How to Manage Pests

Interactive Tools and Models

• Run models and calculate degree-days using recommended models or your own thresholds
• Fire blight risk assessments for apple and pear
• Grape powdery mildew risk assessment index—determine disease pressure and the need for spraying vines

• Tomato powdery mildew spray forecast—determine risk of disease and the need for fungicide sprays

• California sunset temperatures
• Cotton resources—crop management tools
• NEMABASE—plant-parasitic nematode database developed by UC Davis Department of Nematology
• UC Guide to Healthy Lawns—the information homeowners and others need to plant and maintain healthy lawns in California
• Keys to identifying | ants | weeds in turf | turfgrass species | aphids of cotton/alfalfa | aphids of small grains/corn |

VOC emissions

• Calculate emissions from fumigants
• Calculate emissions from non-fumigants
• Reduce VOC emissions guide (400 KB, PDF)

• Testing ground—run models that are still under review and testing
  • Citrus thrips damage estimator
• Descriptions of models—insects, diseases, weeds, beneficials, and crop plants
• Models for research
  • ALFALFA 1.4—PC program authored by R. Loomis and R. F. Denison, UC Davis

PDF: To display a PDF document, you may need to use a PDF reader.