Herbicide | Rate | Palmer amaranth | Puncturevine | ||
Pooled | Colby, 2012 | ||||
3 WAA | 6 WAA | 3 WAA | 6 WAA | ||
| g∙ha−1 | -----------------------------------------------%----------------------------------------------- | |||
Pyroxasulfone | 100 | 87 c | 76 gf | 80 a | 64 ab |
| 200 | 94 abc | 91 abcd | 75 a | 60 abc |
| 400 | 97 ab | 97 ab | 70 abc | 54 abcde |
Sulfentrazone | 70 | 77 d | 69 g | 45 de | 33 cdef |
| 140 | 92 abc | 78 efg | 40 e | 15 f |
| 280 | 93 abc | 83 def | 68 abcd | 45 bcde |
Pyroxasulfone + Sulfentrazone | 100 + 70 | 91 abc | 86 bcdef | 73 ab | 57 abcd |
| 100 + 140 | 95 abc | 93 abcd | 70 abc | 50 abcde |
| 100 + 280 | 97 ab | 93 abcd | 67 abcd | 50 abcde |
| 200 + 70 | 95 abc | 89 abcde | 80 a | 59 abc |
| 200 + 140 | 97 ab | 94 abcd | 86 a | 63 ab |
| 200 + 280 | 97 ab | 95 abc | 83 a | 66 ab |
| 400 + 70 | 97 ab | 97 ab | 80 a | 64 ab |
| 400 + 140 | 97 ab | 95 abc | 88 a | 74 a |
| 400 + 280 | 99 a | 98 a | 85 a | 70 ab |
Sulfentrazone + Pendimethalin | 140 + 1390 | 90 bc | 84 cdef | 50 bcde | 28 ef |
Sulfentrazone + S-metolachlor | 140 + 1280 | 91 abc | 84 cdef | 48 cde | 30 ef |