The Determination of Diseases and Pests Caused the Production Loss and Price Reduction in Wheat Production in Konya

The target of this study is the determination of diseases and pests, which cause the production loss and price reduction in wheat production, according to wheat types in Konya research area. Two different materials were used in the study. One was the data obtained from the survey conducted to wheat producers in Konya, and the other was Konya Commodity Exchange’s (KCE) registers on the diseases and pests, which cause price reduction in wheat purchase. According to analysis results of the data obtained from KCE, suni / bug damage was the dis-eases and pests factor affected the prices of wheat types harvested in 2010 at the most. Suni / bug damage was determined in 98,50% of 666 analyzed wheat sam-ples. The damage ratio of 61.26% of these samples was higher than the value used for price reduction in Turkish Grain Board (TGB) wheat purchase scale. Smut was only determined in one sample of this wheat type. According to the replies of surveyed wheat producers, the diseases caused production loss were rust, septoria leaf spot, crown and root rot, and the pest was suni and bug.