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Introduction

Caldan 4G (Cartap Hydrochloride 4% G) is a modern, broad-spectrum, systemic, and contact insecticide formulated as granules (GR) containing 4% cartap hydrochloride. Cartap hydrochloride is a carbamate insecticide that acts as a potent inhibitor of acetylcholinesterase (AChE), an enzyme responsible for breaking down acetylcholine, a neurotransmitter involved in muscle contraction and nerve impulse transmission. By disrupting the normal functioning of AChE, Caldan 4G effectively controls a wide range of chewing and sucking pests, particularly caterpillars, leafminers, and thrips, in various crops, including cotton, vegetables, fruits, and ornamentals.

Active Ingredient and Mode of Action

Caldan 4G contains a single active ingredient: cartap hydrochloride.

• Cartap hydrochloride: This active ingredient belongs to the carbamate class of insecticides. It specifically targets AChE, an enzyme that plays a crucial role in regulating nerve impulses and muscle contraction. By inhibiting AChE, cartap hydrochloride leads to an accumulation of acetylcholine, causing excessive muscle contractions, paralysis, and eventually, death of the insect. Caldan 4G exhibits both systemic and contact activity, providing effective control of pests that feed on or are in close contact with treated plants.

Application Methods

Caldan 4G can be applied as a basal application, top dressing, or seed treatment.

• Basal application: Mix the recommended dosage of Caldan 4G with soil and apply it evenly around the base of plants during land preparation.

• Top dressing: Mix the recommended dosage of Caldan 4G with irrigation water and apply it to the base of plants during crop growth stages.

• Seed treatment: Coat seeds with the recommended dosage of Caldan 4G before sowing.

Dosage Rates

The recommended dosage rate of Caldan 4G varies depending on the target pest, crop, and application method. Consult the product label for specific dosage instructions.

Precautions

When handling and applying Caldan 4G, 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 Caldan 4G 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 Caldan 4G

Caldan 4G stands out as a versatile and effective broad-spectrum insecticide with several notable benefits:

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

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

3. Fast-acting and long-lasting residual activity: Provides rapid knockdown and extended control of pests.

4. Water-soluble granules: Easy to mix and apply.

5. Relatively low toxicity to mammals and beneficial insects.

Conclusion

Caldan 4G (Cartap Hydrochloride 4% G) 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 Caldan 4G responsibly and in accordance with label instructions to maximize its benefits and minimize potential hazards.