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  • About us
    • Management
    • Structure
      • Organizational Structure
      • Regional Structure
    • Areas of activity
      • Biological farming
      • Distribution of plants and plant passports
      • Export of plants and plant products
      • Fertilisers and substrates
      • Genetically modified organisms
      • Integrated pest management
      • Invasive plant species
      • Laboratory analysis
      • Phytosanitary supervision
      • Plant Varieties
      • Plant pests
      • Plant protection products
      • Seed certification and circulation
      • Soil agrochemical research
      • State supervision and official control
    • Publications and reviews
    • Laws and regulations
      • Agrochemical analysis of soil
      • Fertilizers and substrates
      • Genetically modified organisms
      • Integrated cultivation of cultivated plants
      • Invasive plant species
      • Organic farming
      • Organisms harmful to plants
      • Phitosanitary supervision
      • Plant Varieties
      • Plant protection products
      • Seed production and circulation
      • State supervision and official control
    • Whistleblowing
    • Ethics
    • International cooperation
    • Budget
    • Procurements
    • Vacancies
    • Projects
    • History
  • Services
    • Agronomic analysis of soil in laboratory
    • Agronomic exploration of soils
    • Amendment of the official register of professional operators concerning the change of address and/or type of activity of the operator engaged in the labelling of wood packaging material
    • Amendments to the documentation and/or conditions of use of a registered plant protection product
    • Application for de minimis aid in the measure “Aid for the production and use of quality seed”
    • Application for the granting of breeder's rights
    • Application for the inclusion of a variety in the Latvian Catalogue of Plant Varieties
    • Authorisation for extension of the application of a registered plant protection product
    • Authorisation for labelling of wood and wood packaging material prior to heat treatment
    • Authorisation for marketing of a registered fertiliser and substrate if its quality does not correspond to the indicators declared in the register
    • Authorisation for parallel trade of a plant protection product
    • Authorisation for printing plant passport
    • Authorisation for restricted and controlled use of an unregistered plant protection product
    • Authorisation for testing and registration of the relevant lot of the imported fertiliser and substrate
    • Authorisation for the certification of the process of heat treatment of wood and wood packaging material
    • Authorisation for the import and marketing of a specific lot of a registered fertiliser
    • Authorisation for the import or marketing of a fertiliser and substrate not referred to in regulatory enactments
    • Authorisation for the import or movement of harmful organisms, plants and plant products intended for experimental or scientific purposes and varietal selection
    • Authorisation for the introduction of a fertiliser and substrate for testing and registration
    • Authorisation for the placing on the market and use of a plant protection product
    • Authorisation for the training of users, user operators, sellers and consultants of plant protection products
    • Authorisation for the use of a registered plant protection product for unregistered use in studies and experiments
    • Authorisation for the use of an unregistered plant protection product in studies and experiments
    • Authorisation for the use of seed and propagating material of conventional origin in organic farming
    • Authorisation for use of plant passport and manufacture of plant passport
    • Authorisation of imports of unregistered fertiliser for efficacy trials and studies
    • Average seed sampling, analysis and labelling
    • Cancellation of registration of a plant protection product
    • Certificate for carrying out inspections of plant protection products
    • Certificate for testing the effectiveness of plant protection products
    • Certificate for the operation of plant protection products
    • Change of the holder of the registration certificate for a plant protection product
    • Declaration on phytosanitary control
    • Extension of the marketing period for a plant protection product expiring
    • Field History
    • Inclusion of a fertiliser and substrate in the list of fertilisers for organic farming
    • Inclusion of a variety in the list of varieties of fruit trees and berry species or removal from the list
    • Inclusion of the live organism in the Register of Plant Protection Products
    • Issue of labels certifying the inspection of plant protection products to the performer of tests
    • Laboratory analysis of samples of plants, plant products, soil and plant pests
    • Notification of areas where Sosnovska hogweed is growing
    • Notification of fertiliser and substrate
    • Overview of the proliferation of plant protection products
    • Permit for placing on the market of seed of varieties not yet included in the Latvian Catalogue of Plant Varieties
    • Phytosanitary certificate
    • Pre-export certificate
    • Recognition of plant protection plant inspection carried out in another Member State of the European Union
    • Registration in the official register of professional operators or deletion from the register
    • Registration in the register of collectors of vegetable varieties, amendment or deletion from the register
    • Registration in the register of integrated farming of agricultural products or deletion from the register
    • Registration in the Register of Seed Growers and Seed Traders, making or removing amendments from the Register
    • Registration of a Plant Variety License Agreement
    • Registration of fertiliser and substrate
    • Re-inclusion of the living organism in the Register of Plant Protection Products
    • Renewal of authorisation for the placing on the market and use of a plant protection product
