Sökning: "quarantine pest"

Hittade 2 uppsatser innehållade orden quarantine pest.

1. 1. A risk assessment of Bemisia tabaci and its quarantine status in Sweden

   L3-uppsats, SLU/Dept. of Crop Science

   Författare :Thilda Nilsson; [2006]
   Nyckelord :Bemisia tabaci; cotton whitefly; sweet potato whitefly; tobacco whitefly; quarantine pest;

   Sammanfattning : Bemisia tabaci, the cotton whitefly, is a polyphagous pest of numerous important crops grown in subtropical and tropical areas and in greenhouses. It is considered the most important member of the whitefly family (Aleyrodidae), from an economic point of view, due to its polyphagy and ability to transmit viruses. LÄS MER

3. 2. Kålgallmygga, Contarinia nasturtii Kieffer : en växtskadegörare på kål

   L3-uppsats, SLU/Dept. of Crop Science

   Författare :Stina Andersson; [2005]
   Nyckelord :kålgallmygga; Contarinia nasturtii; Swede Midge; Kohldrehherzgallmücke; kål; växtskadegörare; växtskydd; feromon; karantänskadegörare; gallmygga; skadegörare; grönsaker;

   Sammanfattning : The purpose of this paper is to examine what problems cabbage growers have with the Swede Midge. The last few years the Swede Midge, Contarinia nasturtii, has become a larger problem for cabbage growers in several countries in Europe as well as in Sweden. LÄS MER