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Introduction

Largo (Dhanuka Pesticide Ltd) Spinetoram 11.7% is a modern, broad-spectrum, systemic, and contact insecticide formulated as a suspension concentrate (SC) containing 11.7% spinetoram. Spinetoram is a naturally derived insecticide from the fermentation of Saccharopolyspora spinosa, a common soil bacterium. It belongs to the spinosyn class of insecticides and acts as a potent disruptor of insect neuromuscular transmission. By interfering with the signal transmission between nerve cells, Largo effectively controls a wide range of sucking and chewing pests in various crops, particularly thrips, lepidopteran larvae, and fruit borers.

Active Ingredient and Mode of Action

Largo contains a single active ingredient: spinetoram.

• Spinetoram: This naturally derived insecticide binds to specific receptors in insect nerve cells, disrupting the normal flow of nerve impulses. This disruption leads to paralysis and eventually death of the insect. Spinetoram 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

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

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

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

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

Dosage Rates

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

Precautions

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

Benefits of Largo

Largo stands out as a versatile and effective broad-spectrum insecticide with several notable benefits:

1. Broad-spectrum control: Effective against a wide range of sucking and chewing pests.

2. Dual activity: Systemic and contact activity for effective control of both feeding and non-feeding pests.

3. Natural origin: Derived from a naturally occurring soil bacterium, reducing environmental concerns.

4. Favorable environmental profile: Relatively low toxicity to mammals and beneficial insects.

5. Long-lasting residual activity: Provides extended control of pests.

6. Translaminar activity: Penetrates leaves to control pests on the undersides.

7. Winner of Presidential Green Chemistry Challenge Award: Recognized for its innovative and environmentally friendly approach to pest control.

Conclusion

Largo (Dhanuka Pesticide Ltd) Spinetoram 11.7% proves to be a valuable tool for integrated pest management (IPM) programs, offering effective control of a wide range of pests while minimizing potential environmental risks. Its unique mode of action, favorable environmental profile, and long-lasting residual activity make it a preferred choice for sustainable pest management practices. However, it is crucial to use Largo responsibly and in accordance with label instructions to maximize its benefits and minimize potential hazards.