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Combined heat and controlled atmosphere quarantine treatments for control of codling moth in sweet cherries
Nonchemical quarantine treatments, using a combination of short-duration high temperatures under low oxygen, elevated carbon dioxide atmospheric environment were developed to control codling moth in sweet cherries, Prunus avium (L.). The two treatments developed are a chamber temperature of 45 degrees C for 45 min and a chamber temperature of 47 degrees C for 25 min under a 1% oxygen, 15% carbon dioxide, -2 degrees C dew point environment. Both these treatments have been shown to provide control of all life stages of codling moth while preserving commodity market quality. The third and fourth instars of codling moth are equally tolerant to CATTS treatments and are the most tolerant immature stages to these treatments. We determined that low levels of oxygen are more important than elevated carbon dioxide in achieving high levels of insect mortality. Efficacy tests of both treatments resulted in 100% mortality of 5,000 third instars of codling moth in each treatment. These treatments may be used to provide quarantine security in exported sweet cherries where codling moth is a quarantine concern and fumigation with methyl bromide is not desired.
controlled atmosphere storage
Journal of economic entomology 2005 June, v. 98, no. 3
Journal Articles, USDA Authors, Peer-Reviewed
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