Council Directive 2007/33/EC of 11 June 2007 on the control of potato cyst nematodes and repealing Directive 69/465/EEC
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List of plants referred to in Articles 4(1), 4(2), 4(4), 5(1), 5(2), 8(3), 9(1)(b), and 10(1)
Host plants with roots:
Capsicum spp.,
Lycopersicon lycopersicum (L.) Karsten ex Farw.,
Solanum melongena L.
Other plants with roots:
Allium porrum L.,
Beta vulgaris L.,
Brassica spp.,
Fragaria L.,
Asparagus officinalis L.
Bulbs, tubers and rhizomes, not subjected to the officially approved measures as referred to in Section III(A) of Annex III, grown in soil and intended for planting, other than those for which there shall be evidence by their packaging or by other means that they are intended for sale to final consumers not involved in professional plant or cut flower production, of:
Allium ascalonicum L.,
Allium cepa L.,
Dahlia spp.,
Gladiolus Tourn. Ex L.,
Hyacinthus spp.,
Iris spp.,
Lilium spp.,
Narcissus L.,
Tulipa L.
sampling shall involve a soil sample with a standard rate of at least 1 500 ml soil/ha collected from at least 100 cores/ha preferably in a rectangular grid of not less than 5 metres in width and not more than 20 metres in length between sampling points covering the entire field. The whole sample shall be used for further examination, i.e. extraction of cysts, species identification and, if applicable, pathotype/virulence group determination;
testing shall involve methods for the extraction of potato cyst nematodes described in the relevant Phytosanitary Procedures or Diagnostic Protocols for Globodera pallida and Globodera rostochiensis: EPPO standards.
sampling shall be:
the sampling described in paragraph 1 with a minimum sampling rate of soil of at least 400 ml/ha,
or
targeted sampling of at least 400 ml of soil after visual examination of roots where there are visual symptoms,
or
sampling of at least 400 ml of soil associated with the potatoes after harvesting provided that the field where the potatoes were grown is traceable;
testing shall be the testing referred to in paragraph 1.
there is documentary evidence that no potatoes or other host plants listed in point 1 of Annex I have been grown and were present in the field in the six years prior to the official investigation;
or
no potato cyst nematodes have been found during the last two successive official investigations in samples of 1 500 ml soil/ha and no potatoes or other host plants listed in point 1 of Annex I, other than those for which an official investigation is required according to Article 4(1), have been grown after the first official investigation;
or
no potato cyst nematodes or potato cyst nematode cysts without live content have been found in the last official investigation which must have consisted of a sample size of at least 1 500 ml soil/ha and no potatoes or other host plants listed in point 1 of Annex I, other than those for which an official investigation is required according to Article 4(1), have been grown in the field since the last official investigation.
Results of other official investigations carried out before 1 July 2010 may be considered as official investigations as referred to in subparagraphs (b) and (c).
in the case of the standard rate referred to in paragraph 1, the first 8 ha shall be sampled at the rate specified therein, but may be reduced for each additional hectare to a minimum of 400 ml of soil/ha;
in the case of the reduced rate referred to in paragraph 3, the first 4 ha shall be sampled at the rate specified therein, but may be further reduced for each additional hectare to a minimum of 200 ml of soil/ha.
With reference to Article 5(2), the official investigation referred to in Article 4(1) shall establish that at the time of verification one of the following criteria are met:
no history of potato cyst nematodes in the field during the last 12 years, based on the results of appropriate officially approved testing,
or
a known cropping history in which no potatoes or other hosts plants listed in point 1 of Annex I have been grown in the field in the past 12 years.
The official surveys referred to in Article 6(1), shall be conducted on at least 0,5 % of the acreage used in the relevant year for the production of potatoes, other than that intended for the production of seed potatoes. The results of the surveys shall be notified to the Commission by 1 April for the previous 12 month period.
disinfestation by appropriate methods such that there is no identifiable risk of the potato cyst nematodes spreading;
removal of soil by washing or brushing until practically free of soil such that there is no identifiable risk of the potato cyst nematodes spreading.
The degree of susceptibility of potatoes to potato cyst nematodes shall be quantified according to the following standard scoring notation as referred to in Article 9(2).
The score 9 indicates the highest level of resistance.
| Relative susceptibility (%) | Score |
|---|---|
| < 1 | 9 |
| 1,1-3 | 8 |
| 3,1-5 | 7 |
| 5,1-10 | 6 |
| 10,1-15 | 5 |
| 15,1-25 | 4 |
| 25,1-50 | 3 |
| 50,1-100 | 2 |
| > 100 | 1 |
Ro1: population Ecosse
Ro5: population Harmerz
Pa1: population Scottish
Pa3: population Chavornay
Other potato cyst nematode populations of local relevance may be added.
Pftest variety/Pfstandard susceptible control variety × 100 %.
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