NIGER (Guizotia abyssinica Cass.)
I. Application and Amplification of General Seed Certification Standards
The General Seed Certification Standards are basic and together with the following specific standards constitute the standards for certification of niger seed.
II. Land requirements
Land to be used for seed production of niger seed shall be free of volunteer plants.
III. Field Inspection
A minimum of three inspections shall be made, the first before flowering, the second during flowering and the third at maturity and prior to harvesting.
IV. Field Standards
A. General requirements
1. Isolation
Groundnut seed fields shall be isolated from the contaminants shown in the column 1 of the Table below by the distances specified in columns 2 and 3 of the said Table:
Contaminants Minimum distance (meters)
Foundation Certified
1 2 3
Fields of other varieties 400 200
Fields of the same variety not conforming to the
varietal purity requirements for certification 400 200
B. Specific requirements
Factor Maximum permitted (%)*
Foundation Certified
Offtypes 0.05 0.10
*Maximum permitted at any inspection at and after flowering.
V. Seed standards
Factor Standards for each class
Foundation Certified
Pure seed (minimum) 98.0% 98.0%
Inert matter (maximum) 2.0% 2.0%
Other crop seeds (maximum) 10/kg 20/kg
Other distinguishable varieties (maximum) 10/kg 20/kg
Weed seeds (maximum) 10/kg 20/kg
Germination (minimum) 80% 80%
Moisture (maximum) 9.0% 9.0%
For vapour-proof containers (maximum) 5.0% 5.0%