Visual inspections shall be carried out once a year.
Each flowering pre-basic mother plant shall be sampled and tested for PDV and PNRSV one year after its acceptance as a pre-basic mother plant and with subsequent intervals of one year. Each tree planted intentionally for pollination and, where appropriate, the major pollinating trees in the environment shall be sampled and tested for PDV and PNRSV.
In the case of P. persica, each flowering pre-basic mother plant shall be sampled one year after its acceptance as a pre-basic mother plantand tested for PLMVd.
Each pre-basic mother plant shall be sampled 10 years after its acceptance as a pre-basic mother plant, and with subsequent intervals of 10 years, and tested for viruses, other than PDV and PNRSV, relevant for the species as listed in Annex II, and tested in the case of doubts concerning the presence of pests listed in Part A of Annex I.
A representative portion of flowering basic mother plants shall be sampled every year and tested for PDV and PNRSV on the basis of an assessment of the risk of infection of those plants. A representative portion of trees planted intentionally for pollination and, where appropriate, the major pollinating trees in the environment shall be sampled and tested for PDV and PNRSV on the basis of an assessment of the risk of infection of those plants.
In the case of P. persica, a representative portion of flowering basic mother plants shall be sampled once a year and tested for PLMVd on the basis of an assessment of the risk of infection of those plants.
A representative portion of non-flowering basic mother plants shall be sampled every three years and tested for PDV and PNRSV on the basis of an assessment of the risk of infection of those plants.
A representative portion of basic mother plants shall be sampled every 10 years and tested for pests, other than PDV and PNRSV, relevant for the species as listed in Part A of Annex I and Annex II on the basis of an assessment of the risk of infection of those plants.
A representative portion of flowering certified mother plants shall be sampled every year and tested for PDV and PNRSV on the basis of an assessment of the risk of infection of those plants. A representative portion of trees planted intentionally for pollination and, where appropriate, the major pollinating trees in the environment shall be sampled and tested for PDV and PNRSV on the basis of an assessment of the risk of infection of those plants.
In the case of P. persica, a representative portion of flowering certified mother plants shall be sampled once a year and tested for PLMVd on the basis of an assessment of the risk of infection of those plants.
A representative portion of non-flowering certified mother plants shall be sampled every three years and tested for PDV and PNRSV on the basis of an assessment of the risk of infection of those plants.
A representative portion of certified mother plants shall be sampled every 15 years and tested for pests, other than PDV and PNRSV, relevant for the species as listed in Part A of Annex I and Annex II on the basis of an assessment of the risk of infection of those plants.
Sampling and testing shall be carried out in the case of doubts concerning the presence of pests listed in Part A of Annex I and Annex II.