Table 5: Percent control, density, and dry weight of wild mustard in white bean treated with halosulfuron tankmixes applied PPI at Exeter, ON (2011 and 2013). Means followed by the same letter within a column are not significantly different according to Fisher’s Protected LSD at a.

Herbicide treatment Rate (g ai ha−1)Control Density Dry weight
4 WAE8 WAE
% # m−2 g m−2

Weedy check 0 d 0 d12.6 c 95.1 c
Weed-free check100 a100 a 0.0 a 0.0 a
Trifluralin600 15 c 14 c12.8 c103.4 c
s-Metolachlor1050 35 b 12 c13.4 c122.2 c
Halosulfuron35100 a100 a 0.1 ab 0.1 a
Imazethapyr45 97 a 96 b 1.4 b 0.7 ab
Trifluralin + halosulfuron600 + 35100 a100 a 0.3 ab 0.3 ab
Trifluralin + imazethapyr600 + 45 99 a 97 b 1.6 b 2.2 b
Trifluralin + halosulfuron + imazethapyr600 + 35 + 45100 a100 a 0.0 a 0.0 a
s-Metolachlor + halosulfuron1050 + 35100 a100 a 0.0 a 0.0 a
s-Metolachlor + imazethapyr1050 + 45 98 a 98 b 1.0 ab 0.3 ab
s-Metolachlor + halosulfuron + imazethapyr1050 + 35 + 45100 a100 a 0.0 a 0.0 a

Abbreviations: WAE, weeks after crop emergence; PPI, preplant incorporated.