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Öğe Effect of Hot Water Treatment on Astringency Removal in Persimmon Cultivars(Taylor & Francis Inc, 2020) Ozdemir, A. E.; Candir, E.; Toplu, C.; Yildiz, E.The aim of this study was to investigate the effect of hot water treatments on the removal of astringency in 'MKU Harbiye,' 'Kaki Tipo,' and 'Vainiglia' persimmon cultivars. Fruits were dipped in tap water at hot water at 40 degrees C for 5 h (HW 40 degrees C-5 h) or hot water at 50 degrees C for 1 h (HW 50 degrees C-1 h). Untreated (Control 1), 20 degrees C for 1 (Control 2, 20 degrees C-1 h), or 5 h (Control 3, 20 degrees C-5 h) and treated fruits were then kept at 20oC for 10 days of shelf life period. Changes in weight loss, appearance, firmness, total soluble solids, taste, fungal decay, fruit skin color, soluble and insoluble tannin content were determined during shelf life. In all cultivars, HW 40 degrees C-5 h was found to be successful in reducing the astringency and maintained firmness above the marketability limit for 10 days of shelf life period. The fruit treated with HW 40 degrees C-5 h became edible after 7 days at 20 degrees C while control fruits remained astringent based on soluble tannin content the entire shelf-life period. Although the HW 50 degrees C-1 h and Control 2 and 3 (20 degrees C-1 h or 20 degrees C-5 h) treatments received acceptable taste scores after 10 days, fruits from these treatments were slightly astringent.Öğe Performance of "rio red" grapefruit on seven rootstocks in the Eastern Mediterranean Region of Turkey(Tarbiat Modares University, 2014) Yildiz, E.; Kaplankiran, M.; Hakan Demirkeser, T.; Toplu, C.; Uysal-Kamiloglu, M.The effects of rootstocks such as 'sour orange' (Citrus aurantium L. var. 'Yerli'), 'Carrizo' and 'Troyer citranges' (Citrus sinensis Osb. x Poncirus trifoliata Raf), 'Smooth Flat Seville sour orange' (Citrus spp. hybrid of uncertain origin), 'Brazilian sour orange' (Citrus aurantiam L. var. 'Brasilian'), 'Volkameriana' (Citrus volkameriana Tan. and Pasq.) and 'Calamondin' (possibly Citrus reticulate var. austere×Fortunella hybrid, Swingle) on plant growth, fruit yield, and quality of 'Rio Red' grapefruit were investigated from 2008 to 2012. Rootstocks were found to have significant effects on plant growth, fruit yield, and quality. 'Rio Red' grapefruit trees budded on 'Carrizo' and 'Troyer citranges' showed higher vegetative growth parameters (canopy height, diameter, and volume) than the trees on the other rootstocks. The trees on 'Volkameriana' and 'Carrizo citrange' produced higher percentage of cumulative yield of about 55.1 and 34.3%, respectively, than the trees on 'sour orange'. 'Rio Red' grapefruit budded on 'Carrizo citrange' had higher fruit quality such as thin rind, high juice content, and more color development than the other rootstocks. 'Carrizo citrange' was the most promising rootstock for 'Rio Red' grapefruit in Dörtyol, Eastern Mediterranean region of Turkey.Öğe Performance of ''Rio Red'' Grapefruit on Seven Rootstocks in the Eastern Mediterranean Region of Turkey(Tarbiat Modares Univ, 2014) Yildiz, E.; Kaplankiran, M.; Demirkeser, T. Hakan; Toplu, C.; Uysal-Kamiloglu, M.The effects of rootstocks such as 'sour orange' (Citrus aurantium L. var. 'Yerli'), 'Carrizo' and 'Troyer citranges' (Citrus sinensis Osb. x Poncirus trifoliata Raf), 'Smooth Flat Seville sour orange' (Citrus spp. hybrid of uncertain origin), 'Brazilian sour orange' (Citrus aurantiam L. var. 'Brasilian'), 'Volkameriana' (Citrus volkameriana Tan. and Pasq.) and 'Calamondin' (possibly Citrus reticulate var. austerexFortunella hybrid, Swingle) on plant growth, fruit yield, and quality of 'Rio Red' grapefruit were investigated from 2008 to 2012. Rootstocks were found to have significant effects on plant growth, fruit yield, and quality. 'Rio Red' grapefruit trees budded on 'Carrizo' and 'Troyer citranges' showed higher vegetative growth parameters (canopy height, diameter, and volume) than the trees on the other rootstocks. The trees on 'Volkameriana' and 'Carrizo citrange' produced higher percentage of cumulative yield of about 55.1 and 34.3%, respectively, than the trees on 'sour orange'. 