TY - JOUR AU - Hendricks, Lonnie C. TI - Almond growers reduce pesticide use in Merced County field trials JF - California Agriculture JO - Calif Agr Y1 - 1995/01/01 VL - 49 IS - 1 SP - 5 EP - 10 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://dx.doi.org/10.3733/ca.v049n01p5 L3 - 10.3733/ca.v049n01p5 AB - California almond growers commonly use organophosphate pesticides, which can be disruptive to biological control. Sprays during the spring and summer kill beneficial arthropods, including parasitic and predatory insects and spiders. In addition, pesticides have been detected by Cal EPA in winter fog and in runoff water flowing into the rivers of the San Joaquin Valley, which may lead to further restrictions in pesticide use. However, some almond growers are able to grow nuts with low insect damage without using toxic insecticide sprays. This article reports the results of a 6-year study, begun in 1988, of three almond orchards in Merced County to identify grower practices that permit reduced pesticide use.