Seed Certification Manual - Rural Solutions SA - SA.Gov.au

South Australian Seed Certification Scheme
9.4 LINSEED & LINOLA (Linum usitatissimum)
Sowing Seed
Basic seed (see Classes).
Paddock History
Land must not have grown or been sown to linseed,
linola or flax in the previous five (5) years.
Successive crops of the same cultivar and certification
class may be grown on the same field without any time
interval provided satisfactory varietal purity is
maintained.
Isolation
Production areas must be separated from other
cultivars of linseed, linola or flax by at least a five (5)
metre strip (free of linseed plants) or a physical barrier
such as a fence to prevent any mixture of seed during
harvest.
Inspections
Pre-harvest inspection
Classes
C1: from crops sown with Basic seed
C2: from crops sown with C1 seed
Crop Standards
Cultivar and Species purity:
Maximum allowed in:
Contaminant Basic Certified
Other off-types or cultivars of linseed 1:1000 3:1000
Plants of other species, the seeds of which are difficult
to distinguish in a laboratory test or which will readily
cross-pollinate with the crop being grown for seed 1 per 30 m² 1 per 10 m²
Seed Quality Standards
Minimum pure seed (% by mass) 98%
Minimum germination (% by count) 85%
Maximum other seeds (number per kg)
20 (including nominated seeds)
Nominated seeds: maximum levels for acceptance
other cereals (no./kg) 2
other pulse species (no./kg) 1
wild oats (no./kg) 3
ryegrass & phalaris (total no./kg) 5
vetch - all species (no./kg)
nil
Procedures and Standards for Seed Certification
May 2002