What Is Maleic Hydrazide?

Maleic hydrazide, often known by the brand name Fazor is a plant growth regulator that has mode of action that reduces growth through preventing cell division but not cell enlargement. It is applied to the foliage of potato, onion, garlic and carrot crops to prevent sprouting during storage.

Is Maleic hydrazide safe?

In acute toxicity studies, maleic hydrazide is "practically nontoxic" to birds, fish, invertebrates and honey bees. It is considered to pose minimal risks to birds, mammals, aquatic organisms, non-target insects and aquatic plants.

What is maleic hydrazide used for?

Use Profile

It is used to control sprouting of potatoes and onions, suckers in tobacco, and growth of weeds, grasses and trees in/along lawns, turf, ornamental plants, non-bearing citrus, utility and highway rights-of-way, airports and industrial land.