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Introduction

Marker (Bifenthrin 10% EC) is a modern, broad-spectrum, systemic, and contact insecticide formulated as an emulsifiable concentrate (EC) containing 10% bifenthrin. Bifenthrin is a pyrethroid insecticide that acts as a potent disruptor of sodium channels in insect nerve cells. By interfering with the normal flow of sodium ions across nerve cell membranes, Marker effectively controls a wide range of sucking and chewing pests in various crops, particularly aphids, whiteflies, thrips, lepidopteran larvae, and termites.

Active Ingredient and Mode of Action

Marker contains a single active ingredient: bifenthrin.

• Bifenthrin: This active ingredient belongs to the pyrethroid class of insecticides. It specifically targets sodium channels, protein pores that regulate the flow of sodium ions across nerve cell membranes. By binding to sodium channels, bifenthrin disrupts the normal flow of sodium ions, leading to overexcitation of nerves, paralysis, and eventually, death. Bifenthrin exhibits both systemic and contact activity, providing effective control of pests that feed on or are in close contact with treated plants or soil.

Application Methods

Marker can be applied as a foliar spray, soil drench, or termiticide treatment.

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

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

• Termiticide treatment: Apply Marker to the soil around the base of structures or directly to termite mounds or galleries.

Dosage Rates

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

Precautions

When handling and applying Marker, 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 Marker in a cool, dry place, away from direct sunlight and heat. When stored properly, the product has a shelf life of two years.

Conclusion

Marker (Bifenthrin 10% EC) 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 and contact activity, makes it a valuable tool for integrated pest management (IPM) programs. However, it is crucial to use Marker responsibly and in accordance with label instructions to minimize potential risks to human health and the environment.