News
Adjusted opening hours in May
29 april 2026
Several holidays are just around the corner again. Please take into account different opening hours during these days...
Submission of Photos with the Application for a Vegetable Variety
13 april 2026
To apply for listing and/or plant breeders’ rights for a vegetable variety, a Technical Questionnaire (TQ) must be...
New SE-PCR tests for Tomato, Pepper and Cucurbitacea
8 april 2026
We are introducing a new real-time RT-PCR to test the presence or absence of tomato leaf curl New Delhi virus...
TAIEX mission in Guatemala: steps toward modern Plant Breeders’ Rights and UPOV membership
3 april 2026
From 16 to 20 March, the TAIEX INTPA expert mission on Plant Variety Protection (PVP) and the UPOV system took place...
Temporary suspension of PEQ activities
24 maart 2026
Naktuinbouw will temporarily stop its Post Entry Quarantine (PEQ) activities.
Annual Report: Our work in 2025
18 maart 2026
Curious about what we did in 2025? The highlights of the past year are ready for you in our online annual report.
International Ralstonia experts gather for the 8th International Bacterial Wilt Symposium
4 maart 2026
From 22 to 26 March, the 8th International Bacterial Wilt Symposium (8th IBWS2026) will take place in Wageningen....
Invitation to your annual meeting with Variety Testing
6 februari 2026
We would like to invite you to an annual meeting of your vegetable / ornamental applications for Plant Breeders'...
International Results 2025: Strengthening PVP and DUS Systems Worldwide
6 februari 2026
In 2025, Naktuinbouw worked extensively with countries around the world to strengthen plant breeders’ rights systems...
Modification submission requirements French bean (dwarf and climbing beans)
14 januari 2026
We are moving forward the application form submission deadline and the seed sample submission deadline by one month....
Laboratory registrations can no longer be changed to urgent
19 december 2025
As of January 1, 2026, regular samples can no longer be converted to urgent after registration.
Fees 2026
15 december 2025
We will be increasing our fees by 4 to 7% on January 1, 2026. This depends on the service or product you purchase...
Program NAL Proficiency tests 2026 is available
12 december 2025
NAL authorizes company laboratories to perform seed quality testing. One of the components of monitoring test quality...
New seed extract PCR (SE-PCR) test for various legume crops
10 december 2025
Starting December 1st, we can test for the presence or absence of Curtobacterium flaccumfaciens pv. flaccumfaciens on...
New seed extract PCR (SE-PCR) test for corn salad (Valerianella locusta)
10 december 2025
Starting December 15th, we can test for the presence or absence of Acidovorax valerianellae on seed of corn salad.
New test for kiwi plant material
10 december 2025
We are introducing a new test for the detection of Pseudomonas syringae pv. actinidae in kiwifruit plants. The test...
Protect your crops – Master company hygiene today!
24 november 2025
In horticulture, hygiene isn’t optional - it’s critical. Poor hygiene practices can lead to devastating disease...
Discover the Essentials of Plant Breeders’ Rights and Registration Procedures
21 november 2025
Plant Breeders’ Rights (PBR) are more than a legal concept, they are the backbone of innovation in horticulture....
Bendert de Graaf appointed as new Domain Head GT&A
19 november 2025
On 1 January 2026, Bendert de Graaf will join us as the new Domain Head for Plant and SeedHealth, Testing & Analyses...
To divide is to multiply: how can DNA accelerate or improve DUS testing and breeding processes?
6 november 2025
On Thursday, October 30th, a symposium on the application of DNA information in plant breeding and DUS testing took...
Declaration required: bean samples free from Cff
24 oktober 2025
In 2024 and 2025, infections with Curtobacterium flaccumfaciens pv. flaccumfaciens (Cff) were found in Dutch bean...
Transition to PCR for Alstroemeriaceae, Ranunculaceae and Verbenaceae postponed
1 oktober 2025
We previously announced that starting September 1 for crops in the Alstroemeriaceae family, and starting October 1...
