global seed breeder and pre-basic bean seed project


Global seeds company is multiplying bean seeds. These are breeder's and basic seeds of Kholombethe bean variety. These will be grown under irrigation at Bwanje irrigation scheme. Here we would like to see the performance of these two seeds category

Data will be collected starting from third week after planting and then every fortnight.


The One v3.0 (Phi2, NPQt, using Multi-Phase Flash)

The One Protocol to rule them all! Phi2, NPQt combined.

Changes from previous The One protocol: - Removed the Phi1 measurement, which was producing a lot of invalid data (removed by Dan and Frank) - Implemented the multi-phase flash protocol created by Tom Avenson

Chlorophyll content (SPAD) III

REQUIREMENTS: Firmware v0.41 or higher. Measures transmission at 940nm and 650nm in order to determine the 'greenness' of a leaf, an indicator of chlorophyll content and nitrogen content. The 940 is used to account for leaf thickness. Improvements over Chlorophyll content (SPAD): - performs 3 different spads at 3 intensities for thin and thick ...


  1. Block (Multiple Choice)
  2. Row (Multiple Choice)
  3. Seed type (Multiple Choice)
  4. Weeks after planting (Short Answer)
  5. Leaf position (Multiple Choice)
  6. Drainage (Multiple Choice)



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