Kan. Admin. Regs. § 4-2-9a - Restricted weed seeds

(a) The seeds of the following plant species shall not be present in agricultural seed at a rate per pound in excess of the number shown in the below chart:

Common Name	Scientific Name	Seeds per Pound
silverleaf nightshade	Solanum elaeagnifolium Cav.	45
Carolina horsenettle	Solanum carolinense L.	45
dock	Rumex spp.	45
oxeye daisy	Leucanthemum vulgare Lam.	45
perennial sowthistle	Sonchus arvensis L.	45
giant foxtail	Setaria faberi R.A.W. Herrm.	45
hairy chess	Bromus commutatus L.	45
cheat	Bromus secalinus L.	45
buckhorn plantain	Plantago lanceolata L.	45
wild onion or garlic	Allium spp.	18
charlock	Sinapsis arvensis L.	18
wild mustards	Brassica spp.	18
treacle	Erysimum spp.	18
wild carrot	Daucus carota L.	18
morning glory	Ipomoea spp.	18
hedge bindweed	Calystegia sepium (L.) R. Br.	18
dodder*	Cuscuta spp.	18
field pennycress	Thlaspi arvense L.	18
wild oats	Avena fatua L.	9
climbing milkweed	Cynanchum laeve (Michx.) Pers.	9
jointed goatgrass	Aegilops cylindrica Host	9
black nightshade complex	Solanum ptychanthum Dunal	9
	S. Americanum Mill.	9
	S. sarrachoides Sendtn.	9
	S. nigrum L.	9
	S. interius Rydb.	9
wild buckwheat	Fallopia convolvulus L.	9
velvetleaf	Abutilon theophrasti Medik.	9
cocklebur	Xanthium spp.	9
Caucasian bluestem	Bothriochloa bladhii	2
yellow bluestem	Bothriochloa ischaemum	2
*except lespedeza seed other than sericea lespedeza (Lespedeza cuneata) which may contain 45 dodder seeds per pound

(b) The total number of restricted weed seeds present per pound of agricultural seed shall not exceed 150 in the following agricultural seeds:

(1) native grass;

(2) smooth bromegrass;

(3) tall fescue;

(4) wheatgrasses; and

(5) lespedeza other than sericea lespedeza (Lespedeza cuneata).

(c) The total number of hairy chess and cheat seeds present per pound of agricultural seed shall not exceed 2,500 in the following agricultural seeds:

(1) smooth bromegrass;

(2) fescues;

(3) orchard grass;

(4) wheatgrasses; and

(5) chaffy range grasses.

(d) For all other agricultural seeds, the total number of restricted weed seeds present per pound of agricultural seed shall not exceed 90.

Notes

Kan. Admin. Regs. § 4-2-9a

Authorized by K.S.A. 2-1427; implementing K.S.A. 2-1421; amended by Kansas Register Volume 42, No. 47; effective 12/8/2023.