Herbicide label
Zembu Herbicide Label
Zembu (EPA 71711-63) is a Group 14 pyraclonil herbicide labeled for 1 crops. The label lists 10 controlled weeds, plus partial-control, suppression, and partner-control categories.
Zembu label facts
- Product Zembu
- EPA Reg. No. 71711-63
- Registrant Nichino America, Inc.
- Active ingredient pyraclonil
- MOA group 14
Crops on the Zembu label
Zembu is labeled for these 1 crops and uses, per the EPA label.
Weeds on the Zembu label
The Zembu label names 11 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 control10- arrowhead, california
- arrowhead, gregg
- barnyardgrass, common
- ducksalad
- monochoria
- ammannia, purple
- sedge, smallflower umbrella
- watergrass, early
- watergrass, late
- water hyssop
Suppression
suppression1- bulrush, ricefield
Zembu 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.
Zembu FAQ
What weeds does Zembu control?
The Zembu label names 11 weeds, including california arrowhead, gregg arrowhead, common barnyardgrass, ducksalad, monochoria, and purple ammannia. Control varies by crop, rate, and timing.
What crops is Zembu labeled for?
Zembu is labeled for 1 crops and uses, including rice.
What is the active ingredient in Zembu? Is it a generic?
Zembu's active ingredient is pyraclonil (MOA Group 14). 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.