Mode of Action and Spray Quality

The decision on application method for herbicides boils down to two main factors: (a) target type and (b) mode of action. In general, It’s easier for sprays to stick to broadleaf plants on account of their comparatively larger leaf size and better wettability compared to grassy plants. There are exceptions, of course – at the […]

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Loading a Sprayer? Add Time and Patience!

What’s the most underused active ingredient when creating a proper tank mixture in a sprayer? Patience. Spray season is never long enough. The days which are most conducive to spraying are hard to come by. Therefore, the ingredient we need the most when spraying as well as tankmixing is patience. Without it, we are setting ourselves up […]

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Sprayer loading and the jar test

Adding pouches to the basket. Photo Credit – M. Lanthier, British Columbia.

This article was co-written with Mike Cowbrough, OMAFRA Weed Management Specialist – Field Crops The time and attention spent during sprayer loading is a worthy investment. It ensures that the products in the tank perform as intended and reduces the chance of physical incompatibilities. The label Pesticide labels are always the first point of reference. […]

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The Real Story Behind pH and Spray Water Hardness

The quality of water being used in the spray tank to act as the carrier for your pesticides can have significant effects on how well those pesticides will work. It is surprising however to find that very few growers have had water quality tested. Obviously, water that is free of suspended materials such as clay, […]

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Do Labels Help us Apply Pesticides Properly?

It happened three times this spring.  As is often the case, I was contacted by growers who wanted help with herbicide application.  In most of these calls, the discussion revolves around the proper choice of nozzles for a specific task, perhaps some questions on spray pressure, water volume and travel speed. But these three were […]

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