Photo of the week: nozzle type and dollar spot
September 14, 2013
When applying contact fungicides such as chlorothalonil for control of dollar spot, the type of nozzle used can make a very big difference in control. In this two year study, researchers showed that air induction and flat fan nozzles produced up to five times better disease control — probably as the result of better foliar coverage — than with other nozzles tested.…