821.21 Aquatic Areas: Difference between revisions

From Engineering_Policy_Guide
Jump to navigation Jump to search
m add "brush control" link to 822.10 Maintenance Planning Guidelines for Brush Cutting
Smithk (talk | contribs)
m Per MT, numerous minor clarifications.
 
(One intermediate revision by the same user not shown)
Line 21: Line 21:
'''A.''' Calibration
'''A.''' Calibration


Most products applied with handgun or backpack sprayer (see section on calibration of handgun sprayers)
Most products applied with handgun or backpack sprayer (see [[821.11 Calibration|EPG 821.11]] for calibration of hand sprayers)


'''B.''' Recommended products and rates  
'''B.''' Recommended products and rates  
Line 29: Line 29:
|+  
|+  
! style="background:#BEBEBE"|Herbicide!!style="background:#BEBEBE"| Broadcast Rate!!style="background:#BEBEBE"|Handgun Rate!!style="background:#BEBEBE"| Comments
! style="background:#BEBEBE"|Herbicide!!style="background:#BEBEBE"| Broadcast Rate!!style="background:#BEBEBE"|Handgun Rate!!style="background:#BEBEBE"| Comments
|-
|Aquatic broadleaf products||Read the label|| ||Read the label
|-
|-
|Aquatic Glyphosate||2 qt. per acre||1 gallon per 100 gallons||Add approved surfactant.
|Aquatic Glyphosate||2 qt. per acre||1 gallon per 100 gallons||Add approved surfactant.

Latest revision as of 14:09, 8 April 2015

Definition: The control of undesirable vegetation in or near water.

Why: Control of undesirables are needed for sight distance, rip-rap maintenance near water and drainage. Often these plants are located in or near water requiring an herbicide labeled for aquatic use.

Primary Sites:

Weeds and Brush Control in and around water

All bodies of water such as:

1. Lakes, rivers, streams, ponds, reservoirs

2. Lagoons, levees, seeps and sinkholes

3. Canals, drainage and irrigation ditches, strip pits

4. Wildlife Management Habitats (wetland areas)

Methods:

A. Calibration

Most products applied with handgun or backpack sprayer (see EPG 821.11 for calibration of hand sprayers)

B. Recommended products and rates

Table 821.21 Recommended Products and Rates for Aquatics or Near Streams or Open Water

Herbicide Broadcast Rate Handgun Rate Comments
Aquatic broadleaf products Read the label Read the label
Aquatic Glyphosate 2 qt. per acre 1 gallon per 100 gallons Add approved surfactant.

C. P.P.E.

Follow manufacturer’s label recommendations

D. When to apply

a. Post-emergent application when undesired vegetation is actively growing above surface of water
b. Re-application throughout season if needed

Special Recommendations

A. Read the label

B. Use only approved aquatic herbicide (refer to label)