BUFFEL GRASS (Cenchrus ciliaris) Linn.
AND
BIRDWOOD GRASS (Cenchrus setigerus) Vahl.
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 the seeds of buffel grass and birdwood grass.
II. Land requirements
A. Foundation seed
A Seed crop of buffel grass or birdwood grass shall not be eligible for certification if planted on land on which the same kind of crop was grown within the previous five crop seasons.
B. Certified seed
Land to be used for seed production of buffel grass and birdwood grass 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
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 of the same spp. 20 10
Fields of the same variety not conforming to
varietal purity requirements for certification 20 10
Fields of another Cenchrus spp. known to cross or
suspected of being able to cross 200 100
B. Specific requirements
Factor Maximum permitted (%)*
Foundation Certified
Offtypes 0.10 1.0
* Maximum permitted at and after flowering.
V. Seed standards
Factor Standards for each class
Foundation Certified
Pure seed (minimum) 80.0% 80.0%
Inert matter (maximum) 20.0% 20.0%
Other crop seeds (maximum) 20/ kg 40 / kg
Weed seeds (maximum) 20/ kg 40 / kg
Germination (minimum) 30% 30%
Moisture (maximum) 10.0% 10.0%
For vapour-proof containers (maximum) 8.0% 8.0%