PDFWAC 16-302-680

Open pollinated sorghum standards for seed certification.

(1) Land, isolation and field standards for open pollinated sorghum seed certification are:
 
 
 
field standards (c)
class
land
standards
minimum
years
isolation
standards
minimum
feet
off-type
maximum
ratio
other crop
maximum no
standard
Foundation
1 (a)
1,000 (b)
None found
Registered
1 (a)
1,000 (b)
1 head/50,000
Certified
1 (a)
1,000 (b)
1 head/20,000
(a)
Waived if the previous crop was grown from an equal or higher certified class of seed of the same variety.
(b)
Refers to fields of other varieties or same variety which does not meet tolerance of off-types.
(c)
Other tolerances for field standards:
 
johnsongrass
maximum
head smut
maximum
kernel
smut
maximum
Foundation
None found
None found
None found
Registered
None found
None found
None found
Certified
None found
1 head/10,000
1 head/2,500
(2) Seed standards for open pollinated sorghum seed certification are:
class
off-type
maximum %
pure seed
minimum %
inert
maximum %
other crop
maximum %
weed
maximum %
germination
minimum %
Foundation
None found
97
3 (b)
None found
0.10
80
Registered
None found
97
3 (b)
0.03
0.10
80
Certified
0.01 (a)
97
3 (b)
0.07 (c)
0.10
80
(a)
Or two seeds per pound.
(b)
Where two percent or more is cracked.
(c)
Or ten seeds per pound.
[Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3), and chapter 34.05 RCW. WSR 14-20-050, § 16-302-680, filed 9/25/14, effective 10/26/14. Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. WSR 00-24-077, § 16-302-680, filed 12/4/00, effective 1/4/01.]