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Titolo:
EFFECT OF GENOTYPE BUT NOT OF AGE OR CASTE ON OLFACTORY LEARNING-PERFORMANCE IN THE HONEY-BEE, APIS-MELLIFERA
Autore:
BHAGAVAN S; BENATAR S; COBEY S; SMITH BH;
Indirizzi:
OHIO STATE UNIV,DEPT ENTOMOL,1735 NEIL AVE COLUMBUS OH 43210 OHIO STATE UNIV,DEPT ENTOMOL COLUMBUS OH 43210
Titolo Testata:
Animal behaviour
fascicolo: 6, volume: 48, anno: 1994,
pagine: 1357 - 1369
SICI:
0003-3472(1994)48:6<1357:EOGBNO>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIVISION-OF-LABOR; PROBOSCIS-EXTENSION; DROSOPHILA-MELANOGASTER; CONDITIONED SUPPRESSION; SELECTION; CAPENSIS; PATTERN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
36
Recensione:
Indirizzi per estratti:
Citazione:
S. Bhagavan et al., "EFFECT OF GENOTYPE BUT NOT OF AGE OR CASTE ON OLFACTORY LEARNING-PERFORMANCE IN THE HONEY-BEE, APIS-MELLIFERA", Animal behaviour, 48(6), 1994, pp. 1357-1369

Abstract

The ability to change expression of a behaviour through experience with contingencies among important stimuli can enhance the survival and fitness of animals under certain ecological conditions. It would seem paradoxical if strong variability in learning performance persists even when those conditions are met. In the honey bee, learning about the relationship between floral odours and the rewards offered by flowers is important for colony survival. Yet several studies have identified a significant amount of inter-individual variability in olfactory learning performance among workers within colonies. This variability couldbe due to changes in learning performance due to age, to caste-specific alteration of motivational state, or to genotypic variability amongpaternal lines within colonies. Experiments reported herein were designed to establish the contribution of all three variables under controlled environmental conditions within which significant variability in a measure of learning performance exists. The results indicate that, at least under these conditions and when genotype is not manipulated, neither age nor caste had an effect on motivational state or learning performance. Genotype was the only variable that could account for a substantial portion of the variability within colonies of honey bees. Therefore, manipulation of genotype will be necessary in future studies designed to establish the reasons underlying variability in learning performance in natural populations.

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Documento generato il 27/05/20 alle ore 15:40:08