×

Warning

JUser: :_load: Unable to load user with ID: 4856

NECTAR SECRETION BY TORIA (BRASSICA CAMPESTRIS L. v. TORIA) AND FORAGING BEHAVIOUR OF THREE APIS SPECIES ON TORIA IN BANGLADESH

Written by
Journal of Apicultural Research Vol. 20 (1) pp.34-38
DOI           ___
Date March 1981
Article Title NECTAR SECRETION BY TORIA (BRASSICA CAMPESTRIS L. v. TORIA) AND FORAGING BEHAVIOUR OF THREE APIS SPECIES ON TORIA IN BANGLADESH
Author(s) DOROTHY C. MURRELL AND WILLIAM T. NASH
Abstract Nectar secretion by toria florets reached a peak at about 9 h and decreased thereafter. Anthesis also occurred in the early morning. Apis ftorea appeared on the crop later. and in smaller numbers, than A. cerana, and spent more time on one floret. Apis dorsata was intermediate in foraging speed. Most bees of all species collected both nectar and pollen, but pollen collection by A. cerana was observed only in the morning. The highest proportion of A. cerana foragers carrying pollen loads followed shortly after anthesis. Maximum numbers of foragers were observed at 10.30 h for A. cerana and at 12.30 h for A. florea.
Keywords

 

Full text
pdf
Free to Subscribers Download button     Buy Now Download Button