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    Effects of Salinity on Some Citrus Rootstocks
    (Int Soc Horticultural Science, 2015) Yesiloglu, Turgut; Incesu, Meral; Yilmaz, Bilge; Tuzcu, Onder; Kamiloglu, Muge; Cimen, Berken
    Citrus is a major horticultural crop worldwide and known as relatively susceptible to salinity. Salt damages are usually displayed as leaf burn and defoliation and are associated with accumulation of toxic levels of Na+ and/or Cl- in leaf cells. Reactions against these toxicities depends on the rootstock used. In this study we have evaluated Tuzcu 891 sour orange, Swingle citrumelo, Volkameriana, Rubidoux trifoliate and Citremon in terms of salinity. The experiment was carried out in a greenhouse. The treatments were control [nutrient solution with electrical conductivity [EC(w) of 0.41 dS m(-1)] and salinity [nutrient solution with EC(w) 6.0 dS m((-1))] in a randomized block design with thirty replicants during 90 days period. Shoot and root dry weights, leaf and root potassium (K) concentrations, leaf and root calsium (Ca) concentrations, leaf and root chloride (Cl) concentrations, leaf and root sodium (Na) concentrations and symptoms in leaves were observed. Although root dry weight did not differ among those rootstocks, significant differences were determined in K, Ca, Cl, Na concentrations and shoot dry weights.
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    Molecular characterization and genetic diversity analysis of mandarin genotypes by SSR and SRAP markers
    (Wfl Publ, 2013) Kacar, Yildiz; Uzun, Aydin; Polat, Ilknur; Yesiloglu, Turgut; Yilmaz, Bilge; Gulsen, Osman; Tuzcu, Onder
    The aim of the present study was to characterize the mandarin germplasm conserved at the Tuzcu Citrus Variety Collection at Cukurova University in Turkey using simple sequence repeat (SSR) and sequence-related amplified polymorphism (SRAP) based molecular approaches. Genetic characterization of 65 mandarins was performed using 14 SSR markers and 21 SRAP markers. We originally tested 26 SSR markers, and 14 of these markers were selected due to their high polymorphism information content in the molecular assays. Thirty-eight alleles were detected at 14 loci. The number of alleles per SSR locus ranged from 2 to 4, with a mean of 2.7 alleles. The most informative loci were CAGG 9, CAT 01 and TAA 52 (4 alleles/primer). From the SRAP analysis, a total of 187 alleles were generated, and the polymorphism rate was 77%. The number of alleles detected by a single primer set ranged from 4 to 15, with an average of 8.90. The UPGMA dendrogram, defined by SSR and SRAP markers, revealed the genetic relatedness of the mandarin genotypes. These findings can be used to guide future breeding studies and germplasm management of these mandarin genotypes.
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    Pomological characterisation of different kiwifruit (Actinidia deliciosa) cultivars in Adana (Turkey)
    (Academic Journals, 2011) Yildirim, Bilge; Yesiloglu, Turgut; Uysal-Kamiloglu, Muge; Incesu, Meral; Tuzcu, Onder; Cimen, Berken
    Kiwifruit production in Turkey has increased very rapidly in recent years due to the high nutritional content, especially of vitamin. The performance and pomological characteristics of seven kiwifruit (Actinidia deliciosa) cultivars ('Hayward', 'Bruno', 'Monty', 'Abbott', 'Elmwood', 'Fatma' and 'Tere') were investigated during 2002 to 2007 in the Eastern Mediterranean region, Adana (Turkey). The fruit yield was determined every year from 2002 to 2007, and fruit quality was evaluated between 2002 and 2005. The highest yield per vine was obtained from 'Hayward' and 'Bruno', whereas the lowest yield was from 'Fatma' and 'Monty'. 'Elmwood' had the largest fruit size followed by 'Hayward'. The smallest fruit size was obtained from 'Tere' followed by 'Abbott' and 'Monty'. Vitamin C contents of these cultivars ranged from 78.00 to 52.38 mg ascorbic acid /100 g f.w. Fruit of Elmwood and Monty contained the highest concentrations of ascorbic acid followed by Hayward. For this area, it appears that the 'Hayward' variety is the most productive, has the largest fruit and highest vitamin C content.