Herbicide label

Benfica

Benfica (EPA 83529-176) is a Group 2 bensulfuron-methyl herbicide labeled for 1 crops. The label lists 19 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Benfica label facts

Product Benfica
EPA Reg. No. 83529-176
Registrant Sharda USA LLC
Active ingredient bensulfuron-methyl
MOA group 2

Crops on the Benfica label

Benfica is labeled for these 1 crops and uses, per the EPA label.

rice

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Weeds on the Benfica label

The Benfica label names 30 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 control19

arrowhead, annual
spikerush, blunt
dayflower
ducksalad
eclipta
water hyssop, eisen
false pimpernel
gooseweed
mexicanweed
pickerelweed
ammannia, purple
flatsedge, rice
bulrush, roughseed
umbrellaplant, smallflower
texasweed
water plantain
waterwort
nutsedge, yellow
water hyssop, roundleaf

Suppression

suppression3

alligatorweed
sesbania, hemp
jointvetch, northern

Controls with a tank-mix partner

needs partner8

cocklebur, common
morningglory, entireleaf
morningglory, ivyleaf
morningglory, palmleaf
morningglory, pitted
smartweed, pennsylvania
barnyardgrass, common
watergrass

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Benfica 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.

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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.

Benfica FAQ

What weeds does Benfica control?

The Benfica label names 30 weeds, including annual arrowhead, blunt spikerush, dayflower, ducksalad, eclipta, and eisen water hyssop. Control varies by crop, rate, and timing.

What crops is Benfica labeled for?

Benfica is labeled for 1 crops and uses, including rice.

What is the active ingredient in Benfica? Is it a generic?

Benfica'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 Benfica?

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.

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Can I tank-mix Benfica?

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.