FIELD: apiculture. SUBSTANCE: method involves introducing hormonal preparation, such as ecdisteroid-ecdisteron, in the form of aqueous solution into grafting pan prior to bee grafting. Usage of ecdisteron allows bee larvae and, as a result, mass of nonprolific queens to be obtained in increased amounts even under extremely unfavorable weather conditions. EFFECT: increased efficiency in producing high-quality nonprolific queens and simplified method. 2 tbl, 3 ex
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Authors
Dates
1999-03-10—Published
1997-11-20—Filed