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How to Manage Pests

Degree-days: Obliquebanded Leafroller in Prunes

Use this program to run a model of obliquebanded leafroller in prunes, recommended by UC Cooperative Extension. In calculating degree-days, the program uses temperatures from the UC IPM weather database, a file you supply, or data you enter online.

How to use this model in: prunes, almonds, or apricots
| Calculate any degree-days | Using this calculator | Reference degree-day tables | About degree-days |

Obliquebanded Leafroller in Prunes

  • Lower/upper threshold: 43/85°F
  • Calculation/upper cutoff method: single sine/vertical
  • Biofix: The biofix is the first date that moths are caught consistently in pheromone traps.
  • Additional information on using this model: Pest Management Guideline

Specify source of temperature data

Select the source of temperatures to be used to calculate degree-days. You may also use your own maximum and minimum temperatures and look up approximate daily degree-day values in a reference degree-day table for obliquebanded leafroller, then total them yourself.

Select from stations in which California county?
Include active stations only
Set time period for running model
Biofix (start date):   Biofix (start date): The biofix is the first date that moths are caught consistently in pheromone traps.
End date:
Text file (comma or tab delimited) format

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