Coverage 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

When warm air is cooled, it loses some of its moisture-holding capabilities. This change often occurs at night, when plants (and other objects) cool. Once the temperature of the surface of the leaves, for example, drops below the dewpoint, it causes water to condense, ...Read More

Assuming there are no mechanical or maintenance problems, water-sensitive paper can be used to diagnose sprayer performance. Go here to read more about water-sensitive paper. Interpreting the results and knowing what changes to make is the critical part of the process. Observing no coverage, or a sodden paper, ...Read More

This article was written with information from George Hamilton, Field Extension Specialist with New Hampshire Cooperative Extension, and from Dr. Ben Werling, West Michigan Vegetable Educator with Michigan State University Extension. Commercial sweet corn growers must use spray application equipment capable of depositing spray ...Read More