EFFICIENCY OF SOME BOTANICAL PRODUCTS IN CONTROLLING Varroa MITE INFESTING HONEYBEE COLONIES

TL;DRAbstract

The present investigation was carried out in the apiary of Beekeeping Research Department, Plant Protection Research Institute at Zagazig, Sharkia Governorate during 2007 season, to evaluate the efficiency of camphor salt, peppermint extract, thymol and formic acid (60 %) as control agents against Varroa mite infesting honeybee colonies. Data obtained could be summarized as follows: 1-Mite infestation was reduced by 69.01, 48.92, 75.95 and 90.12 % when the colonies were treated with camphor salt, peppermint extract, thymol crystals and formic acid, respectively. 2-The infested workers suffered 21.87 % reduction in body weight while treating infested colonies with camphor salt, peppermint extract, thymol crystals and formic acid decreased the reduction in body weight to 11.84, 13.87, 5.91 and 2.63 %, respectively. 3-Varroa infested colonies showed severe reduction (47.96 %) in the sealed brood area reared as compared to that of healthy ones. Treating infested colonies with the test cont

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