Chemical control of winter wheat and its influence on yield and economic indexes in Podkarpacie

Abstract

The studies on the economic efficiency of fungicides and insecticides used in winter wheat crops were conducted in 2012-2014 in Boguchwała. An average per cent of leaf area infected by pathogens was 80.3% and the damage caused by pests was on average 14.5%. The effectiveness of applied pesticides ranged from 8.0 to 86.2% for fungicides and from 31.8 to 89.2% for insecticides. Surplus of the saved wheat production ranged from 6.5 to 1222 PLN/ha. The cost coverage index ranged from 0.01 to 7.4, whereas the treatment profitability index ranged from 1.0 to 19.4. The percentage cost index ranged from 1.2 to 54.0.