March 1, 2022 Pear Psylla Phenology IPM Guide will help manage pear psylla using the new degree day model! As temperatures warm and the snow melts, it is time to think about pear psylla management. In warmer areas like Oregon and southern Washington, psylla are already back in the orchards and laying eggs. In central […]
February 10, 2022 Pear psylla phenology, pre‐bloom kaolin, and insect growth regulators, summer pruning, timing honeydew washes, summer covers, fall kaolin. A presentation by Louis Nottingham, WSU Entomology at North Central Washington Tree Fruit Days, January 20, 2022.
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 […]
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 […]
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 […]