Sökning: "bekämpningsåtgärder"

Visar resultat 11 - 12 av 12 uppsatser innehållade ordet bekämpningsåtgärder.

1. 11. The European corn borer in Sweden : a future perspective based on a phenological model approach

   Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Författare :Joel Forsmoo; [2015]
   Nyckelord :Bt corn; diapause; life-stage; degree days; Ostrinia nubilalis Hubner ; European corn borer; pest management; Physical Geography and Ecosystem Analysis; Agriculture and Food Sciences; Earth and Environmental Sciences;

   Sammanfattning : The European Corn Borer (ECB) has the potential to markedly reduce the yield from corn plants and in turn affect the economy of farmers. The human world population is increasing and there is consequently an increased number of mouths to feed on a limited area, the Earth, and this makes this an important topic to study. LÄS MER

3. 12. Samspel mellan amerikansk blomtrips, Frankliniella occidentalis, och kruk-gerbera, Gerbera jamesonii

   L3-uppsats, SLU/Dept. of Crop Science

   Författare :Lena Roth; [2004]
   Nyckelord :frankliniella occidentalis; amerikansk blomtrips; gerbera;

   Sammanfattning : Gerbera jamesonii is a plant with a large amount of pollen and various flower colours and a favourite host plant for Frankliniella occidentalis. The best growing temperature for gerbera is approximately 20°C. LÄS MER