Annex
Other forms of nursery stock grown for 15 months for pathogen screening
Effective 14 July 2015 to 20 October 2015One plant is selected as the mother plant for each introduction and all material for propagation and testing is to be taken from these plants.
Plants must be grown for a minimum of 15 months for the following pathogen screening:
Pathogen type |
Mandatory screening1 | ||||
Visual screening |
Electron microscopy |
Herbaceous indexing |
PCR tests |
ELISA | |
Bacteria |
x |
1 |
|||
Fungi |
x |
1 |
|||
Phytoplasma |
x |
1 |
|||
Viruses |
x |
x |
2 tests 22 |
6 |
5 |
1Additional testing of symptomatic plants may include culturing, microscopy and molecular testing.
2Herbaceous indexing is performed using Chenopodium quinoa and Nicotiana tabacum