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Öğe Alternative Chemicals to Control Oidium neolycopersici on Tomato(Int Soc Horticultural Science, 2009) Sin, B.; Onogur, E.; Saygili, H; Sahin, F; Aysan, YOidium neolycopersici, causal agent of powdery mildew on many crops is regarded as a significant problem for greenhouse tomato cultivation. The pathogen was recorded in Western Turkey in 2006. Aiming to find out alternative chemicals comparable with synthetic fungicides for especially organic production WP S, NaHCO3, K2SiO3, KH2PO4, H2O2, H2O2+ WP S and trifloxystrobin were tested against the pathogen in a growth chamber and in a greenhouse by using tomato cv. "SC-2121". WP S and K2SiO3 were found as the most effective chemicals in the growth chamber, whereas the combination H2O2+WP S and WP S gave the best results under the greenhouse conditions. It was detected that the synthetic fungicide trifloxystrobin was unable to control the disease satisfactorily.Öğe Biological Control of Chestnut Blight and Prospects for the Future: Turkey a Review(Int Soc Horticultural Science, 2009) Celiker, N. M.; Onogur, E.; Soylu, A; Mert, CChestnut blight, caused by Cryphonectria parasitica Murr. Barr is the most serious disease of Castanea sativa Mill. in Turkey on which several studies related with the biological control were conducted. The paper discusses and comments on the results of these investigations carried-out in Turkey since 1996, trying to formulate a better and more effective control of this destructive disease.Öğe First report of Oidium neolycopersici on tomatoes in Turkey(Blackwell Publishing, 2008) Yolageldi, L.; Sin, B.; Onogur, E.
