SYMPOSIA PAPER Published: 01 January 1993
STP25137S

A Simulation Model of the Dose Transfer of Foliar Applied Insecticides

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The inefficiency of pesticide application has become a serious economic and environmental problem. Improving application efficiency requires a better understanding of the application process. The transfer of dose from spray tank to pest target involves a large set of physical and biological factors. Investigating such a complex system experimentally is extremely laborious and costly. A model is described that allows investigation of the biological consequences of altering the application parameters for foliar applied insecticides (in this case, the bacterial insecticide Bacillus thuringiensis var. Kurstaki when used against the diamondback moth (Plutella xylostella L.) with cabbage as the substrate). Parameters input into the model include the frequency distribution of droplet size, spatial distribution of the deposit, the subsequent degradation of the deposit by environmental factors, and toxicological effects against the target pest. Possible applications of the model are discussed, as are some preliminary results.

Author Information

Taylor, RAJ
OSU/OARDC, Wooster, Ohio, USA
Chapple, AC
Laboratory for Pest Control Application Technology (LPCAT), OSU/OARDC, Wooster, Ohio, USA
Hall, FR
Laboratory for Pest Control Application Technology (LPCAT), OSU/OARDC, Wooster, Ohio, USA
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Details
Developed by Committee: E35
Pages: 242–255
DOI: 10.1520/STP25137S
ISBN-EB: 978-0-8031-5238-0
ISBN-13: 978-0-8031-1888-1