    • Reporting of fertilisers and substrates produced and imported for marketing
    • Sampling of soil, plants and plant products for the determination of the presence of active substances of plant protection products
    • Special permit (licence) for the distribution of plant protection products
    • Submission of an application regarding the register of a fertiliser labelled “EC fertiliser”
    • Submission of information on available organic seed and propagating material
    • Submission of information on the products sold (explosives precursors)
    • Submission of information on the spread of Sosnovska hogweed in his or her own property or legal possession
    • Submission of information regarding the marketing sites of fertilisers (explosives precursors)
    • Summary of Fertilisation Plans for Cultivated Plants
    • Viewing the growing field
  • Explanations
    • Plant pests
      • Quarantine organisms of the European Union
      • Regulated non-quarantine organisms
      • Protected Zones
      • Fire blight buffer zones
      • Other pests
    • Soil agrochemical analysis
    • Plant protection products
    • Plant varieties
      • Variety protection
      • Variety registration
    • Exports of plants and plant products
    • Biological farming
      • Form for the record of conventional propagating material used in biological farming under a general permit
      • Products authorised for use in biological farming
      • Seed and propagating material database
      • Seed and propagating material permits
    • Phytosanitary supervision
    • Genetically modified organisms
    • Invasive plant species
      • List of species
      • Reporting sightings of invasive species
    • Laboratory analysis
      • Agrochemical Laboratory
      • National seed control laboratory
      • National Phytosanitary Laboratory
    • Plant distribution and plant passports
    • Seed distribution and plant passports
    • State supervision and official control
  • Current events
    • Event calendar
    • News
    • Press information
    • Photos and videos
    • Public participation
  • Contacts
    • Contacts of the Authority
    • Branch contacts
  • About us
    • Management
    • Structure
      • Organizational Structure
      • Regional Structure
    • Areas of activity
      • Biological farming
      • Distribution of plants and plant passports
      • Export of plants and plant products
      • Fertilisers and substrates
      • Genetically modified organisms
      • Integrated pest management
      • Invasive plant species
      • Laboratory analysis
      • Phytosanitary supervision
      • Plant Varieties
      • Plant pests
      • Plant protection products
      • Seed certification and circulation
      • Soil agrochemical research
      • State supervision and official control
    • Publications and reviews
    • Laws and regulations
      • Agrochemical analysis of soil
      • Fertilizers and substrates
      • Genetically modified organisms
      • Integrated cultivation of cultivated plants
      • Invasive plant species
      • Organic farming
      • Organisms harmful to plants
      • Phitosanitary supervision
      • Plant Varieties
      • Plant protection products
      • Seed production and circulation
      • State supervision and official control
    • Whistleblowing
    • Ethics
    • International cooperation
    • Budget
    • Procurements
    • Vacancies
    • Projects
    • History
  • Services
    • Agronomic analysis of soil in laboratory
    • Agronomic exploration of soils
    • Amendment of the official register of professional operators concerning the change of address and/or type of activity of the operator engaged in the labelling of wood packaging material
    • Amendments to the documentation and/or conditions of use of a registered plant protection product
    • Application for de minimis aid in the measure “Aid for the production and use of quality seed”
    • Application for the granting of breeder's rights
    • Application for the inclusion of a variety in the Latvian Catalogue of Plant Varieties
    • Authorisation for extension of the application of a registered plant protection product
    • Authorisation for labelling of wood and wood packaging material prior to heat treatment
    • Authorisation for marketing of a registered fertiliser and substrate if its quality does not correspond to the indicators declared in the register
    • Authorisation for parallel trade of a plant protection product
    • Authorisation for printing plant passport
    • Authorisation for restricted and controlled use of an unregistered plant protection product
    • Authorisation for testing and registration of the relevant lot of the imported fertiliser and substrate
    • Authorisation for the certification of the process of heat treatment of wood and wood packaging material
    • Authorisation for the import and marketing of a specific lot of a registered fertiliser
    • Authorisation for the import or marketing of a fertiliser and substrate not referred to in regulatory enactments
    • Authorisation for the import or movement of harmful organisms, plants and plant products intended for experimental or scientific purposes and varietal selection
    • Authorisation for the introduction of a fertiliser and substrate for testing and registration
    • Authorisation for the placing on the market and use of a plant protection product
    • Authorisation for the training of users, user operators, sellers and consultants of plant protection products
    • Authorisation for the use of a registered plant protection product for unregistered use in studies and experiments
    • Authorisation for the use of an unregistered plant protection product in studies and experiments
    • Authorisation for the use of seed and propagating material of conventional origin in organic farming
    • Authorisation for use of plant passport and manufacture of plant passport
    • Authorisation of imports of unregistered fertiliser for efficacy trials and studies
    • Average seed sampling, analysis and labelling
    • Cancellation of registration of a plant protection product
