Good Spray Day or Bad Spray Day: Part 2

Thursday afternoon was pretty breezy, so I pulled out the wind meter to get an idea for exactly what the wind speed was.  The average as shown below was about 9.4 mph.

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At times the wind was gusting up to 13-14 mph.

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According to the new auxin herbicides we will have this season, was this a good day or a bad day to spray?

Enlist Duo:  0-15 mph

XtendiMax:  3-10 mph

Engenia:  0-15 mph, if spraying in less than 3 mph, steps need to be taken to make sure there is no inversion.

The Xtendimax label says 3-10 mph, so with the wind gusting up to 14 mph, spraying would be off label.  Enlist Duo and Engenia both allow spraying in wind speeds up to 15 mph, so spraying with a 9 mph wind with 14 mph gusts is allowed.  Even though spraying in this wind is allowed, it probably wouldn’t be the wisest decision. 14 mph is a pretty stout wind.  While you’re making the decision whether or not to spray, just keep in mind these labels clearly state the applicator is solely responsible for controlling drift.

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