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4 Cards in this Set

  • Front
  • Back
Soil applied herbicides
Root inhibitors
Shoot inhibitors
Shoot and root inhibitors
Root inhibitors
-Dinitroanilines-"yellow" herbicides
-inhibit steps in plant cell division and result in fewer roots and club shaped roots
-except for oryzalin have water solubility <1ppm and bind to soil so unlikely to leach
-losses from volatilization and photodegradation on soil surfaces
-trifluralin (Treflan), ethalfluralin (Sonalan), pendimethalin (Prowl), oryzalin (Surflan)
 Shoot inhibitors
-soil applied for control of seedling grasses, some broadleaves and suppression of some perennials from tubers and rhizomes
-injury appears as malformed, dark green shoots and leaves
-grass crops with some resistance can be protected with safeners and protectants
-EPTC (Eptam), acetochlor (harness)
Shoot and root inhibitors
-preplant incorporated, preemergence and sometimes early postemergence for control of annual grasses, and some broadleaves in small seeded legumes, established woody species, established turf, established herbaceous perennials
-pronamide (Kerb), dichlobenil (Casoron)