kaolin

Leafhopper Deterrence Linked to X Disease Management

March 10, 2021 Leafhopper Deterrence Linked to X Disease Management WSU entomologists and industry partners learn about X disease vectors to help the cherry industry optimize management. Work by the Nottingham lab on insecticide efficacy (“catching lots of wild leafhoppers and trying to keep them alive long enough to kill them”) and systemic insecticides applied […]

two people walk between rows of cherry trees on white reflective fabric covering the orchard floor

Prebloom Management of Pear Psylla with Particle Film

February 8, 2021 Psylla will soon be on the move! Louis Nottingham and Robert Orpet wrote an article in the February 2021 edition of ‘Tree Fruit News’ reminding growers to start preparing dormant sprays of kaolin clay (Surround) to deter pear psylla colonization in the orchard. A dormant Surround spray will provide the first line […]

Surround applied in the fall for pear psylla management

November 19, 2020 Orpet and Nottingham article in ‘Fruit Matter’s Newsletter’ about potential for Surround applied in the fall for pear psylla management. Kaolin clay (Surround WP) is a white sprayable powder that discourages pear psylla from laying eggs on pear trees by creating a physical barrier over the tree’s surface. If sprayed early in […]