Ground vs Aerial Application of Fungicide in Chickpeas

This article was originally published in the Proceedings of the Soils and Crops Workshop, 2005. Authors Tom Wolf (AAFC), Brian Caldwell (AAFC), Cheryl Cho (CDC), Sabine Banniza (CDC), Yantai Gan (AAFC) Background: Fungicide application is an important disease management strategy for ascochyta blight (caused by Ascochyta rabiei) in chickpea due to the poor host resistance […]

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Don’t try this tempting shortcut

There’s a call that I’ve been getting for 20 years now. It came again this week. Someone has a twincap with two small air-induced tips, and they’re applying herbicides and fungicides with low water volumes, often 5 gpa, sometimes less. They call because they want to know how much wind they can spray in. Is […]

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What Nozzle is This? (Field Sprayers)

Us this handy visual guide to identify a mystery nozzle you may find on a field sprayer. We’ve included the most common low-drift nozzles found on North American, European, and Australian sprayers. The list does not contain any conventional flat fan nozzles. It’s in alphabetical order by manufacturer. First, a reminder of the ISO colour […]

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Categorizing air-assist sprayers by air-handling design

This article was co-developed with Mark Ledebuhr of Application Insight, LLC. Air handling systems Air handling systems can be specialists or generalists; some are designed to do one thing very well while others are more adaptable but not as precise. Fan type plays a big role in determining a sprayer’s abilities. Their native characteristics make […]

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