On a cold rainy day with apple scab threatening, wouldn’t it be nice to push a button labeled “Fungicide” and let the orchard spray itself? Spraying is one of those things all orchardists have to do. Whether conventional or organic, they spend a lot of time filling sprayers, mixing chemicals, and driving up and down fruit tree rows, blasting away. “Orchard spray technology has not kept up with the changes that have taken place in the horticultural side of tree fruit production,” says Dr. Matt Grieshop, a Michigan State University entomologist. There should be a better way. He and fellow […]