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Introduction

Apply (Pymetrozine 50% WG) is a modern, broad-spectrum, systemic insecticide formulated as a water-soluble granule (WG) containing 50% pymetrozine. Pymetrozine is a diamide insecticide that acts as a potent blocker of insect nicotinic acetylcholine receptors (nAChRs), crucial components of the insect nervous system. By disrupting the nAChRs, Apply effectively controls a wide range of sucking and chewing pests in various crops, particularly aphids, whiteflies, thrips, and lepidopteran larvae.

Active Ingredient and Mode of Action

Apply contains a single active ingredient: pymetrozine.

• Pymetrozine: This active ingredient belongs to the diamide class of systemic insecticides. It specifically targets nAChRs, protein receptors that transmit signals between nerve cells. By binding to the nAChRs, pymetrozine blocks the flow of nerve impulses, leading to overexcitation of nerves, paralysis, and eventually, death. Pymetrozine exhibits systemic activity, providing effective control of pests that feed on or are in close contact with treated plants.

Application Methods

Apply can be applied as a foliar spray, soil drench, or seed treatment.

• Foliar spray: Mix the recommended dosage of Apply with water and apply it to the foliage of plants until they are thoroughly wet.

• Soil drench: Mix the recommended dosage of Apply with water and apply it to the soil around the base of plants.

• Seed treatment: Mix the recommended dosage of Apply with water and coat the seeds before sowing.

Dosage Rates

The recommended dosage rate of Apply varies depending on the target pest, crop, and application method. Consult the product label for specific dosage instructions.

Precautions

When handling and applying Apply, follow these precautionary measures to ensure safety:

• Wear protective clothing, including gloves, goggles, and a respirator.

• Avoid contact with skin and eyes.

• Do not apply the insecticide in windy conditions.

• Wash hands thoroughly after handling the product.

• Dispose of empty containers responsibly.

• Avoid using near water sources or aquatic habitats.

• Do not use on bees or other beneficial insects.

Storage and Shelf Life

Store Apply in a cool, dry place, away from direct sunlight and heat. When stored properly, the product has a shelf life of three years.

Conclusion

Apply (Pymetrozine 50% WG) stands out as a versatile and effective broad-spectrum insecticide with a unique mode of action, favorable environmental profile, and relatively low toxicity. Its efficacy against a wide range of sucking and chewing pests, along with its systemic activity, makes it a valuable tool for integrated pest management (IPM) programs. However, it is crucial to use Apply responsibly and in accordance with label instructions to minimize potential risks to human health and the environment.