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HCS Weed Database

College of Food, Agricultural, and Environmental Sciences

CFAES

acetochlor + atrazine

Active ingredients: 
acetochlor, atrazine
Site of action groups: 
15, 5
Manufacturer: 
many
EPA reg number: 
many
Restricted use product or combination: 
Yes
Rate (per A): 

Product loading varies.  See labels and the "Weed Control Guide for Ohio, Indiana, and Illinois" for more information.

Application timing: 

Preplant, preemergence, or postemergence up to 11-inch corn

Rotation intervals: 

Time to wait to plant following application (months; NR = no restrictions): corn - NR;wheat - 4; oats - 21; alfalfa - 21; clover - 21; soybeans - 10; tomatoes - 21; popcorn - NR; sweet corn - NR.