New York Codes, Rules and Regulations
Title 1 - DEPARTMENT OF AGRICULTURE AND MARKETS
Chapter III - Plant Industry
Subchapter A - Inspection and Sale of Seeds (Article 9, Agriculture and Markets Law)
Part 98 - Birdsfoot Trefoil Seed Certification Standards
Section 98.5 - Seed standards
| Class of seed | |||
| Factor | Foundation | Registered | Certified |
| Pure seed (minimum) ....... | 99.50% | 99.25% | 98.25% |
| Weed seeds (maximum) ....... | 0.10% | 0.20% | 0.25% |
| Objectionable weeds (maximum) 1 ....... | 4 per lb. | 9 per lb. | 27 per lb. |
| Inert matter (maximum) ....... | 0.25% | 0.25% | 0.50% |
| Other crop seeds (maximum) ....... | 0.10% | 0.10% | 1.00% |
| Sweet clover (maximum) ....... | 4 per lb. | 4 per lb. | 90 per lb. |
| Germination (minimum) ....... | 45% | 45% | 45% |
| Total of germination and hard seeds (minimum) ....... | 85% | 85% | 85% |
| or | |||
| Germination (minimum) ....... | 55% | 55% | 55% |
| Total of germination and hard seeds (minimum) ....... | 80% | 80% | 80% |
Footnotes
1 Objectionable weeds are: Bracted plantain (Plantago aristata), buckhorn plantain (Plantago lanceolata), docks: curly (Rumex crispus), bitter (R. obtusifolius), green (R. conglomeratus), smooth (R. altissimus), sour (R. acetosa), sorrel (Rumex acetosella), giant foxtail (Setaria faberii), and wild carrot (Daucus carota). Birdsfoot trefoil seed shall be free of the following weed seeds: Bindweed (Convolvulus arvensis), Canada thistle (Cirsium arvense), dogbane (Apocynum cannabium), horsenettle (Solanium carolinense), leafy spurge (Euphorbia esula), pennycress (Thlaspi arvense), Russian knapweed (Centaurea repens), white top (Lepirium draba)-(Hymenophysa pubescens), bedstraw (Galium spp.), dodder (Guscuta spp.), perennial sow thistle (Sonchus arvensis), quackgrass (Agropyron repens), corn cockle (Agrostemma githago) and wild onion (Allium spp.).
