Sudangrass Certification Standards
Certification standards for sudangrass seed production.
Program Information
| Item | Information |
|---|---|
| Certified Crop | Sudangrass |
| Certification Classes | Foundation, Registered, Certified |
| Application Deadline | 45 days after planting |
| Required Inspections | One official inspection |
| Unit of Certification | Individual field |
Seed Eligibility
- Only seed approved by ACIA as eligible for certification may be used to establish certified seed fields.
Land Requirements
- Fields must meet ACIA previous cropping restrictions for sudangrass, sorghum, and related crops.
Field Inspection
- One official inspection is conducted during the bloom stage when varietal purity and field condition can be accurately evaluated.
Isolation Requirements
| Crop / Class | Isolation Requirement |
|---|---|
| Sudangrass Foundation and Registered from other sudangrass / same variety not meeting standards / Johnsongrass | 990 feet |
| Sudangrass Certified from other sudangrass / same variety not meeting standards / Johnsongrass | 660 feet |
| All certified classes of sudangrass from sorghum | 990 feet |
Field Standards
| Field Factor | Foundation | Registered | Certified |
|---|---|---|---|
| Other varieties/off-types definite | 1:50,000 | 1:35,000 | 1:20,000 |
| Other varieties/off-types doubtful | 1:20,000 | 1:10,000 | 1:1,000 |
| Head smut | One head in 10,000 | One head in 10,000 | One head in 10,000 |
| Kernel smut | One head in 2,500 | One head in 2,500 | One head in 2,500 |
Seed Standards
| Seed Factor | Foundation | Registered | Certified |
|---|---|---|---|
| Pure seed minimum | 98.00% | 98.00% | 98.00% |
| Inert matter maximum | 2.00% | 2.00% | 2.00% |
| Noxious weed seeds | None | None | None |
| Other weed seeds maximum | 0.01% | 0.05% | 0.05% |
| Other varieties/off-types maximum | 0.01% | 0.01% | 0.01% |
| Other crop kinds maximum | 0.01% | 0.03% | 0.05% |
| Germination minimum | 80% | 80% | 80% |
Required Forms
Use the crop application first. Submit tag orders, blending reports, or supporting forms only when they apply.