Louisiana Administrative Code
Title 7 - AGRICULTURE AND ANIMALS
Part XIII - Seeds
Chapter 7 - Certification of Specific Crops/Varieties
Subchapter B - Grain and Row Crop Seeds
Section XIII-751 - Seed Irish Potato Certification Standards (Formerly Section 187)
Current through Register Vol. 50, No. 9, September 20, 2024
A. Inspections
B. Field Standards
|
Factor |
Foundation |
Registered |
Certified |
|
Land Requirement |
1 yr. |
1 yr. |
1 yr. |
|
Isolation |
10 ft. |
10 ft. |
10 ft. |
|
Other Varieties and Off-type Plants |
None |
None |
0.10% |
|
Diseases* |
0.20% |
0.20% |
0.20% |
|
Mild Mosaic |
0.50% |
0.50% |
5.00% |
|
Sclerotium Rolfsii Wilt |
0.50% |
0.50% |
1.00% |
|
Potato Wart, Ring Rot, Late Blight |
1.00% |
1.00% |
1.00% |
|
Total Diseases |
0.30% |
0.30% |
0.30% |
|
Harmful Insects: Tuber Moth |
None |
None |
None |
|
* Rugose mosaic, leafroll, spindle tuber, yellow dwarf, witches' broom, haywire, giant hill, rosette, spinach leaf, curly dwarf. |
|||
C. Tuber Standards
|
Factor |
Foundation |
Registered |
Certified |
|
Stem End Discoloration |
2.50% |
2.50% |
5.00% |
|
Hair Sprout |
0.50% |
0.50% |
5.00 % |
|
Spindle Tuber |
0.20% |
0.20% |
1.00% |
|
Scab and Rhizoctonia* |
6.00% |
6.00% |
6.00% |
|
Net Necrosis |
0.50% |
0.50% |
5.00% |
|
Late Blight, Golden and Potato Rot, Potato Wart and Ring Rot |
1.00% |
1.00% |
1.00% |
|
Tuber Moth |
None |
None |
None |
|
Sclerotium Rolfsii Wilt |
0.50% |
0.50% |
1.00% |
|
Nematodes (Root-Knot)** |
1.00% |
1.00% |
1.00% |
|
* 6 percent of tubers by weight have more than 5 percent of the surface covered by scab or rhizoctonia. ** 1 percent of tubers by weight showing nematode (root-knot) infection. |
|||
AUTHORITY NOTE: Promulgated in accordance with R.S. 3:1433.
