The brown marmorated stinkbug is a challenge to control for any fruit grower, and organic growers have the fewest strategies of all. That’s why Win Cowgill and colleagues at Rutgers Cooperative Extension in New Jersey decided to test the effects of the kaolin clay product Surround on the stinkbug. Surround is used against several pests, including pear psylla. The insects are repelled by the clay on the trees and deterred from laying eggs. Cowgill conducted the trial at a mature Suncrisp apple block at Rutgers in 2010 and 2011. Surround was applied three times in the early part of the […]