Herbicide label
Usha 6 CA
Usha 6 CA (EPA 83529-147) is a Group 4 2,4-d herbicide labeled for 13 crops. The label lists 45 controlled weeds, plus partial-control, suppression, and partner-control categories.
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Usha 6 CA label facts
- Product Usha 6 CA
- EPA Reg. No. 83529-147
- Registrant Sharda USA LLC
- Active ingredient 2,4-d
- MOA group 4
Crops on the Usha 6 CA label
Usha 6 CA is labeled for these 13 crops and uses, per the EPA label.
- field corn
- wheat
- barley
- sorghum
- rice
- durum wheat
- oats
- cereal rye
- popcorn
- sweet corn
- wild rice
- sugarcane
- grass seed
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Usha 6 CA label
The Usha 6 CA label names 48 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 control45- alligatorweed
- boxelder
- buckhorn
- thistle, bull
- bullrush
- burdock
- buttercup
- carpetweed
- catnip
- chickweed
- chicory
- cocklebur, common
- curly indigo
- geranium
- goldenrod
- hemp
- henbit
- honeysuckle
- indigo
- ironweed
- jimsonweed
- lambsquarters
- locoweed
- morningglory
- mullein, common
- mustard
- parrot feather
- pennywort
- poison ivy
- poorjoe
- puncturevine
- purslane
- ragweed, giant
- rush
- shepherd's-purse
- sowthistle
- needles, spanish
- sunflower
- thistles
- water primrose
- waterlily
- wild lettuce
- radish, wild
- witchweed
- waterplantain
Partial control
partial3- deep-rooted perennials
- hard-to-control species
- less susceptible weeds
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Usha 6 CA 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 HI and MN.
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.
Usha 6 CA FAQ
What weeds does Usha 6 CA control?
The Usha 6 CA label names 48 weeds, including alligatorweed, boxelder, buckhorn, bull thistle, bullrush, and burdock. Control varies by crop, rate, and timing.
What crops is Usha 6 CA labeled for?
Usha 6 CA is labeled for 13 crops and uses, including field corn, wheat, barley, sorghum, and rice.
What is the active ingredient in Usha 6 CA? Is it a generic?
Usha 6 CA's active ingredient is 2,4-d (MOA Group 4). 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 Usha 6 CA?
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 Usha 6 CA?
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 Usha 6 CA 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.