Management of Palmer Amaranth (Amaranthus palmeri) in Glufosinate-Resistant Soybean (Glycine max) with Sequential Applications of Herbicides
Table 2
Interaction of experiment and herbicide program for Palmer amaranth control and soybean yielda.
Palmer amaranth control
Soybean yield
Soil series
Soil series
Herbicide program
2010
2011
2010
2011
Nahunta
Lynchburg
Nahunta
Lynchburg
Nahunta
Lynchburg
Nahunta
Lynchburg
%
kg ha−1
Glufosinate
46 c
74 c
81 b
71 c
230 a
770 b
2640 c
3840 b
Glufosinate followed by glufosinate
62 b
100 a
74 b
85 b
360 a
1130 a
3170 b
4120 ab
-metolachlor plus fomesafen
70 b
93 ab
95 a
89 ab
360 a
1110 ab
3020 bc
4220 ab
-metolachlor plus fomesafen
100 a
87 b
100 a
99 a
370 a
950 ab
3870 a
4420 a
followed by glufosinate
aMeans within a year and field followed by the same letter are not different according to Fisher’s Protected LSD test at . Data are pooled over soybean plant population.
