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Email: tgarner@pdsolutions.ca ☰

This presentation reviews the re-evaluation status of glyphosate in Canada as conducted by Health Canada through the Pest Management Regulatory Agency (PMRA). It also includes the following, designation, studies and lawsuits and the implications for applicators: - the World Health Organization - International Agency for Research on Cancer (IARC) assignment of a hazard classification for glyphosate as "Probably carcinogenic to humans" - several studies reporting the presence of glyphosate in cereal products and in breast milk -lawsuits involving glyphosate causing non-Hodgkin's lymphoma. Lastly, the presentation summarizes the PMRA (and U.S.A. Environmental Protection Agency) evaluations of the potential hazards of the use of glyphosate for the applicator, bystanders and the environment.

Some pesticides can last a long time in the environment. Join Tim as he defines and gives examples of half-life, bioaccumulation and biomagnification. As pesticide applicators we need to be aware of the properties of the pesticides we are using and know how they breakdown and move in the environment. If we know the environmental impact of certain pesticides, we then adjust our IPM programs accordingly.

It is important to understand the hazards associated with handling pesticides. Many things that are common sense to an experienced applicator are overlooked when training new applicators. This seminar will look at developing a hazard assessment and rating the risks associated with handling pesticides.

This topic integrates a number of important aspects of spraying at a range of travel speeds in the same field, including nozzle selection, effect of pressure on pattern uniformity and spray quality, and pesticide performance with various spray qualities. There will be some overlap with topic #1, but this talk emphasizes practical issues encountered with a modern high-clearance sprayer.

As more pressure is put on pesticide usage, applicators must look to an IPM program when dealing with unwanted vegetation. We may need to divide areas into different categories as far as what is acceptable and not acceptable. We need to be able to count or measure plant populations in order to decide the solution required. Monitoring of vegetation will be discussed. Thresholds will be defined and discussed. A look at various control measures will be examined included guidelines for selecting appropriate herbicides.

Definition of IPM and a discussion on the principles of IPM: Pest identification; Monitoring; Threshold levels; Control measures and Evaluation. An example will be used to illustrate the principles.

This webinar looks at the importance of accurate measurement. From calculating area size for the pesticide application to accurate measurement of tank sizes and pesticide rates. One of the reasons for pesticide resistance can be improper applying chemicals at reduced rates without even being aware you are doing so. Sprayer tanks and measuring equipment need to be checked and rechecked to ensure proper rates are being applied. On the other side overapplication is expensive and wasteful. Join Tim as he shows you the problem and ways to do accurate measurement.

Spray drift is an applicator's worst nightmare. It is a leading cause of complaints for sprayer applicators. In the last few years, nozzle manufactures have developed different types of nozzles to help reduce drift. This web cast seminar looks at different types of nozzles and how they work. Also examined are other ways to reduce drift besides nozzle selection.