Person: TURHAN, AHMET
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TURHAN
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AHMET
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Publication Response of red pepper (Capsicum annuum L.) to foliar applications of zinc(Taylor, 2021-02-21) Turhan, Ahmet; Kuşçu, Hayrettin; Özmen, Neşe; TURHAN, AHMET; KUŞÇU, HAYRETTİN; ÖZMEN, NEŞE; Bursa Uludağ Üniversitesi/Mustafakemalpaşa Meslek Yüksekokulu/Bitkisel ve Hayvansal Üretim Bölümü; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Biyosistem Mühendisliği Bölümü; Bursa Uludağ Üniversitesi/Mustafakemalpaşa Meslek Yüksekokulu/Gıda İşleme Bölümü; 0000-0002-1976-8082; 0000-0001-9600-7685; AAH-4682-2021; AAG-5889-2021; AAG-5956-2021An open-field study considering the responses of red pepper plants to foliar applications of zinc (Zn) was conducted with the aim to understand its effect on fresh fruit yield (FFY) and paste yield (PY), and some physical and quality properties of the fruits. Four different doses of Zn (control 0.0%, 0.05%, 0.10% and 0.20%) were applied from the plant leaves as zinc sulfate (ZnSO4.7H(2)O). The effect of Zn applications on plant height (PH) and crop canopy percentage (CCP) was in a positive direction. The longest plants were obtained from 0.10% Zn application. Treatments of 0.10% and 0.20% Zn positively affected the weight (FW), diameter (FD) and height (FH) of pepper fruits, significantly increased compared to control. The highest FFYs were obtained from 0.10% and 0.20% Zn applied plants. PY increased 33% in response to 0.10% Zn treatment when compared with control. The highest fruit dry matter (DM) was obtained from both applications (0.10% and 0.20% Zn), while the highest soluble solids content (SSC) was determined at 0.20% Zn application. These results indicate that foliar application of Zn could be considered for red pepper cultivation to improve plant development, yields and some quality properties, particularly in regions where Zn insufficiently is high.Publication The effect of saline water application on tomato fruit yield and some quality parameters(Parlar Scientific Publications (P S P), 2020-01-01) Turhan, Ahmet; TURHAN, AHMET; Bursa Uludağ Üniversitesi/Mustafakemalpaşa/Meslek Yüksekokulu, /Bitkisel ve Hayvansal Üretim Bölümü; 0000-0002-1976-8082; AAG-5889-2021This study was carried out to determine the effect of different salt concentrations on the yield and fruit quality of industrial tomato (Lycopersicon esculentum L.). The study was conducted using the randomized parcel design under greenhouse conditions with 4 replicates, 3 pots per replicate. The results of this study showed that salinity levels above 2.6 dS m(-1) significantly reduced marketable yield and paste yield. In the tomato fruits, the soluble solids content and total sugar content significantly increased at 6.6 dS m(-1), the water content and lycopene content significantly increased at 4.6 dS m(-1), and these values all decreased significantly when the salinity exceeded the a aforementioned levels. There was a positive relationship between the total acid contents of the fruit and the salinity, and the total acid values of the fruit increased as the salt concentrations increased. This study revealed that industrial tomatoes could be grown in salinity up to 2.6 dS m(-1) without any decrease in yield. However, the results also showed that some desirable fruit quality properties of the industrial tomatoes (soluble solids content, total sugars and acids, and lycopene) could be improved by increasing soil salinity by a fair amount (6.6 dS m(-1)).Publication Influence of chloride on growth, fruit yield and quality parameters of processing pepper(Kahramanmaras Sutcu Imam Univ Rektorlugu, 2021-01-01) Turhan, Ahmet; Özmen, Neşe; TURHAN, AHMET; ÖZMEN, NEŞE; Bursa Uludağ Üniversitesi/Mustafakemalpaşa Meslek Yüksek Okulu.; 0000-0002-1976-8082This study was carried out to investigate the effects of irrigation water containing different Cl- on plant growth parameters, fruit yield and quality characteristics of pepper (C. annuum L. cv. Postal Capija). Nutrient solutions containing Cl- concentrations were applied to processing pepper plants and effects of Cl- on growth parameters, fruit yield and quality traits, leaf water potential and chloride contents were determined. Greenhouse experiments were conducted with the Cl- concentrations [control (0.27), 1.5, 3.0, 4.5, 6.0, 7.5 and 15.0 mM] were applied to pepper plants. Plant height, fresh and dry weight, fruit yield and fruit weight, length and diameter were not affected by increasing Cl- concentrations up to 3.0 mM, but further increases in Cl- concentration negatively influenced this results. The greatest dry matter and soluble solids content were obtained from 3.0 and 4.5 mM Cl- treatments. Increasing Cl- concentration increased fruit acid content; the greatest acid content was from the greatest Cl- concentration. Increasing growing media Cl- concentration increased leaf Cl- accumulation and Cl- concentration >3.0 mM reduced leaf water potential. Research results showed that Cl- concentrations in irrigation water are important for efficient and economical pepper cultivation, and using water containing more than 3.0 mM chlorine will jeopardize yield and quality.