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IPM Message for Cranberry Growers: May 18, 2012

May 18, 2012

Insects are out there so you should be sweeping.  Reports are that folks are picking up a few of everything, but in most cases, numbers are not necessarily exceeding threshold.  Be sure to sweep your own bogs to make your decisions rather than relying on what other growers are reporting.  Insects are big enough to see at this point and if there are enough of them, you should consider treating ASAP.

Applications of QuinStar and Casoron have been going out for dodder control.  This is the window to apply, right now if you haven’t done so already.  Dodder is up, emerging, and attaching.  Growers have been putting out Callisto for general weed control. If you have been applying Callisto for the past years since it’s been registered and you don’t really need to, consider taking a year off from applying Callisto. This is to minimize your risk of weeds developing resistance to Callisto, which is a real concern for us.