Mich. Admin. Code R. 285.623.205

Current through Vol. 24-19, November 1, 2024

Section R. 285.623.205 - Small grains and buckwheat; field and seed standards

Rule 205.

(1) Field standards for small grain seed and buckwheat are as shown in table 205.1:

TABLE 205.1

Field Standards for Small Grain Seed and Buckwheat

Factor	Foundation	Maximum Each Class Certified
Other varieties or off-types	.02%	.05%
Inseparable other crops	1 per acre	5 per acre
Bunt	none	none
Other smuts	.5%	2.0%

(a) Rye, spelt, vetch, and winter barley are not permitted in wheat.

(b) Seed from fields that have more than 0.5% other smuts must be treated with a fungicide that is approved by the director.

(2) Rye must be 660 feet from fields that could be a source of contamination.

(3) Seed standards for small grain seed and buckwheat are as shown in table 205.2:

TABLE 205.2

Seed Standards for Small Grain Seed and Buckwheat

Factor	Foundation	Class of Seed Certified
Pure seed (minimum)	99.0%	99.0%
Inert matter (maximum)	1.0%	1.0%
Weeds (maximum)	2 per pound	2 per pound
Corn cockle, chess, and noxious weeds (maximum)	none	None
Other crops - no rye or vetch allowed (maximum)	1 per 2 pounds	2 per pound
Winter crops in spring crops	5 per 2 pounds	10 per pound
Spring crops in winter crops	5 per 2 pounds	10 per pound
Other varieties or off-type same crop (maximum)	.02%	.05%
Germination (minimum) wheat, oats, barley, or triticale		90.0%
Germination (minimum) rye, spelt, or buckwheat		80.0%

(a) Minimum pure seed percentage of rye or spelt is 98.0%; with inert matter at a maximum of 2.0%

(b) This does not apply in such cases where climatic conditions do not take care of the situation.

Mich. Admin. Code R. 285.623.205

1994 AACS; 2023 MR 6, Eff. 3/28/2023