WAC 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***
CLASS LAND

STANDARDS

MINIMUM

YEARS
ISOLATION

STANDARDS

MINIMUM

FEET
OFF-TYPE

MAXIMUM

RATIO
OTHER CROP

MAXIMUM NO

STANDARD
Foundation 1* 1,000** None found --
Registered 1* 1,000** 1 head/50,000 --
Certified 1* 1,000** 1 head/20,000 --

* Waived if the previous crop was grown from an equal or higher certified class of seed of the same variety.
** Refers to fields of other varieties or same variety which does not meet tolerance of off-types.
*** 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 97.00 3.00** None found 0.10 80.00
Registered None found 97.00 3.00** 0.03 0.10 80.00
Certified 0.01* 97.00 3.00** 0.07*** 0.10 80.00

* Or two seed per pound.
** Where two percent or more is cracked.
*** Or ten seeds per pound.




[Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-680, filed 12/4/00, effective 1/4/01.]