1. Group codes are on all fungicide labels. Which of the below are true about fungicides with the same group code?
(select all that apply)

A. They have the same mode of action
B. Diseases resistant to a fungicide will generally be more or completely resistant to other fungicides in the group
C. They have a similar resistance risk level
SHOW ANSWER Answer: All of the above are true

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2. To maximize resistance management properties of a fungicide mixture you must consider:
(select all that apply)

A. If the fungicides have different modes of action (group codes)
B. Wind conditions on the date of spray
C. Whether the different modes of action are effective against the same disease
D. Individual resistance risk levels of the fungicides
SHOW ANSWER Answers A, C and D — should be considered when using fungicide mixtures.