Common chickweed control (%)

Herbicide treatment

Rate

(g∙ai∙ha⁻¹)

2 WAT

4 WAT

Common chickweed density (plants∙m⁻²)

Common chickweed dry biomass (g∙m⁻¹)

Non-treated weedy control

0 g

0 e

9.5 b

74.2 c

Thifensulfuron-ethyl/tribenuron-methyl¹

15

81 a

98 ab

0.4 a

1.1 a

Thifensulfuron-ethyl/tribenuron-methyl + MCPA ester^a

15 + 280

75 ab

99 ab

0.3 a

0.7 a

Thifensulfuron-ethyl/tribenuron-methyl + fluroxypyr + MCPA ester^a

15 + 70 + 280

75 ab

99 ab

0.4 a

0.5 a

Fluroxypyr/bromoxynil/MCPA

600

26 de

12 cd

5.5 b

22.1 c

Pyrasulfotole/bromoxynil²

205

15 ef

7 cd

6.1 b

18.0 abc

Pyrasulfotole/bromoxynil/fluroxypyr

277

25 de

11 cd

7.1 b

19.2 bc

Pyrasulfotole/bromoxynil/thiencarbazone-methyl^b

211

33 cd

11 cd

7.0 b

22.2 c

Pyrasulfotole/bromoxynil/thiencarbazone-methyl + MCPA ester^b

211 + 280

42 cd

21 c

9.0 b

18.0 bc

Tribenuron-methyl + thiencarbazone-methyl^b

7.5 + 5

87 a

99 ab

0.3 a

0.8 a

Tribenuron-methyl + thiencarbazone-methyl + MCPA ester^b

7.5 + 5 + 280

85 a

100 a

0.2 a

0.6 a

Tolpyralate³

40

5 f

1 de

7.0 b

42.2 c

Fluroxypyr/halauxifen + MCPA EHE

82 + 372

28 de

23 c

8.1 b

22.3 c

Fluroxypyr/halauxifen + pyroxsulam + MCPA EHE³

82 + 15 + 372

57 bc

82 b

0.7 a

1.7 ab