Germination Scanalyzer

Automated storage and imaging

The GERMINATION SCANALYZER stores and periodically images seeds to check their germination status and analytical germination data is automatically generated. The system is modular to match user requirements for throughput and capacity and, if required, can be installed in a climate controlled environment.

Seed quality describes the potential performance of a seed lot. Important aspects of seed quality include percentage of germinated seeds, speed of germination, homogeneous germination, vigour, presence or absence of disease, together with the presence of inert matter and seeds from other crops or weeds.

Analysis of seed characteristics can be onerous for seed companies and laboratories. The GERMINATION SCANALYZER saves time and reduces cost while at the same time increasing precision and accuracy of results.

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Seeds

The GERMINATION SCANALYZER can analyze coated and uncoated seeds of different plant species differing in size, colour and shape. Classification and quantification of seed characteristics based on predefined criteria (number, size, colour, and shape) include:

  • Seed morphological parameters (size, roundness)

  • Seed colour and colour distribution

Detection of seed germination

The central purpose of the GERMINATION SCANALYZER is detecting and quantifiying the seed germination. Every seed with a detected root segment (within the observation radius) is marked as germinated. To optimize root detection, a number of rules are applied, for example, proximity aspect, region of interest and germination cues.

The length of the root is measured on the basis of the medial axis of the detected root shape. Results can be reported in different formats, according to user requirements, and statistically analyzed.

The following parameters are measured in the germination assay:

  • Percentage of seed germination
  • Germination time (in time series analysis)
  • Seedling morphological parameters (root length, hypocotyl length; depending on visibility)
  • Seedling colour and colour distribution

Example for large scale automated system

  • Capacity 840 trays (each tray 253 mm x 364 mm)

  • All 840 trays can be imaged once every 6 hours

  • 1 x 28 MP RGB camera, 2 x LED light panels

  • Each tray can be weighed to assess water content

  • Trays can be loaded from trollies (68 trays per trolley)

  • Height 3145 mm, Length 6432 mm, Depth 2910 mm

  • Fully automated storage, handling and imaging