Wash. Admin. Code § 16-302-675

Current through Register Vol. 24-23, December 1, 2024
Section 16-302-675 - Hybrid sorghum standards for seed certification
(1) Land, isolation, and field standards for hybrid sorghum seed certification are:

Field Standards

Land Standards Minimum Years

(b)

Isolation

Standards

Minimum

Feet

Pollen Shedding By Seed Parent Maximum At Any One Inspection

Other Varieties And/Or Off-Type (a)

Definite

Doubtful

Class

(**)

Foundation

1

990

1:3,000

1:50,000

1:20,000

Certified

1

660

1:1,500

1:20,000

1:1,000

(2) Seed standards for hybrid sorghum seed certification are:

Off-Type Max. Seeds/lb.

Pure Seed Min. %

Inert Max. %

Other Crop Max. Seeds/lb.

Weed Max. %

Germination Min. %

Class

Foundation

2

98.00

2.00

2

0.10

85

Certified

10

98.00

2.00

10

0.10

85

(**)

Pollinator Lines: B = Maintainer, R = Restorer

(a) If off-type plants are found at the time of inspection, all seed heads within a radius of five feet of these plants must be removed from the field before the field is approved.
(b) Hybrid sorghum is not eligible for certification if planted on land that grew sorghum the previous year unless:
(i) The preceding sorghum crop is the same variety and is inspected and approved for the same or higher certification classification; or
(ii) The preceding sorghum crop is a variety which differs substantially in plant growth characteristics from the variety planted. However, grain type sorghum or sweet sorghum is not eligible for certification if planted on land that grew grass type sorghum the previous year.

Wash. Admin. Code § 16-302-675

Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-675, filed 12/4/00, effective 1/4/01.