Armored scale insecticide resistance challenges San Joaquin Valley citrus growers

Organophosphate and carbamate insecticides have been used to treat citrus pest problems for more than 40 years. From 1990 to 1998, we documented California red scale and yellow scale resistance to these insecticides. Armored scale resistance is found on an estimated 40% of...

Full description

Bibliographic Details
Main Authors: Elizabeth Grafton-Cardwell, Yuling Ouyang, Rebecka Striggow, Stacy Vehrs
Format: Article
Language:English
Published: University of California Agriculture and Natural Resources 2001-09-01
Series:California Agriculture
Online Access:http://calag.ucanr.edu/archive/?article=ca.v055n05p20