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Articles by Arif Atak
Total Records ( 2 ) for Arif Atak
  Arif Atak , Ahmet Altindisli and Zekiye Goksel
  Grapes (Vitis vinifera L.) are believed to have health benefits due to their antioxidant activity and polyphenols. Thus scientists have conducted research to explore their positive effects on many chronic diseases. However, the phenolic content is variable depending on grape variety. In this study, we examined the grape hybrids total phenolics and antioxidant activities during the two different harvesting times in 2008 and 2009. Total phenolic content and antioxidant activity of hybrids were significant among hybrids for both years. However, the relationship between different harvest times was not significant. In 2008 KXP-10 hybrid and in 2009 BX2-149 hybrid have shown a higher phenolic and antioxidant activity according to the other varieties. These hybrids have dark berry color and seed. In 2009, hybrids which have seed total phenolic content and antioxidant activity were investigated with seed and without seed. Greater value was obtained hybrids which have analyzed with seed. Before registration 23 different hybrids or variety candidates which were obtained different Institutes were determined total phenolic content and antioxidant content.
  Arif Atak and Erdal Kaya
  Turkish flora has approximately 12,000 plant taxons and 35% of them are known to be endemic. The herbaceous and woody forms of peony plants have been commonly used as ornamental plants and for medical purposes, especially in the far East, for many years. Herbaceous species with 12 taxons including 55 populations have been detected and collected from Turkey’s flora since 2000. Then breeding programs started with interspecific crosses and some new hybrids were obtained. To achieve targeted results it is especially important to distinguish between the resulting herbaceous or woody structures of individuals. Therefore, the selected 10 SRAP primers were used to separate some woody and herbaceous peony hybrids and also standard peony cultivars from each other. Successful results were obtained with these SCAR primers. As a result of interspecific crosses the obtained herbaceous or tree structure of individuals that were most reliable, especially Me2+Em1 and Me8+Em2 primer pair combinations were derived from testing. Thus, they are the first hybrid plants with leaves and undesirable characteristics can be determined in those forms to be eliminated. Thus, targeted results have been obtained in a much shorter time while the ratio of peony breeding success has increased.
 
 
 
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