Table 6: Percent control, density, and dry weight of green foxtail in white bean treated with halosulfuron tankmixes applied PPI at Exeter, ON (2011–2013). 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)ControlDensity Dry weight
4 WAE8 WAE
%# m−2 g m−2

Weedy check 0 g 0 f36.7 c38.2 d
Weed-free check100 a100 a 0.0 a 0.0 a
Trifluralin600 97 bc 96 bc 1.7 a 1.0 abc
s-Metolachlor1050 95 cd 97 b 2.6 a 1.5 abc
Halosulfuron35 53 f 56 e52.5 c28.2 d
Imazethapyr45 82 e 80 d11.0 b 4.5 c
Trifluralin + halosulfuron600 + 35 93 d 93 c 2.4 a 2.9 bc
Trifluralin + imazethapyr600 + 45 96 bcd 94 bc 1.7 a 0.8 abc
Trifluralin + halosulfuron + imazethapyr600 + 35 + 45 99 b 97 b 0.6 a 0.2 ab
s-Metolachlor + halosulfuron1050 + 35 95 cd 93 c 1.5 a 0.6 abc
s-Metolachlor + imazethapyr1050 + 45 97 bc 94 bc 1.1 a 0.8 abc
s-Metolachlor + halosulfuron + imazethapyr1050 + 35 + 45 98 b 96 bc 1.2 a 0.8 abc

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