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How to Manage Pests

Degree-days: Tomato Fruitworm

Use this program to run a model of tomato fruitworm, 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: tomatoes
| Calculate any degree-days | Reference degree-day tables | About degree-days |

Tomato Fruitworm

  • Lower/upper threshold: 55/92°F
  • Calculation/upper cutoff method: single sine/horizontal

Choose a crop before running this model
Crops associated with this model

Statewide IPM Program, Agriculture and Natural Resources, University of California
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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 our Home page, or in the U.S., contact your local Cooperative Extension office for assistance. web template revised: May 23, 2013 Contact webmaster.