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Introduction

Apple (Buprofezin 25% SC) is a modern, selective, and insect growth regulator (IGR) formulated as a suspension concentrate (SC) containing 25% buprofezin. Buprofezin is a chitin synthesis inhibitor that disrupts the molting process of insects, preventing them from developing into mature adults. By disrupting this essential life stage, Apple effectively controls a wide range of lepidopteran pests in various crops, particularly caterpillars and leafminers.

Active Ingredient and Mode of Action

Apple contains a single active ingredient: buprofezin.

• Buprofezin: This active ingredient belongs to the dibenzoylhydrazine class of IGRs. It specifically targets the enzyme chitin synthase, which is crucial for the synthesis of chitin, a structural component of insect exoskeletons. By inhibiting chitin synthesis, buprofezin prevents the formation of a new exoskeleton during molting, leading to deformities, stunted growth, and eventually, death. Buprofezin exhibits a selective mode of action, primarily affecting lepidopteran pests while sparing beneficial insects like bees and natural predators.

Application Methods

Apple can be applied as a foliar spray or soil drench.

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

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

Dosage Rates

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

Precautions

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

Conclusion

Apple (Buprofezin 25% SC) stands out as a valuable tool for managing lepidopteran pests in integrated pest management (IPM) programs. Its unique mode of action, selective activity, and relatively low toxicity make it a preferred choice for protecting crops while minimizing harm to beneficial insects and the environment. However, it is crucial to use Apple responsibly and in accordance with label instructions to maintain its effectiveness and safeguard human health and the environment.