Fungal Diseases of Cruciferous Crops - OMAFRA
- Details on brassica diseases from the Ontario Ministry of Agriculture.
- http://www.omafra.gov.on.ca/english/crops/facts/85-043.htm

Diseases - Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA)
- Fact Sheets on a variety of crop diseases including vegetables.
- http://www.omafra.gov.on.ca/english/crops/insects/diseases.html

PNW Insect Management Handbook
- Detailed information on a wide range of vegetable pests revelant to the Pacific North West.
- http://pnwpest.org/pnw/insects

Plant Disease Control - Oregon State University
- Plant disease database of over 1,200 plant diseases, with illustrations and control recommendations. Covers a wide variety of plants including vegetables.
- http://plant-disease.ippc.orst.edu/index.cfm

Vegetable Insects - University of Kentucky
- Information on a range of insect pests including beneficial insects.
- http://www.uky.edu/Agriculture/Entomology/entfacts/efveg.htm

UC IPM Online - University of California
- Wide ranging approach on all aspects of integrated pest management (IPM) principles including degree-days, weather data, pesticide labels and a weed photo gallery. Includes advice on pest monitoring techniques, chemical control measures, as well as non-p
- http://www.ipm.ucdavis.edu/PMG/crops-agriculture.html

Plant Disease Management Guide - University of Florida
- Guides on controlling diseases in vegetables listed by crop. How to control soilborne diseases of vegetable transplants is also covered.
- http://edis.ifas.ufl.edu/TOPIC_BOOK_Plant_Disease_Management_Guide

Insects: Vegetables - Mississippi State University
- Some recommendations for insect control for commercial vegetables in Mississippi plus photos.
- http://msucares.com/insects/vegetable/index.html

Weed Science and Soil Fumigant Program - University of Florida
- Research on methyl bromide alternatives, herbicide technology and weed ecology in West Central Florida, developed by Drs. James P. Gilreath and Bielinski M. Santos from the Gulf Coast Research and Education Center.
- http://gcrec.ifas.ufl.edu/Weed%20Science/Web%20Page/Weed%20Science.htm

Fungal Library - University of Georgia
- Brief biological details including spore forms of a number of important vegetable plant pathogens.
- http://www.plant.uga.edu/Extension/fungilib.htm

The Cabbage Root Maggot
- Information on the lifecycle of cabbage root fly from the Atlantic Cool Climate Crop Research Centre. Control measures that feature Integrated Pest Management techniques are highlighted as well as chemical controls.
- http://res2.agr.ca/stjohns/mandate/cabbagemaggot-moucheduchou_e.htm

Department of Plant Pathology - Kansas State University
- Fact Sheets on diseases of cucurbits, potatoes, sweet potatoes and tomatoes.
- http://www.oznet.ksu.edu/path-ext/factSheets/Vegetable%20Factsheets.asp

Integrated Pest Management - University of Connecticut
- A wide range of articles covering pests, diseases and weeds in vegetable crops.
- http://www.hort.uconn.edu/ipm/ipmveg.htm

Vegetable Diseases - University of California
- Notes on a number of vegetable diseases.
- http://vric.ucdavis.edu/selectnewtopic.disease.htm

VegEdge - University of Minnesota
- Provides advice on all aspects of vegetable crop integrated pest management (IPM). Also contains links to other related areas of interest.
- http://www.vegedge.umn.edu/

Plant Diseases - Virginia Cooperative Extension
- Descriptions of diseases that attack tomatoes, cucurbits, peppers and brassicas.
- http://www.ext.vt.edu/cgi-bin/WebObjects/Docs.woa/wa/getcat?cat=ir-fv-pd

Vegetable and Herbs Disease Information Notes - North Carolina State University
- Details on a range of diseases on a variety of herbs and vegetables including cucurbits, tomatoes and potatoes.
- http://www.ces.ncsu.edu/depts/pp/notes/Vegetable/vegetable_contents.html

Parasitic Diseases of Tomato - University of Minnesota
- Describes plant symptoms and the life cycles of common diseases of tomato. Suggests spray programme for disease control.
- http://www.extension.umn.edu/distribution/horticulture/DG1155.html

Vegetable MD Online - Cornell University
- The Plant Pathology Department provides advice on vegetable diseases. Contains Vegetable Disease Fact Sheets and photographs.
- http://vegetablemdonline.ppath.cornell.edu/Home.htm

Crop Knowledge Master - Vegetables
- Information on the biology and control of pests and diseases of vegetables plus other crops from the University of Hawaii.
- http://www.extento.hawaii.edu/kbase/crop/crops/vegetabl.htm