Online Phenology Models and Degree-day Calculator
damageadult
early blight (A. solani) [potato tomato]
disease model of Gent Schwartz 03 MSU Potato Lab


Output from uspest.org/wea disease degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: early blight (A. solani) [potato tomato] Type: disease Model source/other links: Gent Schwartz 03 MSU Potato Lab Calculation method: Potato P-Days Lower threshold: 44.6 degrees Fahrenheit Upper threshold: 86 degrees Fahrenheit Directions for starting/BIOFIX: 1st crop emergence default May 1 Starting/BIOFIX date: 5 1 No ending date, set to: default date 12 31 Model validation status: newly added-undergoing evaluation Region of known use: for use in most US states ==============================EVENTS TABLE================================ 1. 300 PDs after 1st emerge: Early season varieties first treatment 2. 350 PDs after 1st emerge: Mid season varieties first treatment 3. 400 PDs after 1st emerge: Late season varieties first treatment ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip PDays CUMPD event -- --- ----- ----- ------ ---- ------- -------