THE EXTENSION CONNECTION: Know your herbicide

Published: Wednesday, March 27, 2013 at 03:27 PM.

Whether you are a homeowner, land manager or farmer, when you spray an herbicide, you are a pesticide applicator and must follow certain rules.

One of them is the Florida Organo-Auxin Herbicide Rule 5E-2.033. Organo-auxin herbicides can drift onto off-target plants if improperly managed. Tomato plants are especially sensitive to organo-auxin herbicides.

If you use these herbicides, you must take precautions to minimize potential drift. Active ingredients classified as organo-auxin herbicides are 2,4-D; 2,4,5-T; silvex; MCPA; 2,4-DP; MCPP; MCPB; dicamba; and triclopyr.

If you use one of these common herbicides, you must measure the wind speed and direction before you start spraying and do so hourly while spraying. Record and retain this information for areas less than 5 acres in size.

If you spray more than five acres, you must record and retain the following information for at least two years:

●Name and address of the owner, lessee or tenant controlling the land, and the applicator’s name and address.

●Site to be treated, site of herbicide mixing and loading area and description of application equipment used.



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