Category Archives: Diagnostics

Herbicide injury symptoms in tomatoes

Darren Robinson, University of Guelph, Ridgetown Campus; Janice LeBoeuf, OMAFRA, Ridgetown

Introduction

Herbicides are useful tools for the management of weeds.  The herbicides registered for use in tomatoes are selective in their activity, injuring or killing weeds while being safe to use on the crop. Crop injury may occur, generally when a crop is stressed beyond its ability to adequately deal with a herbicide application.  Injury due to herbicides can arise as a result of several factors, including weather-related stress, soil factors such as light soil texture and low soil organic matter, shallow planting and sensitive crop varieties.  The pages in this section contain information on herbicide injury for several products registered on tomatoes in Canada. Continue reading Herbicide injury symptoms in tomatoes

IPM Scout Training Workshops Begin This Week

ONfruit

The free OMAFRA IPM scout training workshops are available for those who will be scouting horticultural crops this year. Be sure to register if you or your scout are planning to attend!

To register, please contact OMAFRA’s Agricultural Information Contact Centre at 1-877-424-1300 or ag.info.omafra@ontario.ca.

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Resources on weed management

Kristen Obeid, OMAFRA Weed Specialist – Horticulture

Internet

weedinfo.caWeedinfo.ca: If you are trying to identify a weed, find the newest information on herbicide resistance and other emerging issues in weed management you need to visit weedinfo.ca.

Provincial Weed Page: http://www.omafra.gov.on.ca/english/crops/insects/weeds.html

Ontario Crop IPM: Know how and why it is important to scout and identify weeds, as well as diagnose herbicide injury. Continue reading Resources on weed management

Great new resource for this field season: Weed ID Guide for Ontario Crops

Kristen Obeid, Weed Management Specialist – Horticulture, OMAFRA

Published by the Grain Farmers of Ontario, the resource features over 120 species commonly found in and around agricultural fields. The Weed ID Guide for Ontario Crops is now available in the following formats:

These can be downloaded from the following website: http://fieldcropnews.com/2016/09/weed-id-guide-for-ontario-crops/

The publication was funded through Growing Forward 2, a federal-provincial-territorial initiative.

OMAFRA IPM Scout Training Workshops for 2017

These workshops are available for those who will be scouting horticultural crops this year.

To register, please contact OMAFRA’s Agricultural Information Contact Centre at 1-877-424-1300.

Planning is underway for the scout training workshop for hops. Details will be provided soon.           

GENERAL

Introduction to IPM

  • May 2, 8:30 a.m. – 3:30 p.m.
  • Conference Rm 1, 2 and 3, 1st Floor,1 Stone Rd. West, Guelph
  • Workshop Leader: Denise Beaton
  • Notes: Lunch on your own. Handouts provided. Pay parking ($12/day).

VEGETABLE CROPS Continue reading OMAFRA IPM Scout Training Workshops for 2017