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Knowledge Repositories

Below, we list some of the better known (and validated) diagnostic tools and Extension knowledge repositories.

(Let us know of there are ones we have missed.)

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On-line tools for field diagnostics 

Tools to help you identify your field problems:

Cereals

• Maize Doctor CIMMYT
• Rice Doctor IRRI
• Wheat Doctor CIMMYT

Fruit

• What's wrong with my plant University of Minnesota
• Citrus Texas A&M
• Plant Diagnostic key University of Arizona

​Soil

• Soil Doctor UC Davis

Vegetables

• What's wrong with my plant University of Minnesota  
• Plant Diagnostic key University of Arizona  

• Vegetable Doctor UC Davis 

What Weed is that?

• Tools UC Davis

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On-line Knowledge Banks 

Apples in China

• e-China Apple (UC Davis and Cornell)

For Africa

• Infonet Biovision 

For Afghanistan

• e-Afghan Ag (UC Davis)

For India

• TNAU Agritech portal 

For Pakistan

• e-Pak Ag (UC Davis)

Global 

• Horticulture e-Horticulture (UC Davis)
• IPM Integrated Pest Management (IPM) (University of California)
• Rice Rice Knowledge Bank (IRRI)
• Postharvest Technology (UC Postharvest RIC)
• Vegetables World Vegetable Center AVRDC | Vegetable RIC UC Davis
• Video Access Agriculture