Weed Control in White Bean with Various Halosulfuron Tankmixes
Table 4
Percent control, density, and dry weight of common lambsquarters in white bean treated with halosulfuron tankmixes applied PPI at Exeter (2011–2013) and Harrow, ON (2012). 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
6.8 c
9.3 b
Weed-free check
100 a
100 a
0.0 a
0.0 a
Trifluralin
600
94 bc
96 b
0.5 ab
1.4 a
s-Metolachlor
1050
82 c
63 c
3.9 c
12.7 b
Halosulfuron
35
96 ab
100 a
0.5 ab
1.4 a
Imazethapyr
45
96 ab
100 a
1.3 b
2.2 a
Trifluralin + halosulfuron
600 + 35
97 ab
100 a
0.4 ab
1.7 a
Trifluralin + imazethapyr
600 + 45
96 ab
100 a
0.4 ab
1.1 a
Trifluralin + halosulfuron + imazethapyr
600 + 35 + 45
99 ab
100 a
0.2 a
0.5 a
s-Metolachlor + halosulfuron
1050 + 35
99 ab
100 a
0.2 a
1.6 a
s-Metolachlor + imazethapyr
1050 + 45
98 ab
100 a
0.3 ab
0.8 a
s-Metolachlor + halosulfuron + imazethapyr
1050 + 35 + 45
98 ab
100 a
0.2 a
0.9 a
Abbreviations: WAE, weeks after crop emergence; PPI, preplant incorporated.
