Herbicide label
LONDAX
LONDAX (EPA 70506-372) is a Group 2 bensulfuron-methyl herbicide labeled for 1 crops. The label lists 21 controlled weeds, plus partial-control, suppression, and partner-control categories.
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LONDAX label facts
- Product LONDAX
- EPA Reg. No. 70506-372
- Registrant UPL NA, Inc.
- Active ingredient bensulfuron-methyl
- MOA group 2
Crops on the LONDAX label
LONDAX is labeled for these 1 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the LONDAX label
The LONDAX label names 33 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.
Controls
full control21- alligatorweed
- ammannia, purple
- arrowhead, annual
- arrowhead, california
- blunt spikerush
- dayflower
- ducksalad
- eclipta
- false pimpernel
- flatsedge, rice
- gooseweed
- mexicanweed
- nutsedge, yellow
- pickerelweed
- roughseed bulrush
- smallflower umbrellaplant
- texasweed
- water plantain
- waterhyssop, eisen
- waterhyssop, roundleaf
- waterwort
Suppression
suppression2- sesbania, hemp
- jointvetch, northern
Controls with a tank-mix partner
needs partner17- barnyardgrass, common
- cocklebur, common
- dayflower
- nutsedge, species
- gooseweed
- sesbania, hemp
- jointvetch, northern
- mexicanweed
- morning glory, annual
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- nutsedge, yellow
- smartweed, pennsylvania
- ammannia, purple
- watergrass
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
LONDAX rates and plant-back
The label answers both with a table, not a single number. Here is what drives each answer.
Application rate
Your rate depends on your crop.
Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.
Plant-back and rotation
Your interval depends on your application rate, the rotational crop, and your state, region, and rainfall — some intervals differ in AK, AL, AR, AZ, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, and WY.
Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.
LONDAX FAQ
What weeds does LONDAX control?
The LONDAX label names 33 weeds, including alligatorweed, purple ammannia, annual arrowhead, california arrowhead, blunt spikerush, and dayflower. Control varies by crop, rate, and timing.
What crops is LONDAX labeled for?
LONDAX is labeled for 1 crops and uses, including rice.
What is the active ingredient in LONDAX? Is it a generic?
LONDAX's active ingredient is bensulfuron-methyl (MOA Group 2). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
What's the plant-back interval after LONDAX?
It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.
Build a program →Can I tank-mix LONDAX?
It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.
Build a program →Plan in minutes, not hours.
Start with LONDAX and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.