We have a Christmas tree farm and have been having problems with cold weather...
We have a Christmas tree farm and have been having problems with cold weather Mites. The damage never shows up until August. 1. when is the best time to spray? ( I have been told when the weather gets to 60 for 3 days ) 2. What should we spray with.(we have used horticultural oil with not much success. Thank you Scott Ever Green Acres
Warren County Ohio
Hi Scott, Ever Green Acres, you have posed a question that is definitely a commercial entomology question. You must contact a professional entomologist from OSU Extension. The person down in your area is Dr. Joe Boggs, Extension Entomologist, and he can be reached at 513-260-1474 or at email@example.com He can help you with your problem. Since this is a commercial enterprise, you need expert help so you don't ruin the crop of Christmas trees.
Give him a call. I'm sure he will call back if you have to leave a message. Don