Weed Control in White Bean with Various Halosulfuron Tankmixes
Table 1
Percent visible injury 1 and 4 WAE, crop moisture at harvest, and yield of 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 .
Herbicide treatment
Rate (g ai ha−1)
Injury
Moisture
Yield
1 WAE
4 WAE
%
T ha−1
Weedy check
0
0 a
20.8
0.6 e
Weed-free check
0
0 a
19.9
2.2 ab
trifluralin
600
0
0 a
20.3
1.2 d
s-Metolachlor
1050
0
0 a
20.4
1.4 cd
Halosulfuron
35
0
0 a
19.6
1.7 bc
Imazethapyr
45
0
2 bc
19.9
1.8 bc
Trifluralin + halosulfuron
600 + 35
0
0 a
19.4
2.2 ab
Trifluralin + imazethapyr
600 + 45
0
2 bc
19.5
2.0 ab
Trifluralin + halosulfuron + imazethapyr
600 + 35 + 45
0
4 c
19.5
2.1 ab
s-Metolachlor + halosulfuron
1050 + 35
0
0 a
19.6
2.2 ab
s-Metolachlor + imazethapyr
1050 + 45
0
1 b
19.8
2.0 ab
s-Metolachlor + halosulfuron + imazethapyr
1050 + 35 + 45
0
3 bc
19.9
2.0 ab
Abbreviations: WAE, weeks after crop emergence; PPI, preplant incorporated.
