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The Disease Control Toolbox

Information to assist growers in selecting chemical controls and timings for tree fruit diseases.

Timing of a fungicide application in relation to disease development is important for achieving the best results.

Fungicides should be selected based on apple diseases to be controlled and product efficacy for each. Growers can prevent resistance to fungicides by alternating chemicals by FRAC code group.

Timing of a fungicide application in relation to disease development is important for achieving the best results.

Fungicides should be selected based on stone fruit diseases to be controlled and product efficacy for each. Growers can prevent resistance to fungicides by alternating chemicals by FRAC code group.

Resistance has sometimes resulted in pest-management-program failures. In many cases resistance is inevitable, and our main strategy is to manage pests and pesticide use to delay the onset of resistance as long as possible. Below are presented tactics to help delay resistance to fungicides.