Inspection and sampling training (including hygiene in all its aspects), of propagation material in the horticultural

Prevention is good, checking and measuring (in sampling and testing) is better, knowledge and understanding is best!

For decades, Naktuinbouw is organizing workshops and trainings for propagation material in Vegetable and Ornamental Crops (plants, cuttings, fruits, soil, etc.). These courses are not limited to the Dutch market. Companies and propagators all over the world can achieve the knowledge and benefits of technical expertise in the following specific areas.

Naktuinbouw is offering a unique (maximum) 5-day workshop/training. These courses do help plant and seed propagators, to set up and assure a proper bussiness model. The solid principles established in the e.g., NAL, NAFI, ELITE and GSPP standards have been used as starting point (but is not limited to this). All the aspects in this training are linked to the establishment of quality assurance systems (like ISO or HACCP).

Starting date: June, 10 2024


Company hygiene for vegatable and ornamental crops: 
Register - Company Hygiene

Professional Plant Sampling: 
Register - Plant Sampling

Field inspection: 
Register - Field inspection


Target group

This training course has been specifically developed for staff members who do manage, supervise, instruct and/or monitor non-managerial staff (daily staff) such as production leads, foremen, cultivation, and coordinators in vegetable and/or ornamental nurseries and seed companies. 

Starting/finishing date: June 10 till 14 - 202
Duration: maximum 5 days. Participants in the meeting can opt to attend the subjects below.
Location: Naktuinbouw, Roelofarendsveen, The Netherlands.


A mixture of theoretical introductions and practical cases, exercises, assignments and discussions. The course will be given in English on bachelor science level.


  • Inspection and monitoring systems of propagation material
  • Plant, fruit, soil sampling techniques
  • Merged in Quality management systems (procedures, work instructions, etc.)
  • Life and spread of pests and diseases (bacteria, fungi, viruses, viroids, insects, nematodes)
  • Detection and determination methods (e.g., detection kits as well as insight in the testing facilities)
  • Merged with hygiene in all its aspects.
  • And prevention measures and systems (e.g., hygienic locks, disinfection, cleaning)
  • Conducting risk assessments, including establishing control measures

During the course, participants will gain insight into and obtain background information of the nature of pathogens and their relation to host plants and environment. They will learn how to recognize symptoms and which control measures need to be implemented, if any suspected plants are detected in the greenhouses and/or production. The basic principles of company hygiene will also be explained, whereby good site management and risk assessments are part of the curriculum. Participants will be taught how to critically assess situations in daily practice. These skills can then be used to implement in daily practise or to motivate their colleagues to work according to the hygiene protocol.


2024 Training fee:

  1. Field Inspection (2 days, expected costs approximately: €1.465,- per participant)
  2. Company hygiene for vegetable and ornamental crops (3 days, expected costs approximately: €2.250,- per participant)
  3. Professional Plant Sampling (2 days, expected costs approximately: €1.250,- per participant)

The fee includes course related costs such as materials, catering and administration, but excludes board and lodging and VAT.

Team Training courses: (071) 332 62 70 /