Brown-bagging Granny Smith apples on trees stops codling moth damage
AuthorsWalter J. Bentley
Authors AffiliationsW. J. Bentley is Extension Entomologist UC Cooperative Extension, Kern County; Mario Viveros is Extension Pomologist UC Cooperative Extension, Kern County.
Hilgardia 46(4):30-32. DOI:10.3733/ca.v046n04p30. July 1992.
In a 2-year study, thinning Granny Smith apples to one per cluster and covering them with brown paper bags when they were the size of a golf-ball resulted in significantly fewer fruits damaged by codling moth compared with fruits hand-thinned and left untreated. Sunburned fruit were also reduced both years by bagging, and fruit firmness and sweetness were improved in 1 of the 2 years. A similar experiment is now underway with Fuji apples.
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