New version of the Naktuinbouw Testing & Analysis Price List from October 1
29 september 2025
We develop new tests, change existing tests or stop performing certain tests. That is why we regularly publish a new...
New seed extract PCR tests for Cucurbitacea, pepper and New Zealand spinach seeds
22 september 2025
Starting September 1st, we can test for the presence or absence of Papaya ringspot virus (PRSV) on seed of...
Prolongation of registration for an actual Variety Register 2025
27 augustus 2025
This year prolongation of registration can be applied for varieties of vegetable and agricultural species which have...
Lower fees for genetic identification of raspberry and strawberry varieties fall 2025
27 augustus 2025
Naktuinbouw has developed genetic identification tools for identifying raspberry and strawberry varieties. The...
New E-learning: Sampling Small Seed Lot
15 augustus 2025
In May, Naktuinbouw launched a new e-learning module titled “How to sample fruits, small seed lots, and compartments”...
As of Oktober 1, PCR tests will replace ELISA tests for various floricultural crops
13 augustus 2025
As of Oktober 1, 2025, for the crops in the families Apocynaceae, Lamiaceae, Mesembryanthemaceae, Ranunculaceae and...
As of September 1, PCR tests will replace ELISA tests for various floricultural crops
9 juli 2025
As of September 1, 2025, for the crops in the families Actinidiaceae, Alstroemeriaceae en Portulacaceae, we will...
New Seed Extract PCR (SE-PCR) test for lettuce
25 juni 2025
We are introducing a new real-time PCR to test the presence or absence of Lettuce mosaic virus (LMV) on seeds of...
As of August 1, PCR tests will replace ELISA tests for various floricultural crops
16 juni 2025
As of August 1, 2025, for the crops in de families Apiaceae en Caryophyllaceae, we will introduce PCR tests to...
As of July 1, PCR tests will replace ELISA tests for various floricultural crops
14 mei 2025
As of July 1, 2025, for the crops in de families Onagraceae, Plumbaginaceae, Primulaceae and Saxifragaceae, we will...
Updated submission requirements for autumn cauliflower
9 mei 2025
The submission requirements for autumn cauliflower have been changed. The same submission requirements now apply to...
Submission requirements have been changed for TPS potato
24 april 2025
The submission requirements have been changed for national applications of seed propagated potato varieties. The...
As of June 1, PCR tests will replace ELISA tests for various floricultural crops
23 april 2025
As of June 1, 2025, for the crops in de families Acanthaceae, Begoniaceae, Commelinaceae en Goodeniaceae, we will...
New PCR tests for PFBV, PLPV, and tombusviruses in ornamental crops
23 april 2025
We are introducing new real-time RT-PCR’s to test for the presence or absence of Pelargonium flower break virus...
As of May 1, PCR tests will replace ELISA tests for various floricultural crops
14 april 2025
As of May 1, 2025, for the crops in de families Aizoaceae, Anacardiaceae, Boraginaceae, Cannabaceae, Caprifoliaceae,...
NIVIP performs confirmation test for Ralstonia solanacearum in seeds of tomato and sweet bell pepper
9 april 2025
From 1 January 2025 Naktuinbouw Testen & Analyses is obliged to have a confirmation test for Ralstonia solanacearum...
Succesfull TWO at Naktuinbouw in the Netherlands
9 april 2025
From 31 March to 3 April the UPOV Technical Working Party Ornamentals (TWO) took place in the Netherlands. This time...
Annual Report: our highlights of 2024
28 maart 2025
Curious about what we did in 2024? The highlights of the past year are ready for you in our online annual report.
Introducing PCR tests that will replace ELISA tests for various floricultural crops
26 maart 2025
As of April 1, 2025, for the crops in de families Amaranthaceae, Araceae, Bromeliaceae, Ericaceae, Geraniaceae,...
