Yazar "Kilic, Derya" seçeneğine göre listele

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    Earliness, yield, and fruit quality characteristics in low chill peach-nectarines: a comparison of protected and open area cultivation
    (Tubitak Scientific & Technological Research Council Turkey, 2021) Caliskan, Oguzhan; Bayazit, Safder; Gunduz, Kazim; Kilic, Derya; Goktas, Sultan
    This study was carried out to determine the effects of protected cultivation on the earliness, yield, and fruit quality characteristics of some low chill peach-nectarine cultivars grown in the eastern Mediterranean region of Turkey. Phenological observations, yield parameters, and fruit quality characteristics were investigated:The chilling durations as CH (chilling hours), CU (chilling unit), and heat accumulations were determined. The 'Astoria' cultivar reached the highest cumulative yield of 29.11 kg/tree and 38.72 t/ha, and fruit size was 131.89 g and 61.74 mm in protected cultivation. The CH and CU values under protected cultivation were 28% and 40% lower than in open area cultivation, respectively. The heat accumulation was 30% higher for G DIH30 in the protected cultivation. The results of this study revealed that low chill peach-nectarine cultivars grown in protected cultivation showed variable earliness, yield, and fruit quality depending on chilling duration and heat accumulation.
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    Early detection of graft-incompatibility in hawthorn (Crataegus azarolus L.) trees on apple, pear, and quince rootstocks
    (Consejo Superior Investigaciones Cientificas-Csic, 2022) Kacal, Emel; Caliskan, Oguzhan; Ozturk, Gokhan; Gur, Ibrahim; Kocal, Hakki; Karamursel, Omer F.; Kilic, Derya
    Aim of study: This study was conducted to determine the usability of some clonal rootstocks of apple (MM 106 and MM 111), pear (Fox 11), and quince (Quince A) for hawthorn trees propagation. Area of study: Fruit Research Institute, Isparta and Hatay Mustafa Kemal University, Hatay, Turkiye. Material and methods: 'Sultan' hawthorn cultivar was budded on the following clonal rootstocks: pear Fox 11, quince A, and apple MM 106 and MM 111. Plants of hawthorn seedlings (Crataegus azarolus L.) budded with 'Sultan' cv. were used as control. External visual diagnosis of the scion-rootstock graft combinations was performed by observing visual symptoms in budded trees growing in nursery conditions, as well as anatomic and histological investigations of the incompatibility in the laboratory. Main results: In this study, healthy scion development and callus tissue in the graft region were formed in the seedling rootstock as well as on Fox11 and Quince A clonal rootstocks. In contrast, MM 106 and MM 111 apple rootstocks showed incompatibility symptoms, with insufficient scion vigor and unstructured callus tissue development. Research highlights: 'Tanslocated' and 'located' graft incompatibility symptoms were observed in Sultan/MM 106 and Sultan/MM 111 combinations. Further studies are necessary to confirm the early good compatibility found in nursery conditions, testing the effect of those clonal rootstocks from different species (Fox11 and Quince A) on vigor, yield, and fruit quality traits in orchard conditions.
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    Effects of Organic and Conventional Production Systems on Plant Vigor, Fruit Yield and Fruit Quality Attributes of Bananas Cultivated in the Mediterranean Region of Turkey
    (Springer, 2023) Bodur, Emre; Kilic, Derya; Caliskan, Oguzhan
    This study was designed to compare the plant vigor, fruit yield and quality characteristics of bananas produced by organic and conventional production systems in the Mediterranean region of Turkey. The two orchards under protected cultivation were located near each other in order to exclude any possible microclimate effects on the investigated properties. A significant difference was detected in the yield and the fruit quality parameters, based on the management systems and cultivars. 'Dwarf Cavendish' and 'Grande Naine' cultivars grown in conventional production were found to have more hands per bunch (14.00 and 14.20, respectively) than those grown in organic production (8.80 and 10.40, respectively). The largest fruit weight was found in the 'Dwarf Cavendish' (162.35 g) and 'Grande Naine' cultivars (190.81 g) from organic production. 'Dwarf Cavendish' had the highest bunch weight (46.20 kg) and yield (74.8 t/ha) from conventional cultivation, whereas 'Grande Naine' had the highest bunch weight (47.60 kg) and yield (69.9 t/ha) from organic cultivation. For both cultivars, fruits from organic cultivation analyzed at the ripe eating stage (stage 6) had greater total soluble solids, acidity, fruit peel L values, and pulp color b* values than the fruits grown with conventional cultivation. Sensory tests indicated that the organically grown bananas had a better flavor. These results reveal the widespread potential of organic banana cultivation in the Mediterranean region of Turkey.
