Spider mites continue to be a problem in soybeans . The threshold is 25 percent of the field infested. Remember the loan rate is the market, so if you can save at least 2 bushels, spraying with dimethoate can pay. Remember the USDA loan price is the floor for your wheat crop. Check out results of the MSU Wheat Variety Trials available at any county Extension office.
Varieties do vary in performance and disease resistance.
Starting with the best seed is a good step to profitable yields. In this area September 19-21 are the fly free dates, but most growers hold off until early October to plant. Virus transmitted by aphids can be a problem in wheat planted too early.