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Pheromone Delivery System: Western Corn Rootworm (Coleoptera: Chrysomelidae) Pheromone Encapsulation In A Starch Borate Matrix, Lance J. Meinke, Z. B. Mayo, Thomas J. Weissling
Pheromone Delivery System: Western Corn Rootworm (Coleoptera: Chrysomelidae) Pheromone Encapsulation In A Starch Borate Matrix, Lance J. Meinke, Z. B. Mayo, Thomas J. Weissling
Department of Entomology: Faculty Publications
Western corn rootworm, Diabrotica virgifera virgifera LeConte, sex pheromone, racemic 8-methyl-2-decyl-propanoate (MDP) was successfully encapsulated in a starch borate (5B) matrix creating a controlled release granular formulation. The release rate of MDP from starch borate granules was attractive to male D. virgifera at high and low D. virgifera population levels in field corn. Male D. virgifera were attracted to the 5B-MDP granules throughout the growing season, but efficacy declined during the period of peak female D. virgifera emergence and corn pollination. The 5B-MDP delivery system was as effective as a septa-MDP delivery system, and 5B-MDP formulations had a shelf life …