RESISTANCE MANAGEMENT GUIDELINES Senstar contains both Group 7C/pyriproxyfen and Group 23/spirotetramat insecticides. Any insect population may contain individuals naturally resistant to Senstar and other Group 7C or Group 23 or insecticides. Resistant individuals may dominate the insect population if these insecticides are used repeatedly in the same fields without following IPM guidelines including rotating other classes of chemistry. Appropriate resistance management strategies should be followed. To delay insecticide resistance, take the following steps: Rotate the use of Senstar and/or other Group 7C and Group 23 insecticides within a growing season with different groups of classes of chemistries to minimize the risk of onset of resistance. Use tank mixtures with insecticides from a different group that are equally effective on the target pest when such use is permitted. Do not rely on the same mixture repeatedly for the same pest population. Consider any known cross-resistance issue (for the targeted pests) between the individual components of the mixture. Adopt an IPM program for insecticide use that includes scouting, uses historical information related to pesticide use, crop rotation, record keeping, and which considers cultural, biological and other chemical control practices. Monitor after application for unexpected target pest survival. If the level of survival suggests the presence of resistance, consult with your local extension specialist or certified crop advisor. Contact your local extension specialist or certified crop advisors for any additional pesticide resistance management and/or IPM recommendations for the specific site and pest problems in your area. INTEGRATED PEST MANAGEMENT IPM is an approach that combines various tools and methods including chemical and biological products, natural pest enemies and cultural methods such as sanitation, crop rotation and resistant crop varieties to manage pests at an economically acceptable level. Senstar is highly suited for use in IPM programs because it shows high selectivity to harmful insect species with no hazardous effects on many beneficial insects. Insect predators or parasites which are unaffected by Senstar include: Orius sauteri (thrips predator), Anthocoris melanocerus (pear psylla predator), Aphytis holoxanthus (California red scale parasite), Encarsia pergandiella (whitefly parasite) and Chrysopa carnea (green lacewing, a general predator). In addition, Senstar has shown minimal impact to pollinators.
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