Weed Control in White Bean with Various Halosulfuron Tankmixes
Table 3
Percent control, density, and dry weight of common ragweed in white bean treated with halosulfuron tankmixes applied PPI at Exeter, ON (2012-2013). Means followed by the same letter within a column are not significantly different according to Fisher’s Protected LSD at .
Herbicide treatment
Rate (g ai ha−1)
Control
Density
Dry weight
4 WAE
8 WAE
%
# m−2
g m−2
Weedy check
0 e
0 e
1.8 b
5.2 bc
Weed-free check
100 a
100 a
0.0 a
0.0 a
Trifluralin
600
28 d
19 e
2.7 b
6.6 c
s-Metolachlor
1050
30 d
40 d
2.5 b
18.6 c
Halosulfuron
35
99 a
97 ab
0.1 a
0.0 a
Imazethapyr
45
84 c
73 c
1.2 ab
1.7 ab
Trifluralin + halosulfuron
600 + 35
96 ab
90 abc
0.3 a
0.6 ab
Trifluralin + imazethapyr
600 + 45
88 c
78 bc
1.0 ab
2.3 ab
Trifluralin + halosulfuron + imazethapyr
600 + 35 + 45
98 a
96 ab
0.0 a
0.0 a
s-Metolachlor + halosulfuron
1050 + 35
98 a
93 abc
0.2 a
0.3 ab
s-Metolachlor + imazethapyr
1050 + 45
90 bc
78 bc
0.9 ab
1.2 ab
s-Metolachlor + halosulfuron + imazethapyr
1050 + 35 + 45
98 a
94 ab
0.0 a
0.0 a
Abbreviations: WAE, weeks after crop emergence; PPI, preplant incorporated.
