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Topramezone (CAS NO : 210631-68-8)

Topramezone is a selective post-emergence herbicide belonging to the pyrazolone class, primarily used for controlling broadleaf and grass weeds in corn and other crops. It inhibits the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD), leading to the disruption of carotenoid biosynthesis in target plants. This results in bleaching and subsequent necrosis of the weeds. Other identifier- UNII: W4934JAQ65

Topramezone
Topramezone

Topramezone is a selective post-emergence herbicide belonging to the pyrazolone class, primarily used for controlling broadleaf and grass weeds in corn and other crops. It inhibits the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD), leading to the disruption of carotenoid biosynthesis in target plants. This results in bleaching and subsequent necrosis of the weeds. Other identifier- UNII: W4934JAQ65

Industries 1Industries

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Agrochemicals

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Category

Crop Protection & Pest Control

Sub-categorySub-category 1

Sub-category

Herbicides

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Chemical Properties & Specifications

Applications of Topramezone

Agriculture

Used post-emergence in corn crops to control a wide range of broadleaf and grass weeds.

Crop Protection

Ensures healthy crop development by eliminating competitive weed species.

Have Questions About Topramezone?
We've Got Answers.

Topramezone is a selective herbicide used post-emergence to control broadleaf and grass weeds in crops like corn.

It inhibits the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD), disrupting carotenoid biosynthesis in target plants, leading to bleaching and death of the weeds.

When used as directed, Topramezone has low toxicity to mammals. However, it is classified as a reproductive toxin (Category 1B), so appropriate precautions should be taken during handling and application.

Yes, it can be tank-mixed with other compatible herbicides to broaden the spectrum of weed control. Always refer to the manufacturer's guidelines for specific mixing instructions.

It is primarily used in corn (field corn, sweet corn, and popcorn) to manage various weed species.

Topramezone is very toxic to aquatic life with long-lasting effects. Avoid application near water bodies and ensure proper measures to prevent runoff.

As with any herbicide, repeated use of Topramezone alone can lead to the development of resistant weed populations. It is advisable to use it as part of an integrated weed management program, rotating with herbicides of different modes of action.

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