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      Influence des engrais de type NPK sur l’oviposition d’Aedes aegypti

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      Parasite

      EDP Sciences

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          Abstract

          Fertilizers are mineral associations intended to bring to the plants nutritive complements necessary to their growth. Modern fertilizers (NPK) combine the three basic elements which are the nitrogen (N), phosphorus (P) and potassium (K). In this study, we investigated in tunnel apparatus the influence of aqueous solutions containing low, moderate and high concentrations of NPK on the oviposition of Aedes aegypti. The results showed that the solutions containing moderate concentrations (NK = 17-33 mg/l and P = 23-47 mg/l) attracted significantly more gravid females than distilled water (P < 0.001). Conversely, the solutions containing either low or high concentrations of NPK (NK = 8 mg/l and P = 12 mg/l; NK = 50 mg/I and P = 70 mg/l) did not induce significant attraction (P > 0.05). These findings suggest that NPK fertilizers may influence the egg-laying behaviour of Ae. aegypti in field situations.

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          Author and article information

          Journal
          Parasite
          Parasite
          EDP Sciences
          1252-607X
          1776-1042
          March 2008
          March 2008
          : 15
          : 1
          : 89-92
          Article
          10.1051/parasite/2008151089
          18416252
          © 2008

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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          Self URI (journal page): http://www.parasite-journal.org/

          Parasitology, Life sciences

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