How to Manage Pests

Degree-days: Codling Moth in Prunes

Use this program to run a model of codling moth 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.

Codling Moth in Prunes

Lower/upper threshold: 50/88°F
Calculation/upper cutoff method: single sine/horizontal
Biofix: The first biofix is the first date that moths are consistently found in traps and sunset temperatures have reached 62°F.
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 codling moth, 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 first biofix is the first date that moths are consistently found in traps and sunset temperatures have reached 62°F.
End date:

Text file (comma or tab delimited) format

Top of page

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. web template revised: November 24, 2009 Contact webmaster.