Oryzalin
Oryzalin
Oryzalin (pronounced: or-ee-zuh-lin) is a dinitroaniline herbicide used for pre-emergent control of annual grasses and broadleaf weeds in various crops, turf, and ornamental plants. It is also used in plant cell biology to induce polyploidy.
Etymology
The term "Oryzalin" is derived from the genus name of rice, Oryza, as it was initially developed for weed control in rice cultivation. The suffix "-lin" is common in chemical nomenclature, indicating a type of compound.
Usage
Oryzalin is applied to the soil surface and is absorbed by the roots of germinating plants, inhibiting cell division and growth. It is most effective when applied before weed seeds germinate. It has a residual effect, providing control for several weeks after application.
Related Terms
- Herbicide: A substance that is toxic to plants and is used to destroy unwanted vegetation.
- Dinitroaniline: A type of chemical compound used in the manufacture of herbicides.
- Polyploidy: A condition in which cells have more than two paired sets of chromosomes.
- Pre-emergent: A type of herbicide that prevents weed seeds from germinating.
Health Effects
Exposure to Oryzalin can cause irritation to the eyes, skin, and respiratory tract. Long-term exposure can lead to more serious health effects, including damage to the liver and kidneys.
Environmental Impact
Oryzalin is moderately persistent in the environment and can leach into groundwater. It is toxic to aquatic organisms and can have negative impacts on non-target plants if not applied correctly.
External links
- Medical encyclopedia article on Oryzalin
- Wikipedia's article - Oryzalin
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