Phasing out of ELISA tests and replacement with PCR tests for Dahlia
26 februari 2025
As of March 1, 2025, for the crop Dahlia, we are replacing our ELISA tests with PCR tests. In previous posts, we...
Changes to the Manual for sampling of planting material for virus tests
26 februari 2025
There is an updated version of the manual for sampling plant material for virus tests. In the manual you will find...
Changes in the reporting of resistances in DUS variety descriptions
25 februari 2025
Resistance characteristics that are not included in the CPVO protocols (neither in the UPOV guidelines nor in the...
New seed extract PCR tests for ArMV in Cucurbitaceae
19 februari 2025
From 1 February, we can now also test the presence or absence of Arabis mosaic virus (ArMV) on seeds of...
New seed extract PCR tests for TRSV and ToRSV in Cucurbitaceae and onion
19 februari 2025
From February 1, we can now also test the presence or absence of the Tomato ringspot virus (ToRSV) and Tobacco...
New seed extract PCR (SE-PCR) and culture method tests for crops
31 januari 2025
For the purpose of export requirements, the number of tests on different crops will be expanded. This concerns the...
Plant passport / phytosanitary certificate required for submitting tomato and pepper samples
29 januari 2025
Would you like to submit a tomato or pepper samples for DUS testing, maintenance control, trial field testing,...
Fees 2025
18 december 2024
We will increase our fees by 6.5% on January 1, 2025. This applies to variety testing, inspection activities and...
BBWV, PNRSV and SLRSV tested by PCR from 2025 onwards
17 december 2024
From 1 January 2025, we will change our virus testing methods for Broad bean wilt virus 1 and 2 (BBWV1/2), Prunus...
Clean Fruit Plants receives recognition as approved offshore facility for exporting to New Zealand
13 december 2024
The Dutch-based Clean Fruit Plants (CFP), located in Horst, has signed an agreement with the New Zealand Ministry of...
Improved dilution plating test for bacterial spot on tomato, pepper and eggplant
11 december 2024
Naktuinbouw Laboratories has improved the dilution plating test for the detection of Xanthomonas ‘bacterial spot’...
Import controls: testing of seeds of beans for detection of latent infection of Curtobacterium flaccumfaciens pv. flaccumfaciens (Cff) starting in 2025
2 december 2024
Do you import seeds for sowing of common bean (Phaseolus vulgaris) or runner bean (P. coccineus)? These seeds may be...
Statutory Naktuinbouw fees rise with inflation
28 november 2024
Naktuinbouw will increase its fees by 6.5% on 1 January 2025. The increase applies to variety testing, inspection...
Closing date and submission date for marrow (courgette) bush types brought forward by 2 weeks
25 oktober 2024
Your applications for listing and/or plant breeders’ rights in the Netherlands for marrow (courgette) bush types can...
Closing date for Alstroemeria has changed
23 oktober 2024
Your applications for Dutch plant variety rights for the crop Alstroemeria can be submitted until July 1.
We will stop providing sample bags as of 1 January 2025
2 oktober 2024
You can still request small quantities of sampling bags (Bioreba) from us until the end of this year. From January 1,...
Register mini or pot vegetables and edible ornamentals
20 september 2024
Varieties that are edible and that are traded or sold as pot vegetables or ornamental products should be registered...
Update TQ Melon
19 september 2024
A new version of the technical questionnaire (TQ) for melon (Cucumis melo) will be published on September 30, 2024.
ZE-PCR test for TBRV and BRSV on onion seed
18 september 2024
With new insights into the diversity of TBRV, we have been able to improve our test. This reduces the chances of a...
New Seed Extract PCR (SE-PCR) test for SLRSV in tomato and celery
11 september 2024
Since September 1, we can test for the presence or absence of Strawberry latent ringspot virus (SLRSV) on tomato and...
Successful Plant Variety Protection Seminar in Philippines
27 augustus 2024
The awareness raising seminar of Plant Variety Protection (PVP) on August 22, 2024, in Metro Manila, Philippines was...
