Browsing by Author "Coban H."

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    Ampelographic characterization of some grape cultivars (Vitis vinifera L.) grown in south-western region of Turkey
    (2011) Ates F.; Coban H.; Kara Z.; Sabir A.
    Ten grapevine cultivars (Vitis vinifera L.) were characterized according to the international grape descriptor lists. The morphology of various vine organs of some autochthonous and hybrid cultivars was described at several phenological stages, and pomologycal characteristics were determined during growth cycle. With respect to the ampelographic characters, great differences were observed among the studied cultivars. The relationships between the cultivars were further assessed via UPGMA dendrogram analysis. Certain characteristics were anticipated to play particular role in the constitution of the ampelographic dendrogram. Particular data observed in this study on some autochthonous grapevine cultivars would help to prevent disappearing local cultivars and to preserve germplasm collection.
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    Quality parameters of vineyard irrigation water in a semi-arid region: The Plain of Alasehir, Turkey
    (Parlar Scientific Publications, 2014) Yagmur B.; Aydin S.; Okur B.; Coban H.; Simsek H.
    Production of seedless raisins is extremely important in Aegean Region in Turkey. The Plain of Alasehir in province of Manisa in Aegean Region is extremely important for seedless raisin production since 25% of the seedless raisin has been grown in this area. The irrigation water samples were collected from 13 different water distribution locations in the Plain of Alasehir. Results showed that pH and EC (electrical conductivity) values were in a reasonable range except EC levels from two locations were slightly high. The vineyard irrigation water in the region was classified as type of C3S1. It was suggested that, the salt content might be monitored continuously since salinity might increase in the soil through the end of the irrigation season. The most common cations were Ca++ and Mg++, and anion was HCO3\ Trace elements and heavy metals were under the risk limits except Mn was high in three locations. Boron was high in nine sampling locations. Overall, irrigation waters in the Plain of Alasehir were suitable for vineyard irrigation as long as the contents of boron and salinity were continuously monitored. © by PSP.
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    The nutritional conditions and some heavy metal contents of the vineyards in a semi-arid area
    (Parlar Scientific Publications, 2015) Aydin S.; Yagmur B.; Coban H.; Simsek H.
    Turkey is one of the most important seedless raisin producers in the world market. Approximately, 82% of the seedless raisin has been produced in the western part of Turkey since the climate (semi-arid) of this region is very appropriate to grow seedless grape. More specifically, the Plain of Alasehir, located in the Gediz Basin in Aegean Region has been known its high quality seedless raisin production. About 25% of the seedless raisin of the entire Aegean Region is produced in the Plain of Alasehir. Therefore, the Plain of Alasehir region was selected to determine some heavy metal contents (Cd, Co, Cr, and Pb) and certain macro and micro element contents (N, P, K, Ca, Mg, Fe, Zn, Mn, and Cu) of the leaf samples obtained from the vineyards in the area. The plant samples from 13 vineyards were analyzed by collecting the samples across the first plant bunch during the veraison period. In terms of nutrition profile, N deficiency was detected in 15% of vineyards while P deficiency was determined in 38.5 % of the vineyards. Similarly, Fe deficiency was detected in the 30.8 % of the vineyards. The contents of Zn, Mn, Cu, K, Ca, and Mg were sufficient in all of the vineyards. Some heavy metal contents of the leaf samples were analyzed and it was found that there was no pollution for the Cd, Co, and Pb in all the vineyards. Cr pollution was not detected in 93.2% of the samples.