Division Sampling and testingF1

Mother plants which have been maintained in insect proof facilities

A representative portion of certified mother plants shall be sampled every five years and tested concerning the presence of Prune dwarf virus, Prunus necrotic ringspot virus and Plum pox virus in order to have all plants tested within an interval of fifteen years. A representative portion of certified mother plants shall be sampled every fifteen years and tested concerning the presence of Candidatus Phytoplasma prunorum Seemüller & Schneider.

Mother plants which have not been maintained in insect proof facilities

A representative portion of certified mother plants shall be sampled every three years and tested for Plum pox virus in order to have all plants tested within an interval of fifteen years.

A representative portion of certified mother plants intended for the production of rootstocks shall be sampled every year and tested concerning the presence of Plum pox virus and found free from that RNQP. A representative portion of certified mother plants of Prunus cerasifera Ehrh. and Prunus domestica L. intended for the production of rootstocks have been sampled in the previous five growing seasons and tested concerning the presence of Candidatus Phytoplasma prunorum Seemüller & Schneider and found free from that RNQP.

A representative portion of certified mother plants shall be sampled and tested in the case of doubts concerning the presence of Xanthomonas arboricola pv. pruni (Smith) Vauterin et al. A representative portion of certified mother plants shall be sampled every fifteen years and tested on the basis of an assessment of the risk of infection of those plants concerning the presence of RNQPs, other than Candidatus Phytoplasma prunorum Seemüller & Schneider, Prune dwarf virus, Prunus necrotic ringspot virus and Plum pox virus, listed in Annex II, and tested in the case of doubts concerning the presence of RNQPs listed in Annex I.

• Flowering mother plants

  A representative portion of flowering certified mother plants shall be sampled every year and tested for Candidatus Phytoplasma prunorum Seemüller & Schneider, Prune dwarf virus and Prunus necrotic ringspot virus on the basis of an assessment of the risk of infection of those plants. In the case of Prunus persica (L.) Batsch, a representative portion of flowering certified mother plants shall be sampled once a year and tested for Peach latent mosaic viroid 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 Prune dwarf virus and Prunus necrotic ringspot virus on the basis of an assessment of the risk of infection of those plants.

• Non-flowering mother plants

  A representative portion of non-flowering certified mother plants, which have not been maintained in insect proof facilities, shall be sampled every three years and tested concerning the presence of Candidatus Phytoplasma prunorum , Prune dwarf virus and Prunus necrotic ringspot virus on the basis of an assessment of the risk of infection of those plants.