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Boletín de la Sociedad Argentina de Botánica
On-line version ISSN 1851-2372
Abstract
SALGADO, Cristina R; PIESZKO, Gelina and TELLERIA, María C. Aporte de la Melisopalinología al conocimiento de la floramelífera de un sector de la Provincia Fitogeográfica Chaqueña, Argentina. Bol. Soc. Argent. Bot. [online]. 2014, vol.49, n.4, pp.513-524. ISSN 1851-2372.
Melissopalynological contribution to the knowledge of the honey flora in a sector of the Phytogeographic Chaquenian Province, Argentina. The honey flora of a sector of the Occidental y Oriental Chaco phytogeographic province, Argentina, was studied. Availability of plant flowering, considering the botanical origin of pollen grains contained in honey samples was investigated. Plant specimens and honey samples were collected in 20 apiaries during spring and summer of years 2004 to 2007. The flowering period in the studied region is larger than in other Argentinean regions, extending almost the entire year. Field records revealed the presence of 282 plants species belonging to 65 Angiosperms families being Fabaceae and Asteraceae the most well represented. Two flowering peaks were detected, one between September and December, and the other from February until late March. The first peak of flowering involves a larger number of plant species than the second. Major flowering contribution was produced by native species; woody plants are dominant in spring and herbaceous ones in summer. Although 118 pollen types were identified in the honey samples, the main nectar sources came from a few plants belonging to Asteraceae, Anacardiaceae, Arecaceae, Fabaceae, Rhamnaceae and Zygophyllaceae.
Keywords : Melliferous flora; Blooming; Nectar; Pollen; Honey; Chaco region.