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Master (Rallis India Limited) is a post-emergent, systemic fungicide with the active ingredients mancozeb (75% WP) + metalaxyl (8% WP). It is used to control a wide range of fungal diseases on a variety of crops, including rice, wheat, groundnut, vegetables, and fruits.

Mode of action:

• Mancozeb is a dithiocarbamate fungicide that inhibits the enzyme succinate dehydrogenase, which is essential for fungal respiration. This prevents the fungus from producing energy, which kills it.
• Metalaxyl is a systemic fungicide that inhibits the production of ergosterol, a key component of fungal cell membranes. This weakens the cell membrane and kills the fungus.

Application:

Master can be applied as a foliar spray using a conventional sprayer. The application rate depends on the type of crop being grown and the fungal disease being controlled. For example, to control blast on rice, the application rate is 2 kg/ha. To control brown rust on wheat, the application rate is 2-2.5 kg/ha. To control leaf spot on groundnut, the application rate is 2-2.5 kg/ha. To control early blight on tomato, the application rate is 2-2.5 kg/ha.

Benefits:

• Master is a highly effective fungicide that provides broad-spectrum control of a wide range of fungal diseases.
• It is also relatively safe for humans and animals, and it has a short pre-harvest interval, making it a good choice for use on crops that are about to be harvested.
• Master is also a cost-effective fungicide, making it a popular choice for farmers.

Restrictions:

• Master is a restricted-use fungicide and must be applied by certified applicators.
• It is also important to follow the label directions carefully to avoid crop injury.

Safety:

• Master is a safe and effective fungicide when used according to the label directions. However, it is important to wear personal protective equipment (PPE) when applying Master, including gloves, long sleeves, pants, and eye protection.
• It is also important to avoid contact with the skin and eyes.

Storage:

• Master should be stored in a cool, dry place, out of reach of children and pets.

Additional notes:

• Master is a very popular fungicide, and it is used by farmers and gardeners all over the world to control fungal diseases.
• It is important to follow the label directions carefully to ensure effective disease control and minimize the risk of crop injury.