Four oxalic acid (OA) administrations were compared under winter continental (Modena, Emilia-Romagna) and Mediterranean (Siena, Tuscany) conditions in Italy. Each of two apiaries of 50 broodless colonies were randomly split into 5 groups. Sucrose (S) was added to solutions intended for trickling and the Varrox device was used to sublimate OA within the hives. Groups A, B and C received respectively 4.2%OA/60%S, 3.2%OA/60%S and 4.4OA%/30%S solutions by trickling (5ml/comb) and group D was treated by sublimation (1,4g of OA). Group E was left untreated and served as a control. .
A comparison between different oxalic acid treatments in overwintering honeybee colonies affected by Varroa destructor Anderson & Trueman / A. NANETTI; A. MARTINI; M.P. TAMPIERI; A. BESANA; A. ROVIDA; A. RASCHI. - STAMPA. - 122:(2005), pp. 58-58. (Intervento presentato al convegno 39th Apimondia Apicultural Congress tenutosi a Dublin Ireland nel 21 -26 Agosto).
A comparison between different oxalic acid treatments in overwintering honeybee colonies affected by Varroa destructor Anderson & Trueman
MARTINI, ANDREA;A. ROVIDA;
2005
Abstract
Four oxalic acid (OA) administrations were compared under winter continental (Modena, Emilia-Romagna) and Mediterranean (Siena, Tuscany) conditions in Italy. Each of two apiaries of 50 broodless colonies were randomly split into 5 groups. Sucrose (S) was added to solutions intended for trickling and the Varrox device was used to sublimate OA within the hives. Groups A, B and C received respectively 4.2%OA/60%S, 3.2%OA/60%S and 4.4OA%/30%S solutions by trickling (5ml/comb) and group D was treated by sublimation (1,4g of OA). Group E was left untreated and served as a control. .
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