Reaction of Some Popular Hybrid Tomato Cultivars Grown in Aegean Region to Bacterial Speck Disease and Determination of Disease Incidence in Şahnalı, Aydın

Yıl 2012, Cilt: 41 Sayı: 1-2-3, 37 - 42, 12.05.2014

Volkan Bakır Zahide Özdemir Hülya Yardım

Öz

In
this study, reaction of some popular hybrid tomato cultivars grown in Aegean
region was tested to bacterial speck disease of tomato and disease incidence
was determined in Şahnalı village in Aydın. A virulent isolate of Pseudomonas syringae pv. tomato B07-1 was spray inoculated to 6-8
leaves-old seedlings of cultivars of Beril, Dorit, 5656, Marmara, Newton, Selin, 144, in growth chamber
conditions. Reaction of cultivars was evaluated with a disease severity ranking
scale from zero to four. Cultivar 144, showed the most resistant reaction and
ranked 1.13 for the disease severity while cultivar Newton, ranked 2.92 showing
the most susceptible reaction to the disease, in the first experiment. In the
second experiment, similar results were obtained for 144 (1.39) and Newton (2.42). In this
study, cultivars 144 and Marmara showed highly resistant, Beril and Selin
moderately resistant, Dorit and 5656 susceptible and Newton highly susceptible reaction to
bacterial speck disease. A disease survey was conducted in 2011 and 2013 in Şahnalı village
located nearby to main tomato production areas in Aydın and field- tomato
cultivation is commonly practiced. When the disease occurred in the surveyed
areas, incidence was 100 % in 2011 and 7 % in 2013. 

Anahtar Kelimeler

Bacterial speck disease, hybrid tomato cultivars, cultivar reaction, Pseudomonas syringae pv. tomato

Kaynakça

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