Fenvalerate
CAS NO.: 51630-58-1
Fenvalerate is an insect killer. It is a mixture of four optical isomers which have different insecticidal activities. The 2-S alpha or SS configuration, known as esfenvalerate, is the most insecticidally active isomer. The insect killer consists of about 23% of this isomer.
Function
The compound is most commonly used to control insects in food, feed, and cotton products, and for the control of flies and ticks in barns and stables.
Uses and Dosage
| Crop | Pests | Rate of use | Application |
| Citrus | Phyllocnistis citrella stainton | 16-25 mg/kg | Spray |
| Soybean | Bean-pod borer | 60-120 g/ha. | |
| Soybean | Busck | 60-90 g/ha. | |
| Soybean | Aphid | 30-60 g/ha. | |
| Cotton | Pests | 75-150 g/ha. | |
| Leaf class vegetable | Pests | 60-120 g/ha. | |
| Apple trees | Peach fruit borer | 50-100 mg/kg |
Benefit
1. This agricultural chemical does not affect plants, but it is active for an extended period of time.
2. The insecticide has applications against a wide range of pests.
3. Residue levels are minimized by low application rates.
Note
1. Fenvalerate is most toxic to bees and fish.
2. The chemical for farming use may irritate the skin and eyes on contact. Also, it may be harmful if swallowed.
3. In laboratory animals, central nervous system toxicity is observed following acute or short-term exposure.
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