Herbicide label
Granite GR Herbicide Label
Granite GR (EPA 62719-501) is a Group 2 penoxsulam herbicide labeled for 1 crops. The label lists 7 controlled weeds, plus partial-control, suppression, and partner-control categories.
“Granite® GR herbicide is a postflood, postemergence herbicide for selective control of susceptible grass, broadleaf, and sedge weeds in California rice.”
Granite GR label facts
- Product Granite GR
- EPA Reg. No. 62719-501
- Registrant Corteva Agriscience
- Active ingredient penoxsulam
- MOA group 2
Crops on the Granite GR label
Granite GR is labeled for these 1 crops and uses, per the EPA label.
Weeds on the Granite GR label
The Granite GR label names 12 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 control7- arrowhead, california
- barnyardgrass, common
- ducksalad
- monochoria
- watergrass, early
- watergrass, late
- water plantain
Suppression
suppression5- arrowhead, gregg's
- bulrush, ricefield
- ammannia, purple
- rice mimic
- umbrellaplant, smallflower
Granite GR 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 and the rotational crop.
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.
Granite GR FAQ
What weeds does Granite GR control?
The Granite GR label names 12 weeds, including california arrowhead, common barnyardgrass, ducksalad, monochoria, early watergrass, and late watergrass. Control varies by crop, rate, and timing.
What crops is Granite GR labeled for?
Granite GR is labeled for 1 crops and uses, including rice.
What is the active ingredient in Granite GR? Is it a generic?
Granite GR's active ingredient is penoxsulam (MOA Group 2). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Sources
Last updated 2026-09-30.