N.D. Admin Code 74-03-07-03 - Field standards

1. A portion of the field may be accepted for certification if the boundary is well defined.

2. Fields should be rogued before blooming and before inspection is made to remove other species, off-type plants, and weeds, the seeds of which are difficult to separate in cleaning.

3. A seed field to be eligible for the production of foundation, registered, or certified seed must be isolated from any other strain or strains of the same species in bloom at the same time in accordance with the requirements given in the following table:

Minimum Isolation Distance Required (Feet)
	Type	Foundation	Registered	Certified
All cross-pollinated species	C	1,320	660	330
Entirely apomictic strains	A	165	165	82.5
Highly self-fertile species	S	165	165	82.5

4. Specific requirements. The maximum field tolerance for other varieties and off-type plants of the same species, when recognized, shall be as follows:

Foundation	0.1 percent
Registered	0.5 percent
Certified	1.0 percent

Notes

N.D. Admin Code 74-03-07-03

Amended effective May 1, 1986; May 1, 1988; July 1, 2010.

General Authority: NDCC 4.1-53-11

Law Implemented: NDCC 4.1-53-11, 4.1-53-42