Looking for information relevant to Ontario field vegetable crops? Here’s a list of resources for vegetable crop scouts.
- Stay current! ONvegetables.com offers timely information on crop production, pest identification, pest control, pest monitoring, weather, changes to pesticide registrations, meetings, conferences, new publications of interest to the vegetable industry, and more.
- Working with specialty crops? ONspecialtycrops keeps you up-to-date with the latest information for commercial specialty crop production in Ontario. Also visit Specialty Cropportunities, a resource designed to assist growers transitioning to production of new, specialty or non-traditional crops.
- Interactive, online training and information on pests and pest management in a number of vegetable and fruit crops.
OMAFRA Vegetable Production Publications
- Descriptions and ordering information for the OMAFRA field vegetable publications. Updates on recent pesticide registrations are in the 2016 Supplement (pdf). You can also download the full publication (pdf).
OMAFRA Vegetable Production Information
- The home page for Ontario field vegetable information — production and beyond — from OMAFRA.
- Stay up-to-date on where herbicide resistant weeds have been identified in Ontario with maps and a searchable Master table of all herbicide resistant weed species in Ontario by County and Herbicide Group.
Diagnostics
The Twenty Questions of Crop Diagnosis
- Diagnostics is one of the most interesting and challenging aspects of crop production. Use the list in this article to help narrow down on the causes of problem areas in a crop.
Pest Diagnostics – University of Guelph Laboratory Services
- Access guidelines on taking and handling samples, services, and more.
Diagnostic Tools and Tests for Vegetable Scouts (pdf)
- Bioassay technique for detecting herbicide carryover in the soil, testing EC of transplant plugs, soil pH quick test.
Evaluation of Easy-to-Use Pocket Diagnostics Test Kit for Confirming Plant Disease
- There are several test kits now on the market for quick identification and confirmation of certain pathogens. OMAFRA’s horticultural plant pathologist tested some them. Read about it here.
- OMAFRA Factsheet covering plant parasitic nematodes, taking and handling samples, thresholds for economic damage.
Counting nematodes? Proper sampling and handling is key!
- If you’ve ever sampled for nematodes in soil, you’ve read the guidelines for sampling and handling of samples. But what if things don’t go according to plan? Are the samples ruined? What can you get away with and what will result in completely inaccurate results? When you’ve gone to the trouble of sampling and are about to invest in paying a lab for nematode counts, this is something you need to know.
Soil and Nutrients
Soil Basics for Field Scouting
- Anne Verhallen’s tips on diagnosing problems originating in the soil, plus the diagnostic tools and where to get them.
OMAFRA Soil Testing Information
- OMAFRA Factsheet with guidelines on soil sampling and soil test interpretation.
Accredited Soil Testing Laboratories in Ontario
- A list of labs accredited to perform soil tests for pH, buffer pH, P, K, Mg, Mn, Zn and Nitrate-N on Ontario soils.
Laboratories for Leaf and Petiole Tissue Analysis in Ontario
- A list of labs that offer leaf and petiole tissue analysis for Ontario crops.
On-Farm Trials
- This web app will help you analyze data from strip trials to help you determine if you’re getting statistically significant differences. Did you tune out when I mentioned statistics? Tune back in! The app does the hard work for you and you will be more confident that your results are meaningful and not just another testimonial: “Your neighbour used this one weird trick and got the best yields he’s ever had!”
Tomato Resources
| Android | iPhone and iPad |
- “This apps offer high-quality, peer-reviewed images, diagnostic keys, tools, tips, and recommendations for the identification and management of various tomato diseases.”
- For iPhone and Android
Bacterial Diseases Of Tomato: Bacterial Spot, Bacterial Speck, Bacterial Canker
- OMAFRA Factsheet with information and photos on tomato bacterial disease.
Soil Sampling for Verticillium and Nematode Analysis (pdf)
- How to take soil samples for nematode and verticillium counts. And how to treat them right so the counts will be as accurate as possible.
- Using pheromone traps to monitor for variegated cutworm in tomato fields.
Herbicide Injury Symptoms in Tomatoes – PPI and PRE Herbicides
- A photo gallery with descriptions of herbicide injury in tomatoes (ppi and pre).
- A photo gallery with descriptions of herbicide injury in tomatoes (post).
- Dr. D. Robinson‘s (Ridgetown Campus – University of Guelph) presentation from IPM/Scout Training workshop
Related Posts
- Reference books for vegetable crop scouting
- Diagnostic apps and online field guides for crop scouts
- Technology for vegetable crop scouting
- Resources on weed management
- Resources on natural enemies and pollinators
- OMAFRA IPM/Scout Training Workshop Dates for 2017
Updated March 2017, March 2016, April 2015, March 2014, April 2013.