General Information


This product may be used in California by following the specific crop directions and the CALIFORNIA SUPPLEMENTAL LABEL found at the end of the label.

Not for use or storage in or around residential sites, including homes, non-agricultural outbuildings, pleasure boats, recreational vehicles, preschools, day care centers, and applications to humans and pets.

Do not use or store in greenhouses.

Do not use in undiluted form.

When an adjuvant is to be used with this product, Makhteshim Agan of North America, Inc. suggests the use of a Chemical Producers and Distributors Association certified adjuvant.

Apply the listed amount per acre when insects first appear and repeat as required, unless otherwise noted, to maintain effective control. Use in sufficient water for thorough coverage of listed crops unless otherwise noted. Coverage of upper and lower leaf surfaces is essential for good control. For ground application, apply listed amount of pesticide in a minimum of 10 gallons of water per acre on vegetable or row crops unless otherwise noted. Observe use limitations. If insect control is required beyond the following use patterns, supplement the control program with other suitable pesticides.

Limitations, Restrictions, and Exceptions


Apply up to 1? quarts of Thionex 3EC in a minimum of 25 gallons of water per acre by ground. Use ground boom application equipment only. Apply when insects first appear.

Do not use more than 1? pints of this product per acre during bloom.


- Do not apply this product through any type of irrigation system.

- A 30 foot vegetative buffer strip must be maintained between all areas treated with this product and rivers, natural ponds, lakes, streams, reservoirs, marshes, estuaries, and commercial fish ponds.

- A 100 foot spray buffer is required for ground boom applications between a treated area and water bodies. See EPA registered product label for details and limits regarding nozzle selection, nozzle height, and wind speed limitations.

- Do not graze treated alfalfa fields or feed treated forage, crop residue, or seed millings, as required by the Idaho Rules Governing Pesticide Use and Application, IDAPA 02-03-03-800.

- Do not cut treated alfalfa for hay or forage.

- If the applicator of this pesticide is not the crop producer, the applicator should provide a copy of the labeling to the producer of the crop. Producers of this crop who use product, or cause the product to be used on a field they operate, should provide a copy of this pesticide label to the seed conditioner.

- All seed from seed alfalfa treated with THIONEX 3EC is to be tagged at the conditioning plant “Not for Human or Animal Consumption.” It shall be the grower’s responsibility to notify the conditioning plant of any alfalfa seed crop treated with THIONEX 3EC.

- Seed from THIONEX 3EC treated seed alfalfa is not to be used for sprouting.

- All alfalfa seed screenings shall be disposed of in such a way that they cannot be distributed or used for human food or animal feed.

- No portion of the alfalfa seed plant, including but not limited to green chop, hay, pellets, meal, whole seed, cracked seed, roots, bulbs, leaves and seed screenings may be used or distributed for human food or animal feed purposes.

- This product is highly toxic to bees exposed to direct treatment or residues on blooming crops or broadleaf weeds. Do not apply the 1 ? quarts per acre (1 lb ai/A) rate to blooming seed alfalfa; apply at that rate as a pre-bloom or post-bloom spray only. Application of 1 ? pints per acre (0.5 lb ai/A) to blooming seed alfalfa must be timed to coincide with periods of minimum bee activity, usually between late evening and midnight.

- This product is extremely toxic to fish and aquatic invertebrates and toxic to birds and mammals and should not be used where impact on listed threatened or endangered species is likely. Contact the US Fish and Wildlife Service for information on listed, threatened or endangered species. Consult the EPA-registered label for additional restrictions and precautions to protect aquatic organisms.

Pre-Harvest Interval

21 days

Restricted Entry Interval

7 days