Maximum Yield USA 2016 June | Page 88

PMowildderyew Think small to eliminate By Peter Yeager 86 Maximum Yield USA  | June 2016 Your room temperature is perfect, humidity is right and air circulation is flowing well, so why is there a buildup of powdery mildew on your plants? Peter Yeager explains that growers must think about the environment immediately around the leaf to understand the solution.