile fenotip arasında herhangi bir ilişkiye rastlanmamıştır. Patojenisite testinde, tüm izolatlar kayısı, yerfıstığı, soya, mısır ve kavun bitkilerine inokule edilmiş ve 21 günlük inkübasyon süresinin ardından hastalık şiddeti 0-4 skalası kullanılarak belirlenmiştir. Hastalık şiddeti en yüksek 3,87 ile kayısı bitkilerinde oluşurken, yerfıstığı, soya, mısır ve kavun fidelerinde orta düzeyde hastalık şiddetinin oluştuğu ve aralarında istatistiksel olarak bir farkın olmadığı tespit edilmiştir. Moleküler çalışmalarda 14 farklı RAPD primeri kullanılmış olup, agaroz jel üzerinde oluşan 51 bandın 14’ü polimorfik olarak bulunmuştur. Filogenetik ağaç üzerinde 2 temel grup gözlenirken, bu iki grupta pek çok alt grubun oluştuğu gözlenmiştir. Oluşan gruplar ile lokasyonlar, sıcaklık tepkileri, klorat fenotipleri ve patojenisiteleri arasında herhangi bir ilişkinin bulunmadığı tespit edilmiştir

Measuring tactical creativity with the help of divergent thought: Example of TRNC U-21 football teams

This study aims on the assessment of the situations of tactical orientation of 36 young, elite soccer players born in the years 1999-2000-2001, selected between 2 cities, 6 teams which belong to Cyprus Turkish Football Association (Kıbrıs Türk Futbol Federasyonu) in Turkish Republic of Northern Cyprus. This study evaluates the aspects in two ways. In order to evaluate the tactical directed situations, specific tactics and creative performance were measured with respect to Game Test. In case 1, Longitudinal design was carried to analyse intra-individual improvements of elite young football players according to football-specific creativity and tactical game intelligence by using a dynamic performance diagnostic tool. In case 2, cross-sectional design was carried in which objective, valid, differentiative enough to record, tactical indicators were created to measure football-specific creativity and game intelligence as a diagnostic instrument. In both of the studies, different evaluation criteria were spotted and with these criteria, players were scored. According to these scores, divergent tactical thinking results has been obtained. The results according to divergent tactical thinking showed that disparate changes were obtained in between the players of KTFF U-21. As a result, the practical implications for the processes of training has been deeply discussed in both cases

Comparison of critically ill COVID-19 and influenza patients with acute respiratory failure

Background Coronavirus disease 2019 (COVID-19) is one of the biggest pandemic causing acute respiratory failure (ARF) in the last century. Seasonal influenza carries high mortality, as well. The aim of this study was to compare features and outcomes of critically-ill COVID-19 and influenza patients with ARF. Methods Patients with COVID-19 and influenza admitted to intensive care unit with ARF were retrospectively analyzed. Results Fifty-four COVID-19 and 55 influenza patients with ARF were studied. Patients with COVID-19 had 32% of hospital mortality, while those with influenza had 47% (P=0.09). Patients with influenza had higher Eastern Cooperative Oncology Group, Clinical Frailty Scale, Acute Physiology and Chronic Health Evaluation II and admission Sequential Organ Failure Assessment (SOFA) scores than COVID-19 patients (P<0.01). Secondary bacterial infection, admission acute kidney injury, procalcitonin level above 0.2 ng/ml were the independent factors distinguishing influenza from COVID-19 while prone positioning differentiated COVID-19 from influenza. Invasive mechanical ventilation (odds ratio [OR], 42.16; 95% confidence interval [CI], 9.45–187.97), admission SOFA score more than 4 (OR, 5.92; 95% CI, 1.85–18.92), malignancy (OR, 4.95; 95% CI, 1.13–21.60), and age more than 65 years (OR, 3.31; 95% CI, 0.99–11.03) were found to be independent risk factors for hospital mortality. Conclusions There were few differences in clinical features of critically-ill COVID-19 and influenza patients. Influenza cases had worse performance status and disease severity. There was no significant difference in hospital mortality rates between COVID-19 and influenza patients

Tekstil sektöründe Avrupa Birliği IPPC direktifi ile uyum çalışmaları: BAT uygulamaları

TÜBİTAK ÇAYDAG15.01.2008Bu çalışma, Türkiye'de bir tekstil işletmesi için IPPC (Entegre Kirlilik Önleme ve Kontrolü) Direktifi kapsamında "Mevcut En İyi Teknikler"in ilk uygulaması ve değerlendirmesidir. IPPC Direktifi'nin hayata geçirilmesinde rehber olacak bir "en iyi uygulama örneği" tekstil sektörü için geliştirilmiş ve bu kapsamda işletme için "Mevcut En İyi Teknik" ihtiyaçları belirlenmiştir. Sürdürülebilir hammadde ve atık yönetimi için, ilk olarak, üretim süreçlerinin BREF ("Mevcut En İyi Teknikler" Referans) Dokümanı ile detaylı karşılaştırılması yapılmıştır. Su yoğun bir sektör olması sebebiyle, proseslerde geri kullanımı mümkün olabilecek atıksular belirlenip atıksu karakterizasyon çalışmaları yürütülmüştür. Proses atıksularında ve tesisten çıkan toplam atıksuda geri kazanım olanaklarının araştırılması için atıksu yönetim stratejisi oluşturulmuştur. Bu stratejiyle uyumlu olarak, üretim süreçlerinin BREF Tekstil Dokümanı ile detaylı karşılaştırılması yapılmış, gerek atıksuların geri kullanım amaçlı arıtılabilirliği gerekse su kullanımının ve atıksu üretiminin azaltımı üzerine çalışılmıştır. Uygulanabilir BAT önerileri fabrika yetkilileri ile birlikte çalışarak belirlenmiştir. Atıksu yönetimi çalışmalarının yanı sıra, enerji tüketiminin azaltılması, kimyasal değişikliği ve çevresel risk analizi çalışmaları da yürütülmüştür.This study was undertaken as the first application and evaluation of Best Available Techniques (BAT) within the context of the IPPC (Integrated Pollution Prevention and Control) Directive to a textile mill in Turkey. A “best practice example”, which will form a guideline for the implementation of the IPPC Directive, is to be developed for the textile sector; and within this context BAT requirements for the mill were determined. In order to achieve a sustainable resource and waste management; firstly, a detailed screening of the production processes with respect to BREF (BAT Reference) Textile Document was made. Being a water intensive sector, wastewater characterization study was conducted to identify the possible candidate wastewaters to be reused. A wastewater management strategy was adopted to investigate the possible reuse opportunities in the process wastewaters along with the composite mill effluent. In line with this strategy, production processes were analyzed in depth in accordance with the BREF Document not only to treat the generated wastewaters for their possible reuse but also to reduce the amount of water consumption and wastewater generation. Applicable BAT options were determined in cooperation with the mill staff. Besides studies related to wastewater management, minimization of energy consumption, chemical substitution and environmental risk analysis studies were also conducted