Sec. 100.5. Seed standards

TIMOTHY
Class of seed
Factor	Foundation & Registered	Certified	Foundation & Registered	Certified
Pure seed (minimum)	99.20%	99.00%	85.00%	85.00%
Weed seed maximum	0.10%	0.10%	0.25%	0.50%
Objectionable weeds (maximum)	none	9 per lb.	none	9 per lb.
Inert matter (maximum)	0.50%	0.50%	15.00%	15.00%
Other crops seeds (maximum)	0.20%	0.50%	0.20%	0.50%
Germination (minimum)	85%	85%	80%	80%

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). Bromegrass seed shall be free of the following weed seeds: Bindweed (Convolvulus arvensis), Canada thistle (Cirsium arvense), dogbane (Apocynum cannabinum), horsenettle (Solanum carolinense), leafy spurge (Euphorbia esula), pennycress (Thlaspi arvense), Russian knapweed (Centaurea repens), white top (Lepidium draba)— (Hymenophysa pubescens), bedstraw (Galium spp.), dodder (Cuscuta spp.), perennial sow thistle (Sonchus arvensis), quackgrass (Agropyron repens), corn cockle (Agrostemma githago) and wild onion (Allium spp.). Climax and Essex timothy shall be free of the weeds listed in the paragraph above except that in the case of pennycress (Thlaspi arvense), Canada thistle (Cirsium arvense), and perennial sow thistle (Sonchus arvensis), the lot shall be eligible for certification as the certified class of seed providing that a representative one half pound sample, (ref. § 96.11), contains not more than a total of two seeds of any one or combination of these three weeds.

Notation

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). Bromegrass seed shall be free of the following weed seeds: Bindweed (Convolvulus arvensis), Canada thistle (Cirsium arvense), dogbane (Apocynum cannabinum), horsenettle (Solanum carolinense), leafy spurge (Euphorbia esula), pennycress (Thlaspi arvense), Russian knapweed (Centaurea repens), white top (Lepidium draba)— (Hymenophysa pubescens), bedstraw (Galium spp.), dodder (Cuscuta spp.), perennial sow thistle (Sonchus arvensis), quackgrass (Agropyron repens), corn cockle (Agrostemma githago) and wild onion (Allium spp.). Climax and Essex timothy shall be free of the weeds listed in the paragraph above except that in the case of pennycress (Thlaspi arvense), Canada thistle (Cirsium arvense), and perennial sow thistle (Sonchus arvensis), the lot shall be eligible for certification as the certified class of seed providing that a representative one half pound sample, (ref. § 96.11), contains not more than a total of two seeds of any one or combination of these three weeds.