Zone de Texte: Invasive alien plants in plant quarantine Zone de Texte: Basic requirements: plant has to fulfil definition of a pest of plants, criteria have to be clearly documented, consistent and transparent, if invasiveness is suspected, a certain evidence has to be demonstrated Zone de Texte: G. Schrader Federal Biological Research Centre for Agriculture and Forestry Zone de Texte: May 2005 Department for Plant Health

Previous
1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27 
Next