Negative long-term effects on bee colonies treated with oxalic acid against Varroa jacobsoni Oud.

被引:77
作者
Higes, M
Meana, A
Suárez, M
Llorente, J
机构
[1] Univ Complutense Madrid, Fac Vet, Dpto Patol Anim Sanidad Anim 1, E-28040 Madrid, Spain
[2] Cent Apicola Reg, Serv Invest Agr Castilla La Mancha, Guadalajara, Spain
关键词
Apis mellifera; Varroa jacobsoni; oxalic acid; brood development;
D O I
10.1051/apido:19990404
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Two oxalic acid treatments were given to five colonies in autumn and five colonies in spring. In each treatment, colonies were treated every 7 days for 3 weeks with a 3 % sprayed oxalic acid. Another five colonies in each season served as controls and were sprayed only with water. Efficacy of oxalic acid in autumn was 94 % and in spring was 73 %. A long-term study of the colonies for 3-4 months after the last application of oxalic acid showed a statistically significant negative effect of the acid on brood development. In addition, three queens died in the treated colonies. (C) Inra/DIB/AGIB/Elsevier, Paris.
引用
收藏
页码:289 / 292
页数:4
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