The analysis of weed communities from a rape crop in Fundulea (county - Călăraşi)

Published in Scientific Papers. Series A. Agronomy, Vol. LV-2012
Written by Mihaela Ioana GEORGESCU, Horia Victor HĂLMĂJAN

Since under normal vegetation conditions in rape crops there are not treatment methods for dicotyledonous weed control, we analyzed a weed community installed in a rape field, in the specific climatic conditions of the Fundulea village (count Calara.i). Our goal was to highlight the floristic composition, flowering period, annual/ perennial dicotyle -monocotyle ratio, bioforms spectrum, species general spread, species spectrum requirements for environmental factors and the degree of fidelity to the crop. Through spring mapping a predominance of annual dicotyledonous, flowering in spring (Lamium purpureum, Veronica pollita, Thlaspi perfoliatum, etc.) and a number of perennial species with high possibilities of vegetative propagation and summer flowering (Cirsium arvense, Convolvulus arvensis) were found. In terms of requirements for environmental factors, the species are indifferent to soil pH, adapted to local conditions: predominantly xero-mesophilic, micro-mesothermal.

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Georgescu M. I., Hălmăjan H. V., 2012 The analysis of weed communities from a rape crop in Fundulea (county - Călăraşi). Scientific Papers. Series A. Agronomy, Vol. LV, ISSN-L 2285–5785, 298-301.

 


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