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Browsing by Author "Baloglu, S."

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    Conference Object
    The Incidence of Prunus Necrotic Ringspot (Pnrsv) and Apple Chlorotic Leafspot (Aclsv) Viruses on Stone Fruits Grown in East Anatolia Region of Turkey
    (int Soc Horticultural Science, 2006) Sipahioglu, H. M.; Baloglu, S.
    A number of surveys were carried out in the main stone fruit growing areas of Malatya, Elazig, Igdir, Erzincan and Erzurum provinces of East Anatolia (Turkey) for the detection of Prunus necrotic ringspot (PNRSV) and Apple chlorotic leaf spot (ACLSV) viruses. A total number of 1451 samples were tested by ELISA (1319 apricot, 97 cherry, 17 peach, 9 plum and 9 sour cherry). The presence of PNRSV and ACLSV was proved by ELISA and mechanical inoculations. ACLSV was detected on apricot, sweet cherry and peach but not on plum and sour cherry. The incidence of ACLSV infection in all species was 0.34%. PNRSV was detected on sweet cherry and peach but not on apricot, plum and sour cherry. The infection level of PNRSV was 0.27% on the tested stone fruits. Total infection ration of East Anatolia was determined as 0.82% induced by ACLSV and PNRSV. The sanitary status of stone fruits was satisfactory. Considering the total infection level of stone fruits tested, the East Anatolia was determined as the cleanest apricot culture area of the world.
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    Conference Object
    A New Problem of Apricot: White Fleck
    (int Soc Horticultural Science, 2006) Baloglu, S.; Yilmaz, M. A.; Sipahioglu, H. M.
    Apricot is one of the most cultivated crop of stone fruits in Turkey. Malatya is particularly known as the most important apricot producer province both at national and international level. Before drying the apricot, sulphur is applied to the harvested fresh fruits in order to achieve the best coloration and protection from post harvest diseases and pests. In the course of this survey, a new problem has been identified, responsible in some cases for a 30 % yield loss. Following the sulphur application, white, round areas, fibrous in structure and slightly swollen, with a diameter ranging from 0.5 to 5 mm were observed on dried apricots. These symptoms are not visible before sulphur application. A series of tests, such as soil and leaf analysis, biological indexing and ELISA test for virus already known and not vet referenced in this region, and insect feeding trials, especially with sap sucking insects, were conducted for the determination of the origin of the syndrome. At the end of the trials the causal agent was determined as a sap-sucking insect, Aphodiphus amygdali (family: Pentatomidae). Investigations are still in course for the determination of other possible species of the family that can be responsible for such injury and loss.