'Rio Red' grapefruit budded on 'Carrizo citrange' had higher fruit quality such as thin rind, high juice content, and more color development than the other rootstocks. 'Carrizo citrange' was the most promising rootstock for 'Rio Red' grapefruit in Dortyol, Eastern Mediterranean region of Turkey.Öğe Relationships among Crataegus accessions sampled from Hatay, Turkey, as assessed by fruit characteristics and RAPD(Springer, 2011) Serce, S.; Simsek, O.; Toplu, C.; Kamiloglu, O.; Caliskan, O.; Gunduz, K.; Ozgen, M.The genus Crataegus known as hawthorns, is the largest genus among the Maloideae, which comprises 265 species. Turkey is one of the genetic centers of Crataegus and there are more than 20 species found in Turkey. The fruits of Crataegus are used as food and have high flavonoid, vitamin C, glycoside, anthocyanidin, saponin, tannin, and antioxidant levels. In this study, we attempted to characterize 15 Crataegus accessions sampled from Hatay, located in Eastern Mediterranean region of Turkey. The accessions belonged to several species; C. aronia (L.) DC. var. aronia, C. aronia var. dentata Browicz, C. aronia var. minuta Browicz, C. monogyna Jacq. subsp. azarella (Griseb.) Franco, and C. orientalis Pall. ex M. Bieb. var. orientalis. Fruit characteristics of the accessions exhibited considerable variation. The multivariate, principle component and cluster analyses indicated that the accessions belonged to three groups: (1) C. aronia var. arona accessions; (2) C. aronia var. dentata accessions; and, (3) C. monogyna subsp. azarella and C. orientalis var. orientalis accessions. The principle component analysis results also revealed that the first three components explained 46, 21, and 14% of the variation, comprising a total of 81%. The fruit length and width, leaf area, and soluble solids contents were highly correlated characteristics for the first three components. The 19 RAPD primers generated a total of 107 bands, where 76 of these were polymorphic. The molecular data analyses by principle coordinate and clustering showed similar results to those of pomological characteristics. There were three groups, (1) C. aronia var. arona accessions; (2) C. aronia var. dentata accession; and, (3) C. monogyna subsp. azarella. C. orientalis var. orientalis accession grouped with C. aronia var. arona accessions. Therefore, it can be concluded that, overall, the diversity patterns of pomological and molecular data, generated by RAPD, for Crataegus are in good agreement and the accessions of C. aronia var. aronia, C. aronia var. minuta, C. monogyna subsp. azarella and C. orientalis var. orientalis accessions.Öğe Yield and fruit quality performance of Nova and Robinson mandarins on three rootstocks in Eastern Mediterranean(Academic Journals, 2009) Demirkeser, T. H.; Kaplankiran, M.; Toplu, C.; Yildiz, E.Yield and fruit quality performances of Nova and Robinson mandarins were evaluated in the Mediterranean climate of Dortyol, Hatay, Turkey from 2002 to 2007. The cumulative yields of both Nova and Robinson mandarins over this 6 year production period were highest on Carrizo citrange and smallest on Troyer citrange. The fruit weight and seed content were affected by the rootstock in Nova mandarin. The heaviest fruits were obtained from Troyer citrange. For Robinson mandarins, the fruit weight and size were not affected by the rootstock, whereas the fruit color and skin structure were found to be affected by the rootstocks. In the two mandarin cultivars evaluated, the rind thickness, juice content, total soluble solids (TSS), total acidity (TA) and TSS/TA ratio were similar when the rootstocks were compared. For Nova and Robinson mandarins, all of the rootstocks gave good fruit quality for the fresh fruit markets in the Eastern Mediterranean region. In conclusion, we propose Carrizo and Troyer citranges as an alternative to sour orange rootstocks.
