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Effects of medically important Ginkgo constituents on fruit infesting behavior in a major, cosmopolitan pest of apples.
MedLine Citation:
PMID:  21905729     Owner:  NLM     Status:  Publisher    
Codling moth, Cydia pomonella, (L.), is a cosmopolitan pest of apple, potentially causing damage to circa 80% of the fruit. Currently used methods of combating this insect are inadequate or harmful to environment. The use of plant-derived semiochemicals for manipulation with fruit-infesting behavior is one of new avenues for controlling this pest. Here, we explore the potential of Ginkgo biloba, and its synthetic metabolites for preventing apple feeding and infestation by neonate larvae of C. pomonella. Experiments with crude extracts indicated that deterrent constituents of Ginkgo are present among alkylphenols, terpene trilactones and flavonol glycosides. Further experiments with Ginkgo synthetic metabolites of medical importance: ginkgolic acids, kaempferol, quercetin, isorhamnetin, ginkgolides and bilobalide indicated that three out of these chemicals have feeding deterrent properties. Ginkgolic acid 15:0 prevented fruit infestation at concentrations as low as 1 mg/ml, bilobalide had deterrent effects at 0.1 mg/ml and higher concentrations and ginkgolide B at 10 mg/ml. On the other hand, kaempferol and quercetin promoted fruit infestation by codling moth neonates. Ginkgolic acids 13:0, 15:1 and 17:1, isorhamnetin, and ginkgolides A and C had no effects on fruit infestation related behavior. Our research is the first report showing that Ginkgo constituents influence fruit infestation behavior and have potential applications in fruit protection.
Maciej A Pszczolkowski; Kevin Durden; Samantha Sellars; Brian Cowell; John J Brown
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-9-12
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  -     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-9-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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