Alligare Ecomazapyr 2 SL may only be used for application to control undesirable emergent and floating aquatic vegetation in and around standing and flowing water, including estuarine and marine sites. Alligare Ecomazapyr 2 SL may also be used to control undesirable vegetation growing in or around surface water in wetland, riparian and terrestrial habitats where applications may inadvertently contact surface water. Alligare Ecomazapyr 2 SL may also be used for cut stump, cut stem and frill and girdle treatments within aquatic sites.
Alligare Ecomazapyr 2 SL is an aqueous solution intended to be mixed with water and surfactant(s) for application to control floating and emergent undesirable vegetation (see AQUATIC WEEDS CONTROLLED BY ALLIGARE ECOMAZAPYR 2 SL section and the ADDITONAL WEEDS CONTROLLED BY ALLIGARE ECOMAZAPYR 2 SL section) in or near bodies of water which may be flowing, non-flowing or transient. Alligare Ecomazapyr 2 SL may be applied to aquatic sites that include lakes, rivers, streams, ponds, seeps, drainage ditches, canals, reservoirs, swamps, bogs, marshes, estuaries, bays, brackish water, transitional areas between terrestrial and aquatic sites and seasonal wet areas. See AQUATIC USES, PRECAUTIONS AND RESTRICTIONS section of this label for precautions, restrictions, and instructions on aquatic uses. Alligare Ecomazapyr 2 SL may also be used for cut stump, cut stem and frill and girdle treatments within aquatic sites (see AERIAL APPLICATIONS AND GROUND APPLICATIONS sections for additional details).
DO NOT treat more than one half of the surface area of the water in a single operation and wait at least 10 to 14 days between treatments. Begin treatment along the shore and proceed outward in bands to allow aquatic organisms to move into untreated areas.
Read and observe the following directions if aquatic sites are present in terrestrial non-crop areas and are part of the intended treatment area:
Alligare Ecomazapyr 2 SL controls most annual and perennial grasses, broadleaf weeds and many brush and vine species. Alligare Ecomazapyr 2 SL will provide some residual control of undesirable species that germinate above the waterline. Alligare Ecomazapyr 2 SL controls vegetation by absorbtion through emergent leaves and stems, from which it is translocated throughout the plant, where it accumulates in rapidly-growing meristematic tissue. Treated plants stop growing soon after treatment. Chlorosis (yellowing of plant tissue) first appears in the newest leaves, and necrosis spreads from this point.
In perennials, Alligare Ecomazapyr 2 SL is translocated into and kills underground or submerged storage organs to prevent regrowth. Chlorosis and tissue necrosis may not be apparent in some plant species until two or more weeks after application. Complete kill of plants may not occur for several weeks. Applications of Alligare Ecomazapyr 2 SL are rainfast within one hour after treatment.
Alligare Ecomazapyr 2 SL will not control plants which are completely submerged or have a majority or their foliage under water.
Alligare Ecomazapyr 2 SL must be applied to the emergent foliage of the target vegetation, since it has little-to-no activity on submerged vegetation. Residual concentrations of Alligare Ecomazapyr 2 SL from direct application to water are not expected to be sufficient to provide control of undesirable vegetation. Apply Alligare Ecomazapyr 2 SL so as to maximize spray contact onto the target vegetation while minimizing overspray onto adjacent or underlying water. For optimum performance, include a surfactant (see ADJUVANTS section for specific recommendations) in the spray solution and apply to actively growing weeds.
Alligare Ecomazapyr 2 SL may be applied in spot treatments by using low-volume directed application techniques or broadcast by using ground equipment, watercraft or helicopter. Apply Alligare Ecomazapyr 2 SL with surface or helicopter application equipment in at least 5 gallons of water per acre. When applying by helicopter, follow directions under the AERIAL APPLICATIONS section of this label, otherwise refer to section on GROUND APPLICATIONS when using surface equipment.
Applications to moving bodies of water should be made while traveling upstream to prevent concentration of this herbicide in water. DO NOT apply to bodies of water or portions of bodies of water where emergent and/or floating weeds do not exist.
When target vegetation covers a large percentage of the surface area of impounded water, apply Alligare Ecomazapyr 2 SL to alternating strips (i.e., DO NOT apply to every swath) to avoid oxygen depletion due to decaying vegetation, since oxygen depletion may result in the suffocation of sensitive aquatic organisms. DO NOT treat more than one half of the surface area of the water in a single operation and wait at least 10 to 14 days before retreatment. Begin treatment along the shore and proceed outward in alternating swaths as described above to allow aquatic organisms to move into untreated areas.
Avoid wash-off of sprayed foliage by spray boat or recreational boat backwash for one hour after application.
Apply Alligare Ecomazapyr 2 SL at 2 to 6 pints per acre, depending on weed species and weed density. Use higher rates for heavy weed pressure. Refer to the AQUATIC WEEDS CONTROLLED BY ALLIGARE ECOMAZAPYR 2 SL section and the ADDITIONAL WEEDS CONTROLLED BY ALLIGARE ECOMAZAPYR 2 SL section of this label for specifics. DO NOT exceed 6 pints per acre (1.5 lbai/A) per year.
Alligare Ecomazapyr 2 SL may also be applied as a draw down treatment in areas described above. Apply Alligare Ecomazapyr 2 SL to weeds after water has been drained and allow 14 days before reintroduction of water.
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