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Suppression of pear psylla using elicitors of host-defenses

Author: W. Rodney Cooper

Published: 2013

Summary: The objectives of this project were: 1: Evaluate the effects of foliar applications of three commercial defense elicitors, Actigard, Employ, and ODC, on survival and development rates of pear psylla nymphs on two pear cultivars, Bartlett and D’Anjou. 2: Evaluate the effects of defense elicitors on oviposition by pear psylla adults using choice and no-choice assays. 3: Determine whether observed effects of defense elicitors on pear psylla performance are caused by systemic induced defenses in pear or by direct contact with chemical elicitors. 4: Evaluate the effects of defense elicitors on nymph feeding behavior and honeydew production.

Keywords:

  • Crop Protection
  • Pear Psylla
  • Defense elicitors
  • Foliar applications
  • Pear
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