Improved weather models for turf pest management decision making

Summary: Turf growth models were used to review weather-related trends over the past five years. For cool season turf, we noted that poor performance was usually related to high temperatures (>68F average) during the fall; the fall of 2003 was particularly difficult due to extremely high October and November air temperatures. In Northern California, poor cool season turf performance during fall and winter is usually related to low temperatures (

<68F average). For warm season turf, poor growth during spring/summer…