Weeds Pages
| BEN | BRN | CLE | CLO | DIU | FLU | GLY | OXY | PAR* | PEN | SET | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mode of Action1 | 6 | 6 | 1 | 4 | 7 | 14 | 9 | 14 | 22 | 3 | 1 |
| ANNUAL WEEDS | |||||||||||
| barnyardgrass | N | N | C | N | C | P | C | P | C | C | C |
| brome, downy (cheatgrass) | N | N | C | N | P | — | C | P | C | C | C |
| chamomile, mayweed (dogfennel) | P | P | N | C | C | — | C | C | C | — | N |
| chickweed, common | N | N | N | N | C | C | C | N | C | C | N |
| crabgrasses | N | N | C | N | C | P | C | N | C | C | C |
| fiddlenecks | P | C | N | N | C | — | C | C | P | N | N |
| filarees | N | N | N | N | C | — | P | C | P | N | N |
| flixweed (tansy mustard) | C | C | N | N | C | C | C | C | C | N | N |
| foxtail, green | N | N | C | N | C | — | C | N | C | C | C |
| groundsel, common | P | C | N | C | N | C | C | C | C | — | N |
| henbit | N | P | N | N | C | C | C | C | C | C | N |
| knotweed, common | P | P | N | N | C | — | P | P | P | — | N |
| kochia | C | C | N | P | C | C | C | P | P | P | N |
| lambsquarters, common | C | C | N | N | C | C | C | C | C | C | N |
| lettuce, prickly | P | C | N | C | C | C | P | C | P | P | N |
| mallow, little (cheeseweed) | C | P | N | N | P | C | P | C | N | — | N |
| mustard, tumble (Jim Hill) | C | C | N | N | C | C | C | C | C | P | N |
| nightshade, black | P | P | N | P | C | C | C | C | C | N | N |
| nightshade, hairy | C | C | N | P | C | C | C | C | C | N | N |
| oat, wild | N | N | C | N | P | C | C | P | P | P | C |
| pepperweed, field | P | — | N | N | P | — | C | — | P | — | N |
| pigweed, redroot | C | C | N | N | C | C | C | C | C | C | N |
| pigweeds | C | C | N | N | C | C | C | C | C | C | N |
| pineapple-weed | N | P | N | C | C | — | C | P | P | N | N |
| puncturevine | N | C | N | N | P | C | C | C | C | N | N |
| purslane, common | N | N | N | N | C | C | P | C | P | C | N |
| ryegrass, Italian | N | N | C | N | C | — | C | N | C | P | C |
| salsify, common | N | N | N | C | N | P | C | P | P | — | N |
| shepherd's-purse | C | C | N | N | C | C | C | C | C | P | N |
| sowthistle, annual | P | C | N | N | C | C | C | C | P | — | N |
| sprangletop, bearded | N | N | — | N | N | — | C | N | N | — | C |
| stinkgrass (lovegrass) | N | N | C | N | C | P | C | C | C | N | C |
| sunflower, common | C | C | N | C | C | — | C | C | C | — | N |
| thistle, Russian | N | C | N | N | P | C | P | P | C | — | N |
| wheats | N | N | C | N | C | — | C | P | P | — | C |
| witchgrass | N | N | C | N | C | — | C | N | N | C | C |
| PERENNIAL WEEDS | |||||||||||
| bindweed, field (established) | N | N | N | N | N | N | P | N | N | N | N |
| bindweed, field (seedling) | N | P | N | P | C | — | C | N | P | N | N |
| clovers, perennial | — | N | N | C | P | P | P | P | P | — | N |
| orchardgrass | N | N | C | N | N | — | C | — | N | — | C |
| quackgrass | N | N | P | N | N | — | P | N | N | — | P |
| C | = control | P | = partial control | N | = no control | — | = no information |
| Herbicide | Mode of action |
Herbicide | Mode of action |
|
|---|---|---|---|---|
| BEN = bentazon (Basagran) | 6 | GLY = glyphosate (Roundup, etc.) | 9 | |
| BRN = bromoxynil (Buctril) | 6 | OXY = oxyfluorfen (Goal, etc.) | 14 | |
| CLE = clethodim (Select Max) | 1 | PAR = paraquat* (Gramoxone Inteon) | 22 | |
| CLO = clopyralid (Stinger) | 4 | PEN = pendimethalin (Prowl H20) | 3 | |
| DIU = diuron (Drexel Diuron) | 7 | SET = sethoxydim (Poast) | 1 | |
| FLU = flumioxazin (Chateau) | 14 |
| * Permit required from county agricultural commissioner for purchase or use. |
| 1 Group numbers are assigned by the Weed Science Society of America (WSSA) according to different modes of action. Although weeds may exhibit multiple resistance across many groups, mode-of-action numbers are useful in planning mixtures or rotations of herbicides with different modes of action. |