I.
Land Requirements
Land
to be used for the production of Foundation, Registered and Certified cotton
seed must be free from volunteer cotton plants.
II.
Field Inspection
At
least one inspection shall be made after blooming starts, preferably after
some bolls are open.
III.
Field Standards
A.
General
1.
Unit of certification
The
unit of certification shall be a field, but a portion of a field may be
certified provided precautions can be taken to prevent contamination from the
portion not certified.
2.
Isolation
a.
For
upland type cotton the isolation distance shall be a natural barrier or crop
boundary, except minimum isolation shall be 100 feet if the contaminating
source differs by easily observed morphological characteristics from the field
to b e inspected.
b.
For Egyptian type cotton the isolation shall be 1320 feet from any
other type of cotton for Foundation and Registered and 660 feet for Certified
seed.
B. Specific
Requirements
Factor
|
Maximum
permitted Ratio of plants
|
||
Foundation
|
Registered
|
Certified
|
|
|
Other
varieties:Variety |
None |
1:35,000 |
1:7,000 |
IV.
Referee Sample
A
representative two-pound sample of the seed as it is to be sold shall be
submitted to the Association for laboratory analysis.
V.
Seed Standards
Factor
|
Standard
for each class
|
||
Foundation
|
Registered
|
Certified
|
|
|
Pure
seed (minimum) |
98.50% |
98.50% |
98.50% |
|
Inert matter
(maximum) |
1.50% |
1.50% |
1.50% |
|
Objectionable
weeds (maximum) 1 |
None |
None |
1
seed per
2 lb. |
|
Prohibited weeds
(maximum) 2 |
None |
None |
None |
|
Other
kinds including other
varieties (maximum) |
None |
None |
None |
|
Germination
(maximum) |
80.00% |
80.00% |
80.00% |
1Cocklebur
(Xanthium spp.), Sandbur (Cenchrus pauciflorus).
2See
Section XLI P.