Bu araştırmada, farklı patlıcan çeşitlerine ait tohumların hidropriming (HP), ozmopriming (OP) ve termopriming (TP) uygulamalarının tohum çimlenme kalitesi üzerine etkileri araştırılmıştır. Manisa kır çizgili (MKÇ), Kemer 27 (K) ve Aydın Siyahı (AS) çeşitlerinin farklı olgunluk seviyelerinde hasat edilen (çiçeklenmeden sonraki 50, 55, 60 ve 75 gün sonra) patlıcan tohumları 35 0 C'de 4 ve 8 saat (2 ve 4 sa aydınlık, karanlık) süre boyunca, %10'luk PEG-6000 ile OP, 35 0 C'de 4 ve 8 saat (2 ve 4 sa aydınlık, karanlık) sürede saf su ile HP ve 50°C'de 2 farklı sürede (15 ve 30 dakika) su banyosunda TP işlemlerine tabi tutulmuştur. İncelenen parametreler ile priming olumlu etkisinin tohumların olgunluğu ile ilişkili olduğu görülmüştür. Bağımlı değişkenler olan normal ve toplam çimlenme parametrelerinde priming, çeşit, olgunluk ve interaksiyonları istatistiksel olarak anlamlı farklılıklar barındırmaktadır (p<0.01). Kök ve sürgün uzunluk ölçüm sonuçları özellikle çeşitxolgunluk interaksiyonu bakımından ortalamalar arası farklılıklar (p<0.01) istatistiksel açıdan çok önemli bulunmuştur. AS çeşidinin 75.gün hasatlarına ait tohumlar, TP-15 dak ile kontrol tohumlarından %10 daha fazla çimlenme oranı göstermiştir. MKÇ 60.gün hasadının tohumlarında OP-4sa (%92) ve HP-4sa (%81) kontrol (%76) tohumlarına göre çimlenme üzerine daha olumlu etki yapmıştır. K çeşidi 60.gün hasadının tohumları ise, TP-30 dak uygulaması ile kontrolden yaklaşık %30 daha fazla çimlenmiştir. Tüm çeşitlerde özellikle olgun tohumlarda (60-75. gün hasat) kök ve sürgün uzunlukları TP ile kontrole göre daha fazla gelişim göstermiştir. Ayrıca OP ve HP uygulamalarının tohumlarında ilk nem kapsamlarında özellikle ham dönemde (50-55.gün hasat) daha fazla değişkenlik sağladığı belirlenmiştir. Patlıcan tohumlarında ekim öncesi uygulama olarak termopriming, kimyasal uygulamalara nazaran olumlu bir alternatif olarak sonuç vermiştir.
This paper focuses on the potential benefits of integrating physics demonstrations as a mediator for learning the physics of sound, acoustics and psychoacoustics in an undergraduate audiology classroom. The participants of this study were 54 first-year audiology students enrolled in the Physics of Sound and Acoustics course. According to the results, students’ physics achievement in a paper-pencil test (midterm exam) was found to be a good predictor for the good understanding of psychoacoustics. However, the results of a multiple regression analysis showed that student’s performance in physics demonstrations also mediate the process of learning in this course.
Context: With the changing lifestyle in modern society, the youth has become the target of substantial noise exposure. Both environmental noise and the use of personal electronic devices create a risk for youth’s hearing conservation as reported in several studies. Aims: This study aims to adapt and validate the Youth Attitude to Noise Scale (YANS), developed by Widén and Erlandsson for use in the Turkish setting. Settings and Design: The linguistic adaptation of the YANS into Turkish (YANS-Tr) was conducted with three experts in linguistics. A cross-sectional study was designed for high school students to establish the evidence for the reliability and validity of the scale. Methods and Material: 345 high school students participated in the pilot study. The demographic data form developed by the researcher was used to retrieve the information related to participants. Lastly, the 19-item YANS-Tr was delivered to students. Statistical analysis used: Exploratory and confirmatory factor analyses were performed for the construct validity. The Cronbach’s alpha coefficients were calculated for each dimension and the whole scale. Results: Four-dimensional structure was yielded for the YANS-Tr as in the original version of the scale. However, some items (8th, 10th, 18th, and 19th) were loaded under different dimensions. The reliability coefficient of the scale (Cronbach’s α = 0.79) was within the acceptable range. The mean overall YANS-Tr score was 2.68. When the mean scores are compared with other countries, Turkey stands higher than Sweden (2.10), close to Serbia (2.76) and Brazil (2.80), and lower than Belgium (3.10) and China (3.46). Conclusions: The YANS-Tr is shown to be a valid and reliable assessment tool to evaluate the students’ attitude to noise in Turkey.
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