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MERT, CEVRİYE

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CEVRİYE

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    Publication
    Studies on the gall characteristics of dryocosmus kuriphilus in chestnut genotypes in Yalova and Bursa provinces of Turkey
    (Univ Agr Sci & Veterinary Med Cluj-napoca, 2019-01-01) Gençer, Nimet Sema; Mert, Cevriye; GENÇER, NİMET SEMA; MERT, CEVRİYE; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Bitki Koruma Bölümü; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Bahçe Bitkileri Bölümü; AAH-3908-2021; EWK-9746-2022
    The Asian chestnut gall wasp Dryocosmus kuriphilus is a global pest of chestnut (Castanea spp.). It has been spreading in Turkey's forests and orchards since 2014. This pest imposes a big threat to the Turkish chestnut industry, which is among the top producers in the world. Its gall morphology has been related to pest pressure and host cultivar, thus eventually modulating plant damage with heavy impact on growth and fruit production. We compared gall characters (position on plant organ, ratios, dimensions, volumes, number of larval chambers) in wild Castanea sativa, two local cultivars and a Euro Japanese hybrid. Overall, leaf galls were more common (55.36%), followed by the stem (19.6%) and leaf stipule galls (15.29%). The mean number of chamber and volume value of gall types were 1.52-5.93 and 0.43-2.15 cm(3), respectively. The highest values were observed in 'stem gall'. The more gall formation was observed in the wild chestnut trees and 'Marigoule' than the other local varieties.
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    Publication
    Effects of naa and carbaryl on fruit set and return bloom for some apple (Malus domestica Borkh.) cultivars
    (Taylor, 2005-01-01) Mert, Cevriye; Soylu, Arif; MERT, CEVRİYE; Soylu, Arif; Uludağ Üniversitesi/Ziraat Fakültesi/Bahçe Bitkileri Bölümü; AAH-3908-2021; HIA-5036-2022
    This research was conducted in 1997 and 1998 to investigate the effects of naphthalene acetic acid (NAA) (5, 10, and 15 ppm), Carbaryl (1-naphthyl N-methylcarbamate) (750, 1000, and 1250 ppm), and NAA + Carbaryl (5 + 750, 7.5 + 750, and 10 + 750 ppm) applications on the return bloom of some standard apple (Malus domestica Borkh.) cultivars grafted on MM106 rootstock. Of these applications, 750 ppm Carbaryl for 'Starkspur Golden Delicious', 1250 ppm Carbaryl for 'Granny Smith' and Starkrimson Delicious', and 5 ppm NAA for 'Jonagold' increased the mean number of flower buds significantly, compared with the control treatments. The other treatments of Carbaryl, NAA, and NAA + Carbaryl also increased the mean number of flower buds in a nonsignificant sense with a few exception. A negative correlation between the final fruit set and the mean number of next year's flower buds was found for three cultivars. The correlation coefficients were r = -00.5150 (P < 0.05), r = -0.6999 (P < 0.05), r = -0.0335 for 'Starkspur Golden Delicious', 'Granny Smith', and 'Jonagold' cultivars, respectively. However, this relationship was positive and nonsignificant for ` Starkrimson Delicious' (r = 0.1980). (C) 2005 by The Haworth Press, Inc. All rights reserved.
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    Publication
    Pahs, pcbs and ocps in olive oil during the fruit ripening period of olive fruits
    (Springer, 2022-05-30) Sakın, A. Egemen; SAKIN, AHMET EGEMEN; Mert, Cevriye; MERT, CEVRİYE; Taşdemir, Yücel; TAŞDEMİR, YÜCEL; Bursa Uludağ Üniversitesi/Ziraat Fakültesi; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi/Çevre Mühendisliği Bölümü.; 0000-0002-0513-0520
    Because of their possible carcinogenic effects, it is crucial to determine levels of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in olive oils. However, there are a few studies about these pollutants' levels in olive oils and no other studies reported PAHs, PCBs and OCPs at the same time and during the ripening period of olives in olive oils. A modified clean-up technique was successfully applied for eliminating lipidic components. Additionally, this study does not just report the concentrations of these pollutants but also inspects the sources depending on the actual sampling site. Also, PCBs and OCPs carcinogenic risks in olive oil were reported for the first time in the literature. This study aims to present levels, carcinogenic risks, sources and concentration changes during the ripening period of these pollutants in olive oil. For this purpose, fruit samples for oil extraction were collected between the beginning of the fruit ripening and harvest period. Obtained olive oils from the fruits were extracted and cleaned up using the QuEChERS method. GC-MS and GC-ECD were used for the quantitative analysis of the targeted pollutants. The average concentrations for Sigma(16)pAHs, Sigma(37)PCBs and Sigma(10)OCPs were 222.48 +/- 133.76 mu g/kg, 58.26 +/- 21.64 mu g/kg and 25.48 +19.55 mu g/kg, respectively. During the harvest period, the concentrations were in a decreasing trend. Calculated carcinogenic risks were above acceptable limits for all groups and traffic, wood-coal burning, atmospheric transport and previous uses were the main sources. Results of the source determination indicated that some possible sources could be prevented with regulations and precautions.