Certification bodies

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At present, GLOBALG.A.P. has become the leading worldwide standard in good agricultural practices and certification programme ensuring that consumer requirements are reflected in agricultural production in over 100 countries across all five continents.

The EUREPGAP standards help producers comply with Europe-wide accepted criteria for food safety, sustainable production methods, worker and animal welfare, responsible water consumption, compound feed for animals and plant propagation materials.


The Tesco NURTURE standard is a requirement for producers who supply Tesco with fresh fruit and vegetables, ensuring the best agricultural practices in the production of fresh products.

The standard relies on producers’ ability to demonstrate that products are grown and handled so as to comply with the requirements set out in the regulation, and in an environmentally responsible way. Obtaining the certificate is an advantage in meeting Tesco customers’ high demands.

The scheme belongs to Tesco plc, and is exclusively restricted to producers who supply Tesco stores in the United Kingdom.


The programme for certifying citrus seedlings features a set of legal regulations, the periodical holding of diagnostic tests for harmful organisms and diseases along with a series of inspections during the various phases of propagation in nurseries, ensuring plants’ clonal origins and guaranteeing the authenticity of varieties and overall health. .

Those to benefit from the certification programme are mainly farmers and as a consequence, the citriculture of country. The official body in each autonomous community is responsible for the control and certification of seeds and seedlings in Catalonia.

Categories of plant materials

The commercial propagation of certified citrus seedlings is based on ensuring the affiliation of the materials propagated (clonal origins) by means of different categories of plants. These categories are as follows: parent, base mother plant, mother of certified plant and certified plant.

Certification programme

Along with guaranteeing the absence of harmful organisms and diseases, the certification programme also requires plants to fulfill phytosanitary quality requirements set out in Royal Decree 929/1995 and the phytosanitary conditions established in Royal Decree 2071/1993 (Phytosanitary Passport Regulation).

The certification programmes guarantee that the seedling is free from pathogens, with periodical health controls conducted by indexing the mother plants and the seedlings. These also ensure that visual controls have not detected the presence of harmful organisms and diseases indicated in the aforementioned Royal Decrees.

Sanitation and quarantine programmes normally encompass all known pathogens, although a mistaken belief persists that certification programmes also feature these pathogens. Certification programmes instead focus on pathogens to have been detected in the country, including visual controls in order to detect quarantine pathogens that have yet to exist in the country.

Certification programmes are centred on pathogens which may be transmitted by graft, mainly viruses and viroids, as well as fungi, bacteria and insects.

Finally, it must be mentioned that these programmes certify that the seedlings have been produced on the basis of a primary material free from harmful organisms by means of a controlled process that reduces recontamination of viruses as far as possible during the production of the seedling.