Output from uspest.org/wea weed degree-day/phenology model program:
Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================
Model species/general links: small broomrape (red clover)
Type: weed
Model source/other links: Eizenberg et al 2005, PNW Weed HB
Calculation method: simp avg/grow
Lower threshold: 32 degrees Fahrenheit
Setting upper threshold to: 130 F (default)
Directions for starting/BIOFIX: calendar date
Starting/BIOFIX date: 1 1
No ending date, set to: default date 12 31
Model validation status: validated
Region of known use: Western Oregon
==============================EVENTS TABLE================================
1. 720 cumulative GDD after Jan 1 Initial attachment to red clover
2. 1340 cumulative GDD after Jan 1 *NOTE:check herbicide pregrazing and preharvest intervals prior to any application
3. 1440 cumulative GDD after Jan 1 Begin herbicide applic. window *
4. 1800 cumulative GDD after Jan 1 Approx. end of herbicide applic. window *
5. 1980 cumulative GDD after Jan 1 Small broomrape flower stalk emergence
6. 2160 cumulative GDD after Jan 1 Beginning of red clover growth reduction because of parasitism
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD32 CUMDD32 event
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