Weed Control in White Bean with Various Halosulfuron Tankmixes
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)
Control
Density
Dry weight
4 WAE
8 WAE
%
# m−2
g m−2
Weedy check
0 g
0 f
36.7 c
38.2 d
Weed-free check
100 a
100 a
0.0 a
0.0 a
Trifluralin
600
97 bc
96 bc
1.7 a
1.0 abc
s-Metolachlor
1050
95 cd
97 b
2.6 a
1.5 abc
Halosulfuron
35
53 f
56 e
52.5 c
28.2 d
Imazethapyr
45
82 e
80 d
11.0 b
4.5 c
Trifluralin + halosulfuron
600 + 35
93 d
93 c
2.4 a
2.9 bc
Trifluralin + imazethapyr
600 + 45
96 bcd
94 bc
1.7 a
0.8 abc
Trifluralin + halosulfuron + imazethapyr
600 + 35 + 45
99 b
97 b
0.6 a
0.2 ab
s-Metolachlor + halosulfuron
1050 + 35
95 cd
93 c
1.5 a
0.6 abc
s-Metolachlor + imazethapyr
1050 + 45
97 bc
94 bc
1.1 a
0.8 abc
s-Metolachlor + halosulfuron + imazethapyr
1050 + 35 + 45
98 b
96 bc
1.2 a
0.8 abc
Abbreviations: WAE, weeks after crop emergence; PPI, preplant incorporated.