Table 5 Acetolactate synthase (ALS) inhibiting herbicides and their use rates in a greenhouse bioassay to determine response of putative ALS inhibitors resistant and a known susceptible shattercane biotypes from Nebraska

Chlorsulfuron

39.4

g ai/ha

Sulfonylurea

NIS

0.5

% v/v

AMS

3360

g/ha

Foramsulfuron

43

g ai/ha

Sulfonylurea

MSO

1.75

l/ha

AMS

3360

g/ha

Nicosulfuron

35.2

g ai/ha

Sulfonylurea

COC

1

% v/v

AMS

2240

g/ha

Primisulfuron

40

g ai/ha

Sulfonylurea

MSO

2.34

l/ha

AMS

4500

g/ha

Rimsulfuron

26.3

g ai/ha

Sulfonylurea

MSO

0.5

%v/v

AMS

2240

g/ha

Imazamox

52.5

g ai/ha

Imidazolinone

MSO

1

%v/v

AMS

2240

g/ha

Imazaquin

137

g ai/ha

Imidazolinone

COC

1.25

%v/v

AMS

2240

g/ha

Imazethapyr

70

g ai/ha

Imidazolinone

MSO

1

%v/v

AMS

2240

g/ha

Penoxsulam

49

g ai/ha

Triazolopyrimidine

COC

2.5

%v/v

Bispyribac

37.5

g ai/ha

Pyrimidinyloxybenzoic acid

MSO

0.5

%v/v

AMS

2240

g/ha

Propoxycarbazone-sodium

44

g ai/ha

Triazolone

NIS

0.5

%v/v

AMS

3360

g/ha

Thiencarbazone-methyl

Xx

g ai/ha

Triazolone

MSO

1.25

%v/v

AMS

4500

g/ha