    • Certificate for carrying out inspections of plant protection products
    • Certificate for testing the effectiveness of plant protection products
    • Certificate for the operation of plant protection products
    • Change of the holder of the registration certificate for a plant protection product
    • Declaration on phytosanitary control
    • Extension of the marketing period for a plant protection product expiring
    • Field History
    • Inclusion of a fertiliser and substrate in the list of fertilisers for organic farming
    • Inclusion of a variety in the list of varieties of fruit trees and berry species or removal from the list
    • Inclusion of the live organism in the Register of Plant Protection Products
    • Issue of labels certifying the inspection of plant protection products to the performer of tests
    • Laboratory analysis of samples of plants, plant products, soil and plant pests
    • Notification of areas where Sosnovska hogweed is growing
    • Notification of fertiliser and substrate
    • Overview of the proliferation of plant protection products
    • Permit for placing on the market of seed of varieties not yet included in the Latvian Catalogue of Plant Varieties
    • Phytosanitary certificate
    • Pre-export certificate
    • Recognition of plant protection plant inspection carried out in another Member State of the European Union
    • Registration in the official register of professional operators or deletion from the register
    • Registration in the register of collectors of vegetable varieties, amendment or deletion from the register
    • Registration in the register of integrated farming of agricultural products or deletion from the register
    • Registration in the Register of Seed Growers and Seed Traders, making or removing amendments from the Register
    • Registration of a Plant Variety License Agreement
    • Registration of fertiliser and substrate
    • Re-inclusion of the living organism in the Register of Plant Protection Products
    • Renewal of authorisation for the placing on the market and use of a plant protection product
    • Reporting of fertilisers and substrates produced and imported for marketing
    • Sampling of soil, plants and plant products for the determination of the presence of active substances of plant protection products
    • Special permit (licence) for the distribution of plant protection products
    • Submission of an application regarding the register of a fertiliser labelled “EC fertiliser”
    • Submission of information on available organic seed and propagating material
    • Submission of information on the products sold (explosives precursors)
    • Submission of information on the spread of Sosnovska hogweed in his or her own property or legal possession
    • Submission of information regarding the marketing sites of fertilisers (explosives precursors)
    • Summary of Fertilisation Plans for Cultivated Plants
    • Viewing the growing field
  • Explanations
    • Plant pests Find information on the classification of plant pests according to their type, descriptions of the different organisms and photos.
      • Quarantine organisms of the European Union
      • Regulated non-quarantine organisms
      • Protected Zones
      • Fire blight buffer zones
      • Other pests
    • Soil agrochemical analysis
    • Plant protection products Plant protection products are products (chemical, microbiological) for the protection of plants and plant products against organisms harmful to plants or for the prevention of damage caused, for affecting plant life processes, for preserving plant products, for destroying unwanted plants or plant parts or for preventing their growth.
    • Plant varieties
      • Variety protection
      • Variety registration
    • Exports of plants and plant products
    • Biological farming
      • Form for the record of conventional propagating material used in biological farming under a general permit
      • Products authorised for use in biological farming
      • Seed and propagating material database
      • Seed and propagating material permits
    • Phytosanitary supervision Phytosanitary supervision includes monitoring of organisms harmful to plants to determine the geographical distribution and status of harmful organisms in the territory of Latvia, as well as measures to ensure phytosanitary security in the country to protect its territory from dangerous organisms harmful to plants.
    • Genetically modified organisms
    • Invasive plant species Invasive plant species are species that are not native to Latvia, threaten native species and their habitats, or cause economic loss, damage to human health or the environment.
      • List of species
      • Reporting sightings of invasive species
    • Laboratory analysis The National Plant Protection Service administers the Agrochemical Laboratory, the National Phytosanitary Laboratory and the National Seed Control Laboratory. The laboratories carry out different analyses and have different requirements for the samples to be analysed.
      • Agrochemical Laboratory
      • National seed control laboratory
      • National Phytosanitary Laboratory
    • Plant distribution and plant passports
    • Seed distribution and plant passports
    • State supervision and official control
  • Current events
    • Event calendar
    • News
    • Press information
    • Photos and videos
    • Public participation
  • Contacts
    • Contacts of the Authority
    • Branch contacts
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Mikroskops
Sēklas ar dīgstiem
Sēklas ar dīgstiem
Sēklas uz paplātes

Seed sample analysis

To evaluate the quality of the seed sample, the following analyses are used: purity of the seed, admixture of seeds of other plant species, germination, viability, moisture content, pest infestation, 1000 seed weight, presence of wild oats. The laboratory also analyses seed mixtures (percentage of species and germination) and, depending on the client's wishes, can also carry out seed health tests.

Published: 23.01.2022.

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