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    Morpho-chemical characteristics useful in the identification of Fig (Ficus carica L.) germplasm
    (Springer International Publishing, 2023) Caliskan, Oguzhan; Bayazit, Safder; Kilic, Derya
    Morphological and chemical properties are widely used to identify fig genetic resources. However, many characteristics that can be used in identification are considered problematic in terms of time, labor, and sustainability. Therefore, it is necessary to optimize and use the most successful of these characteristics. This chapter aims to reveal the morphological properties that have been found successful in identifying fig genetic resources from past to present. Edible figs (Ficus carica var. domestica) and caprifig (Ficus carica var. caprificus) have different morphological characteristics, a gynodioecious species, making them a gynodioecious species. Therefore, it is necessary to investigate them separately. In edible figs, some plant characteristics such as ripening time and leaf characteristics, fruit characteristics such as size, shape, skin and ostiole cracking, skin and flesh color, and chemical properties such as total soluble solids (TSS), acidity, TSS/acidity, sugar profile, and phytochemical contents such as total antioxidant activity, total phenolics, and total anthocyanins are successful in distinguishing genotypes from each other. For the profichi product used in caprification in caprifigs, fruit characteristics such as fruit size, skin and pulp color, the number of gall flowers, pollen number per fruit, and pollen characteristics such as pollen size and shape, and pore number are successful in distinguishing individuals. The most distinctive parameters will contribute to selecting suitable parents in the establishment of fig breeding programs and the identification of genotypes. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2023. All rights reserved.
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    PHENOTYPIC VARIATION OF FIG GENOTYPES (Ficus carica L.) IN THE EASTERN MEDITERRANEAN OF TURKEY
    (Serbian Genetics Soc, 2020) Simsek, Erdem; Kilic, Derya; Caliskan, Oguzhan
    Turkey is one of the main genetic origins of figs (Ficus ssp.). The study was carried out to determine the phenotypic variation of fig genotypes grown in Tarsus, Mersin, in the eastern Mediterranean region of Turkey. In the study, 24 female fig genotypes selected from Tarsus were investigated based on plant and fruit quality characteristics. Only Haziran Inciri ripened the breba (first) crop and the other genotypes ripened the main crop. The fruit weight of the fig genotypes ranged between 22.37 g and 90.16 g, total soluble solids content (TSS) ranged between 12.6 and 25.0% and TSS/acidity ranged between 29.2 and 161.5. From the plant and fruit characteristics, 26 out of 45 attributes were determined to be more appropriate in the identification and discrimination of the fig genotypes in the research area. Siyah Incir6, Bardak1, Sari Incir1 and Siyah Incir3 genotypes were the highest in overall quality parameters. The results showed that the measured plant and fruit characteristics of the fig genotypes have significant phenotypic variations.
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    Pollen morphology and variability of caprifig (Ficus carica var. caprificus) genetic resources in Turkey using multivariate analysis
    (Elsevier, 2021) Caliskan, Oguzhan; Bayazit, Safder; Kilic, Derya; Ilgin, Muruvvet; Karatas, Nesrin
    This research was carried out to determine pollen morphological characteristics of caprifig genetic resources known as gene center Anatolia. In this study, pollens from 24 individuals, including 20 caprifig genotypes sampled from the Adana, Hatay, Kahramanmaras, Mersin, and Osmaniye provinces in the eastern Mediterranean region, and four standard cultivars from Aydin in the Aegean region of Turkey were collected. Pollen size and shape, exine thickness, exine tissue, polar and equatorial views, numbers of porates and width, and colpus length and width were measured by using light microscopy (LM) and scanning electron microscopy (SEM). Polar length and equatorial diameter of pollens ranged from 9.99 to 12.60 mu m and 8.52 to 11.90 mu m, respectively. In 13 genotypes, the pollen shape was prolate-spheroidal, while in the others, it was subprolate. The mean number of porates was 1.92 to 2.56, with the double porate being the most common. All studied caprifigs had scabrate and psilate exine ornamentation. The highest abnormal pollen ratio was found in 'Ak.Ilek' (34.10%), whereas it was lowest in the Osmaniye10 (1.28%). According to the principal component analysis, polar length, equatorial diameter, colpus width, pollen shape, number of porates, porate width, exine thickness, and abnormal pollen ratio were the most important characteristics in the differentiation of caprifig genetic resources. These results showed that pollen morphology can be used to identify caprifigs, select caprifigs for caprification, and determine the paternal individuals for edible fig-breeding programs.