The Evolution of the Most Important Pest Species of Maize Crops in Different Soil Tillage Systems at ARDS Turda

Adina IVAȘ, Felicia MUREȘANU, Voichița HAȘ

Abstract


The researches were performed on maize crops from ARDS Turda, during 2010 - 2012 and consisted in observations and determinations regarding the collection and identification of the most important pests from the synthetic sex pheromone traps. Field results were calculated and interpreted using various ecological parameters: abundance (A), dominance (D), for the entire growing season (spring, summer and autumn) of the years of research. The placement of sex pheromone traps in the natural habitat of species and register the number of catches in correlation with the evolution of climatic factors, allowed the plotting curves flight, which by their shape, by the number and timing of catch, showed the number of generations which species develop for a certain ecological area. Using synthetic sex pheromone traps, allowed the monitoring of Lepidoptera species damaging of crops, abundance of these species present in crops, as well as to establishing flight dynamics, played by curved flight, which serve to study the biology of these species and warning applying the treatments.


Keywords


arable soil tillage systems, maize pests, abundance, dominance, sex pheromone traps.

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