• Agrow
  Provider of news, analysis and data to the global crop protection industry
• AIS Agricultural Information Services
  - The Crop Protection Directory
  - Agricultural Crop Pesticide Use - Studies & Reports
• The GreeenBook Group
  Chemical Database Solution
• International Association for the Plant Protection Sciences (IAPPS)
• CAB International
  • Crop protection compendium
  • The Plant Protection Database
• CropLife International
  • CropLife Foundation
    • Crop Protection Research Institute (CPRI)
  • Database of the benefits of pesticides
    Database of published papers and reviews demonstrating the benefits of pesticides
  • Agrochemical Industry R&D Expenditure report (2005)
    Produced by Phillips McDougall for CropLife International
  • Biodiversity and Pesticides (Fact sheet)
  • Risks of counterfeit crop protection products (Fact sheet)
  • Consequences of counterfeit crop protection products (Fact sheet)
  • Precautionary Approach in crop protection (Fact sheet)
• Crop Protection Monthly
  An independent business newsletter published by Market Scope Europe Ltd.
  International news, comment, features and conference reports from a European perspective 
  • Archive 1997 - present
• Insecticide Resistance Action Committee (IRAC)
  • Crop protection
• International Biocontrol Manufacturers Association (IBMA)
  • Position papers
• International Organisation for Biological and Integrated Control of Noxious Animals and Plants (IOBC)
• Research Information Ltd.
  • International Pest Control
  • Outlooks on Pest Management
• Research & Markets
  - Global Crop Protection Market: Opportunities and Challenges (Jan 2009)
• Agranova
  • Executive Review
  • Crop Protection Actives
  • The Ag Chem New Compound Review
  • Global herbicide directory index
  • Herbicide synopsis
  • Global insecticides directory index
  • Global fungicides directory index
  • Ag chem base index on-line 
• AgreWorld
• AgroPages.com

• China Crop Protection Industry Association (CCPIA)
• China Chemical Market
• China Society of Crop Protection

India

• National Centre for Integrated Pest Management

• Description of plant viruses
  Information about viruses, viroids and satellites of plants, fungi and protozoa.
• European Crop Protection Association (ECPA)
• EPPO - European and Mediterranean Plant Protection Organization
• EWRS - European Weed Research Society
• European Network for the Durable Exploitation of Crop Protection Strategies (ENDURE)
  - ENDURE News - Diversifying Crop Protection
  - Proceeding of ENDURE’s first International Conference, Diversifying Crop Protection (May 09)
  - PhD Summer School programme now online (May 09)
• AFPP - Association Française de Protection des Plantes (France)
• BCPC - British Crop Protection Council (United Kingdom)
• CPA - Crop Protection Association (United Kingdom)
• NEFYTO - Dutch Crop Protection Association (The Netherlands)
• BASF´s crop protection pipeline in good shape (March 2009)
  BASF mit Crop-Protection-Pipeline gut aufgestellt 
• University of Bonn, Germany
  - Institute of Plant Diseases
  - Plant Pathology Internet Guidebook

• USDA Animal and Plant Health Inspection Service (APHIS)
  - Plant Protection and Quarantine (PPQ)
• USDA National Programs
  - Crop protection and management research unit
  - Crop protection & quarantine
  - Pesticide data program
  - Crop Profiles and Timelines (searchable synopses of crop production practices for numerous commodities and states, and regions)
• USDA Soybean Rust Information Site
   
• Purdue University
  - Plant quarantine information and phytosanitation permits for all countries
  - NewCROP® - the New Crop Resource Online Program
• University of California, Davis
  - IPM Online
• University of Idaho
  - Plant disease reporter
  - Plant viruses online
• University of Washington Extension
  - Integrated Pest Management
• University of Wisconsin
  - Insect Diagnostic Lab
  - Integrated Pest and Crop Management web portal
  - Vegetable pathology
   
• CDMS - Agro-chemical database service
• FarmAssist (Syngenta)
  - Crop Protection Product Calculator
   
• American Chemistry Council
• Entomological Society of America (ESA)
  - Publications
• Plant Management Network
   
• Arizona Crop Protection Association (ACPA)
• Crop Protection Association of North Carolina, Inc.
  - Fact sheets
• Mid America Crop Protection Association
• Southern Crop Protection Association (SCPA)
• Universal Crop Protection Alliance (UCPA)
• Integrated Plant Protection Center (Oregon State University)