Spray Basics Articles

This article was co-authored by Kristy Grigg-McGuffin, OMAFRA Horticulture IPM Specialist In view of the frequent heavy rains in many regions this season, understanding rainfastness, or the ability of a pesticide to withstand rainfall, is important to ensure proper efficacy. All pesticides require a ...Read More

For many airblast operators, the spring of 2019 has been very difficult. The frequency and duration of rain events has left limited opportunity for orchard sprays. Even then, the periods between rains are transitions between warm and moist conditions and cold fronts, which makes ...Read More

This article is based on a presentation by Dr. Melanie Filotas, who delivered it as part of the 2019 agriculture summer student orientation day. Most crops are sprayed with organic or synthetic pesticides at some point during the growing season. Use caution before entering any ...Read More

It’s the rite of passage of many agricultural summer students across the world: applying experimental treatments to field plots using a research sprayer. (Mine happened in 1984 with the expert instruction of Alvin Iverson at the University of Manitoba.) The results of these experiments ...Read More