Mancozeb is a widely used fungicide, extensively applied in the prevention and control of diseases in fruit trees, vegetables, flowers, and field crops. Here's an in-depth look at the role and uses of mancozeb:
-
Plant Disinfection: Mancozeb is commonly used for plant disinfection. Immersing plants in a mancozeb solution before planting can effectively prevent root rot and promote better growth.
-
Wound Healing Acceleration: Applying mancozeb to plant cuttings or grafts can accelerate wound healing when placed in a ventilated and shaded area.
-
Bacteria and Fungus Eradication: Mixing mancozeb powder evenly into new potting soil can effectively eliminate bacteria and fungi, preventing plant diseases.
Methods of Using Mancozeb:
-
Grape Disease Prevention: Spray 250-500 times the liquid of 25% wettable powder mancozeb for diseases like grape white rot, powdery mildew, anthracnose, etc., at intervals of 7-10 days.
-
Tomato Early Blight Control: Use 800-1000 times the liquid of 50% wettable powder mancozeb during the initial stage of disease onset, spraying at intervals of 7-10 days, for a total of 3-5 times.
-
Melon Wilt Prevention: Apply 1-1.5 kg of 50% wettable powder mancozeb per mu, mixed with 25-30 kg of fine soil, and irrigate the roots with a 1000-fold liquid during the fruiting period.
Usage Precautions:
-
Proper dosage is crucial for effective use of mancozeb.
-
Avoid continuous use of mancozeb, and stop using it half a month before harvest to prevent pesticide residues.
-
Mancozeb must be diluted before use, with a ratio of 1:1000 with water.
-
Store mancozeb out of reach of children due to its toxicity.
Mancozeb is available in various formulations such as 25% and 50% wettable powders, and 40% suspensions, suitable for different types of crops.
