SOWING FOR BEES - BEEKEEPING AND CATTLE PROJECT SAN SEBASTIAN ECOLOGICAL BEEKEEPING - ORGANIC CERTIFICATION |
MELLIFEROUS FLORA FROM CHACO Cristina Salgado polenenmiel@agr.unne.edu.ar UNNE - Corrientes - Argentina ABSTRACT The present work is the fruit of the first stage of investigation activities refered to the determination of some resources of pollen and nectar, used by Apis mellifera, in the Argentine Province of Chaco. It tries to satisfy the current demands of the beekeeping production and become a tool of knowledge applicable to the sector. At the same time, it tries to be a contribution to know more about the Melliferous Flora of the province. It is the result of the work carried out with beekeepers from Chaco promoted by the coordinator of PROSAP through the Project of Commercial Development of Non Traditional Products that is executed in the Ministry of Production of Chaco. The work was carried out in the whole province and the report of data was carried out during the beekeeping period 2004 - 2005. 152 samples of honey sealed, 20 of immature honey and 15 of pollen from the pollen basket (corbicula) were analyzed, obtained from 36 apiaries visits. The samples were processed and analyzed according to conventional methods of the melissopalynology. It was confirmed the presence of honeys with monofloral, polifloral and mixed origin. 95 types of pollen were identified in the analyses of honey carried out. The study allowed to confirm the mainly native floral origin of the honeys produced in the county of Chaco. - INTRODUCTION - METHODOLOGY - RESULTS - CONCLUSIONS - GRATEFULNESS - BIBLIOGRAPHY To top CHARACTERIZATION, PHENOLOGY AND BEEKEEPING INTEREST OF THE VEGETATION OF THE DIAMANTE DEPARTMENT, Entre Ríos Province Guillermina Fagúndez and others guillermina_fagundez@yahoo.com.ar CONICET Diamante - Entre Ríos - Argentina ABSTRACT The objective of the present work was studying the flora used by the domestic bee (Apis mellifera L.) in the department Diamante, Entre Ríos, from the point of view of its availability in the beekeeping season. This work is a previous task in the study of the resources of nectar and pollen used by this insect, through the palynologic analysis of honeys and pollen from pollen basket (corbicula). To sum up the same one phenologic census were carried out biweekly in diffent preset areas (registering the flowering time of each species: Beggining, fullness or end). The data were raised during the periods 1999-2002. The determination of the beekeeping interest species was made according to the field activity of bees, as well as pertinent bibliography. With this information a phenologic calendar was elaborated that included 273 species, detailing the type of resource it brings (nectar, pollen or both) and the origin of each one of them (native or exotic). The analysis of the information determined that an abundant flowering existed along the whole beekeeping season talking about the number of species. The native ones overcame thoroughly the exotic ones through the whole period; but when considering the surface occupied by each one of them, the first ones lose importance because they are in very reduced areas due to the intense human action made in the department. Two flowering (picks) were presented; one in spring, conformed by native and exotic species, most of them herbaceous, but with an important contribution of arboreal and bush species; and another at the beggining of the summer, of more magnitude, represented by mainly native species, and herbaceous. The herbaceous species prevailed in comparison with the arboreal and bush ones during the whole season, with picks of flowering that coincide with the previously mentioned ones; the second presented two picks, the higher during the spring, and the shorter in the middle of summer. Compositae and Leguminosae were the most numerous families and with higher flowering volume. The Umbelliferous were important in flowering volume. The contribution of the Compositae lasted during the whole season, while the Leguminosae and Umbelliferous contributed mainly in spring. Taking into account the kind of resource they contributed, prevailed the ones which offer as nectar as pollen. To top "ABREPUÑO AMARILLO" Honeys Centaurea solstitialis L. (Asteraceae) - Ofelia Ana Naab and María Angélica Tamame naab@agro.unlpam.edu.ar Faculty of Agronomy UNLP - La Pampa - Argentina "The 'abrepuño amarillo' or 'abrepuño' is a weed introduced in Argentina from Eurasia and distributed widely through the wold. Nowadays it can be found in the mild areas of the planet. In Argentina, it's very common in provinces as Salta, Chaco, Santa Fe, Córdoba, Entre Ríos, San Luis, La Pampa, Buenos Aires, Neuquén and Río Negro. It also can be found in borderingcountries as Chile, Uruguay, Paraguay and Brazil. In La Pampa is very common in modified places of the Pampeana Steppe and the "caldenal" (Prosopis caldenia area). Acording to that geographical distribution, we can find "abrepuño" honeys in the phytogeographic province of "Espinal", district of Prosopis caldenia and in the "Pampeana" phytogeographic province. Most of the monofloral european honeys of "abrepuño" come from Italy and France." The article describes these honeys for the specified region in the following subtitles: 0 - Characteristic of the "abrepuño" - Its importance in the Pampeans Honeys - Approaches used to determine the botanical origin of a honey - Pollinic characters - Physical and chemical characters - Conclusions - Chart 1: Pollen Characteristic of the abrepuño honeys - Chart 2: Chemical - physical and pollen characteristics of abrepuño honeys - Bibliography To top |
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