Dr. Duane Greene of the University of Massachusetts provided a brief overview of postbloom thinners and their benefits during tree fruit talks in Grand Rapids, Michigan: Sevin (carbaryl)—One of the most versatile and safe postbloom thinners. Can be applied almost anytime when the tree is susceptible to thinners, and is the only thinner that is not rate sensitive. Hard to overapply, which is why it is considered “safe”. There is concern of the impact of Sevin on mite predators, though some believe predators have built up resistance to carbaryl due to its widespread use. Carbaryl comes in different formulations, but […]