La. Admin. Code tit. 7 § XIII-751

Current through Register Vol. 50, No. 11, November 20, 2024

Section XIII-751 - Seed Irish Potato Certification Standards (Formerly Section 187)

A. Inspections

1. At least two field inspections shall be made.

2. An inspection shall be made of the tubers at the time of shipment.

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.

La. Admin. Code tit. 7, § XIII-751

Promulgated by the Department of Agriculture, Seed Commission, LR 8:577 (November l982), amended by the Department of Agriculture and Forestry, Office of Agricultural and Environmental Sciences, Seed Commission, LR 12:825 (December l986), LR 20:643 (June 1994), repromulgated by the Department of Agriculture and Forestry, Office of Agricultural and Environmental Sciences, Agricultural Chemistry and Seed Commission, LR 39:2725 (October 2013).

AUTHORITY NOTE: Promulgated in accordance with R.S. 3:1433.