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Introduction

Dhanuka M-45 Fungicide (Mancozeb 75% WP) is a broad-spectrum, contact fungicide formulated as a wettable powder (WP) containing 75% mancozeb. Mancozeb is a dithiocarbamate fungicide that disrupts multiple cellular processes in fungi, leading to their death. Dhanuka M-45 Fungicide is effective against a wide range of fungal diseases in various crops, particularly foliar diseases.

Active Ingredient and Mode of Action

Dhanuka M-45 Fungicide contains a single active ingredient: mancozeb.

• Mancozeb: This active ingredient belongs to the dithiocarbamate class of contact fungicides. It specifically disrupts multiple cellular processes in fungi, including:

  • Enzyme inhibition: Mancozeb inhibits the activity of enzymes essential for fungal growth and metabolism.

  • Respiration disruption: Mancozeb interferes with mitochondrial respiration, the process by which fungi produce energy.

  • Cell membrane damage: Mancozeb disrupts the integrity of fungal cell membranes, leading to leakage of cellular contents and impairment of nutrient uptake.

By disrupting these essential cellular functions, mancozeb effectively prevents fungal growth, reproduction, and spore germination, ultimately leading to fungal death.

Application Methods

Dhanuka M-45 Fungicide can be applied as a foliar spray, seed treatment, or soil drench.

• Foliar spray: Mix the recommended dosage of Dhanuka M-45 Fungicide with water and apply it to the foliage of plants until they are thoroughly wet.

• Seed treatment: Mix the recommended dosage of Dhanuka M-45 Fungicide with water and coat the seeds before sowing.

• Soil drench: Mix the recommended dosage of Dhanuka M-45 Fungicide with water and apply it to the soil around the base of plants.

Dosage Rates

The recommended dosage rate of Dhanuka M-45 Fungicide varies depending on the target disease, crop, and application method. Consult the product label for specific dosage instructions.

Precautions

When handling and applying Dhanuka M-45 Fungicide, 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 fungicide 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 Dhanuka M-45 Fungicide in a cool, dry place, away from direct sunlight and heat. When stored properly, the product has a shelf life of two years.

Conclusion

Dhanuka M-45 Fungicide (Mancozeb 75% WP) is a versatile and effective fungicide that provides broad-spectrum control of a wide range of foliar fungal diseases. Its contact action, protective effect, and favorable environmental profile make it a valuable tool for integrated pest management (IPM) programs. However, it is crucial to use Dhanuka M-45 Fungicide responsibly and in accordance with label instructions to minimize potential risks to human health and the environment.