Entwicklungsbild der Sonnenblume

Elemente der Naturwissenschaft 87, 2007, P. 31-42 | DOI: 10.18756/edn.87.31


In a project lasting eighteen months (2005-6) entitled ‘Warmth processes in the landscape’, Danica Jančáryová examined what characterises warmth processes and where and how they find their way into farming practice. Using the sunflower as an example, the effects on the shape of the plant and the lipid composition of its seed were investigated at two different sites with differing altitudes, each with and without black plastic sheeting covering the ground. In this context, the author, accompanied by more or less intimate inner feelings, made the observations of the developmental pattern of the sunflower which are presented here. Such observations can help to see in combination the connection of shape (gesture; for example, lowered flower head) and coloration’s (for example, the ligulate flowers, the seeds) with the degree of ripeness and the composition of constituents of, for example, the seed and thereby facilitate a deeper understanding of the inherent organismic processes such as warmth and their manifestation physically.

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