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Včelí pastva a výživný potenciál medonosné rostliny
Půst, Petr
The diploma thesis is focused on the nutritional potential of bee friendly plants in the landscape for the honeybee. The aim was to verify a new method of evaluating the intensity nectar production of plants using the average daily weight changes of bee colonies placed in isolation cages on a plants of Phacelia tanacetifolia Benth. In the experiment, it was confirmed that the intensity of nectar production of bee friendly plants can be evaluated through the mass development of bee colonies placed in isolation cages with flowering vegetation with the same phenological phase. Statistically, it was not proved that plants of Phacelia tanacetifolia produce a higher amount of nectar during the first 7 days during its full bloom. The estimate of the honey yield in the experimental field growth of Phacelia tanacetifolia reached 210.5 kg/ha. The results can be used to investigate the effects on the production of nectar from plants in the future, thereby increasing the nutritional value of bee grazing in practice. Because a more nutritious bee pasture in the landscape is a fundamental determinant for the creation of a healthy, viable and productive bee colony.

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