| 摘要 |
<p>The acaricidal means is used for varroathosis and braulosis on bees, in particular it is effective for the protection of the species of Apis Millifera (the honey bee) from Varroa jacobsoni - ectoparasitic acar, specific for the Apis species. The preparation is a mixture of aqueous extract of leaves of common balm leaves (Melissae Folium), containing from 0.1 to 0.5% wt.% of dried drug, and a solution of oxalic acid, containing from 1.5 to 4.5 wt.% of it, in ratio from 1:2 to 5:1, preferably 1:1. A model prescription for 10 l operating solution includes the following content of active ingredients, in g: 50 dried drug of common balm leaves, 300 oxalic acid, the remainder up to 10 l being water. 2 claims</p> |
