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How to Manage Pests

Degree-days: Peach Twig Borer in Almonds

Use this program to run a model of peach twig borer in almonds, 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: almonds, apricots, nectarines, peaches, plums, or prunes
| Calculate any degree-days | Using this calculator | Reference degree-day tables | About degree-days |

Peach Twig Borer in Almonds

  • 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.
  • 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 peach twig borer, 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.
End date:
Text file (comma or tab delimited) format

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