Prolongation of registration for an actual Variety Register 2024
21 augustus 2024
This year prolongation of registration can be applied for varieties of vegetable and agricultural species which have...
Lower fees for genetic identification of raspberry and strawberry varieties fall 2024
7 augustus 2024
In recent years, Naktuinbouw has developed genetic identification tools for identifying raspberry and strawberry...
Naktuinbouw Executes Methodology Projects for the Dutch Board for Plant Varieties
30 juli 2024
The Dutch Board for Plant Varieties, under the supervision of the Ministry of Agriculture, Fisheries, Food Security...
New real-time PCR test for plant material for horticultural crops
12 juli 2024
We introduce a new real-time PCR to test the presence or absence of soft rot in horticultural crops. For this test is...
A new race of Bremia lactucae, Bl: 41EU, identified and denominated in Europe
4 juli 2024
Bremia lactucae, the causal agent of downy mildew in lettuce, is genetically very variable. Even within one lettuce...
Fire Blight checks commence
1 juli 2024
Naktuinbouw has started inspections in so-called buffer zones for fire blight in the Netherlands. You may encounter...
PCR tests replaces ELISA-tests
19 juni 2024
From the second half of 2024, Naktuinbouw will gradually replace the ELISA tests on plant material for PCR tests. The...
Change in invoicing 1st DUS testing year of national applications
3 juni 2024
From July 1, the fee for a 1st DUS testing year of the national application will also be based on the date when the...
New blotter test for testing cucurbit seeds
29 mei 2024
As of June 1, we introduce a new blotter method to test for the presence or absence of Alternaria cucumerina on...
New SE-PCR tests for bacteria on tomato, pepper and eggplant
29 mei 2024
Naktuinbouw Laboratories has developed two new tests for the detection of pathogens on tomato, pepper and eggplant to...
Approval of ToBRFV as an additional characteristic in DUS testing in tomato
29 mei 2024
The CPVO recently approved the application for the additional characteristic “Resistance to ToBRFV” for use in the...
Collaboration in DUS research
24 mei 2024
On May 23, Naktuinbouw signed an agreement with the Chinese Institute of Vegetables and Flowers (IVF), Chinese...
New molecular confirmation tests detection Fusarium tomato and spinach seeds
1 mei 2024
From May 1, we can test the presence or absence of Fusarium oxysporum f.sp. lycopersici in seeds of tomato and...
Naktuinbouw replaces ELISA for PCR
1 mei 2024
From the second half of 2024, Naktuinbouw will gradually replace the ELISA tests on plant material for PCR. This is...
CPVO extends DUS research accreditation for three years
26 april 2024
Naktuinbouw has again been accredited for three years for all crops for which we were already accredited by the CPVO!...
We are increasingly testing with RT-PCR
10 april 2024
In many cases, testing plant material for viruses is done at Naktuinbouw with an ELISA test. In addition to ELISA, we...
New NAL Conditions on sampling
10 april 2024
As of October 1, 2024, new NAL conditions will come into effect. These changes specifically relate to the sampling...
New Seed Extract (SE-PCR) test for onion, chives, garlic and leek
8 april 2024
Starting April 1, we can test the presence or absence of Xanthomonas axonopodis pv. allii on seeds of onion, chives,...
Annual Report: our highlights of 2023
20 maart 2024
Curious about what we did in 2023? The highlights of the past year are available for you in our online annual report.
New real-time RT-PCR tests for plant material for raspberry and blackberry
31 januari 2024
We introduce the new real-time RT-PCR for the detection of a set of viruses occurring in raspberry and blackberry.
New license for Post Entry Quarantine to import fruit varieties to the EU
30 januari 2024
For certain reasons the importation of plant material of fruit species to the EU is prohibited. EU regulators sets...
New real-time RT-PCR test for plant material Cannabaceae
29 januari 2024
As of January 1, we introduce a new real-time RT-PCR to test for the presence or absence of Hop latent viroid (HLVd)...