Weed Control in White Bean with Various Halosulfuron Tankmixes
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 WAE
8 WAE
%
# m−2
g m−2
Weedy check
0 d
0 d
12.6 c
95.1 c
Weed-free check
100 a
100 a
0.0 a
0.0 a
Trifluralin
600
15 c
14 c
12.8 c
103.4 c
s-Metolachlor
1050
35 b
12 c
13.4 c
122.2 c
Halosulfuron
35
100 a
100 a
0.1 ab
0.1 a
Imazethapyr
45
97 a
96 b
1.4 b
0.7 ab
Trifluralin + halosulfuron
600 + 35
100 a
100 a
0.3 ab
0.3 ab
Trifluralin + imazethapyr
600 + 45
99 a
97 b
1.6 b
2.2 b
Trifluralin + halosulfuron + imazethapyr
600 + 35 + 45
100 a
100 a
0.0 a
0.0 a
s-Metolachlor + halosulfuron
1050 + 35
100 a
100 a
0.0 a
0.0 a
s-Metolachlor + imazethapyr
1050 + 45
98 a
98 b
1.0 ab
0.3 ab
s-Metolachlor + halosulfuron + imazethapyr
1050 + 35 + 45
100 a
100 a
0.0 a
0.0 a
Abbreviations: WAE, weeks after crop emergence; PPI, preplant incorporated.