Table 3. Results following testing of black-grass population for susceptibility to herbicides Atlantis and Cheetah.

Population	County	Location	ALS Mutations (%)	ACCase Mutation (%)	NTSR (Enhanced Metabolism)	Lethal Dose ATLANTIS (400 g/Ha) % damage 21 DAT	Lethal Dose CHEETAH (1.25 l/Ha) % damage 21 DAT
Roth 09	Hertfordshire	Broadbalk	0	0	L	85	100
LongC 08	Oxfordshire	Chalgrove	42	8.5	M	28	15
Notts 05	Nottinghamshire	Notts	0	22.5	L	81	6
Kent1 02	Kent	Kent-Survey	0	0	H	75	13
Hor 08	Oxfordshire	Oxford	50	25	—	16	28
Suffolk 09	Suffolk	Suffolk survey	0	27.5	H	33	17
Peldon 05	Essex	Peld02 Sulfolk survey	50	0	H	25	17
Velc 08	Lincolnshire	Velcourt	32.5	31.5	—	25	10
Warren 09	Bedfordshire	Conts Atl G/Ha60	31.5	18.75	M	49	21
R30 08	Cambridgeshire	Huntingdon	45	27.5	—	25	15

Further details of these populations and the identification of the mutations in their target site proteins are as referenced⁷,¹⁷. NTSR (enhanced metabolism refers to the relative rates of herbicide detoxification reported as H = high, M = medium, L = Low, — not reported).