Strawberry is the 5th most important agriculture commodity in California, contributing to 88% of the fresh strawberries produced in the U.S. (USDA-NASS, 2015). According to CDFA's Pesticide Use Report (2014), more than 200,000 pounds of chemical insecticide and miticide were used on strawberries in 2012. Arthropod pests such as lygus bug, western flower thrips, two-spotted spider mite, and the greenhouse whitefly are among the important targets that require a significant amount of pesticide applications. Non-chemical alternatives are generally perceived to be less effective, and some of them are limited to organic agriculture. However, developing an effective strategy to balance the use of chemical and non-chemical alternatives without compromising the efficacy is essential.
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