Quizalofop-ethyl 5% is a selective herbicide used to control grass weeds in various crops, including:

1. Rice
2. Wheat
3. Barley
4. Oats
5. Sugarcane
6. Vegetables (like tomatoes, potatoes, and peanuts)

It belongs to the Aryloxyphenoxypropionate (AOPP) group of herbicides, which work by inhibiting the enzyme ACCase (Acetyl-CoA Carboxylase), essential for fatty acid biosynthesis in plants.

Quizalofop-ethyl 5% is effective against various grass weeds, including:

1. Barnyard grass
2. Wild oats
3. Green foxtail
4. Yellow foxtail
5. Crabgrass

It's important to note that herbicides should be used judiciously and in accordance with label instructions to avoid harm to non-target crops, animals, and the environment.