FungicideToxicity: Blue (Danger)Systemic & Contact Mode of Action
Metalaxyl 8% + Mancozeb 64% WP
Chemical Group: Acylalanine + Dithiocarbamate
Specific Oomycete killer. Metalaxyl penetrates deep into plant tissues to halt internal fungal mycelium while Mancozeb stops surface spore germination.
Dosage / Acre
400 – 500 gm per acre
2.0 – 2.5 gm per liter water
Rainfastness
3 Hours
Dry window needed
Waiting Period (PHI)
21 Days
Pre-Harvest Interval
Water Volume
200 L / Acre
~10 Pumps of 15L
Target Crops & Registered Pests
Registered Target Crops
GrapePotatoMustardBlack PepperPearl Millet
Controlling Pests / Pathogens
Downy MildewLate Blight of PotatoWhite RustDamping Off
Field Application Guidelines & Best Practices
- Top choice for early preventive spray before cloudy, humid monsoon weather triggers late blight.
Statutory Safety & Toxicity Precautions
- Follow rotation guidelines to prevent metalaxyl resistance.
Popular Commercial Brands
Well-known commercial products formulated with Metalaxyl 8% + Mancozeb 64% WP:
Ridomil Gold (Syngenta)Master (UPL)Krishilaxyl (Krishi Rasayan)
Other Fungicides
Carbendazim 12% + Mancozeb 63% WP
300 – 400 gm per acre • Benzimidazole + Dithiocarbamate
Tebuconazole 50% + Trifloxystrobin 25% WG
80 – 100 gm per acre • Triazole + Strobilurin
Azoxystrobin 11% + Tebuconazole 18.3% SC
250 – 300 ml per acre • Strobilurin + Triazole
Thiophanate Methyl 70% WP
250 – 300 gm per acre • Benzimidazole Precursor
Calculate Spray Mix for Your Acreage
Enter your exact field acreage or knapsack tank capacity to compute precise chemical quantity, total water, and estimated costs.
Open Dosage Calculator🏛️ Statutory Agrochemical Verification Portals
Official MoA&FW (.nic.in & .gov.in)Official Regulatory & Label Claim Portals for Metalaxyl 8% + Mancozeb 64% WP
🏛️ CIB&RC (.nic.in)cibrc.nic.in
Central Insecticides Board & Registration Committee
Verify statutory label claims, approved crop-pest combinations, MRL limits, and banned pesticide circulars for Metalaxyl 8% + Mancozeb 64% WP.
🏛️ DPPQS (.gov.in)ppqs.gov.in
Directorate of Plant Protection, Quarantine & Storage
Official advisories on Integrated Pest Management (IPM), locust monitoring, and state biocontrol laboratories.
FAQ
Frequently asked questions
For standard knapsack sprayers (15L water capacity), dilute at 2.0 – 2.5 gm per liter. This equates to approximately 2.0 – 2.5 gm per liter per 15-liter tank. Always dissolve in a bucket of clean water before pouring into the spray tank.
The statutory waiting period (PHI) for Metalaxyl 8% + Mancozeb 64% WP is 21 days. Farmers must not harvest produce before this interval expires to ensure chemical residues remain below mandatory Maximum Residue Limits (MRL).
Metalaxyl 8% + Mancozeb 64% WP requires a rainfastness safety window of at least 3 hour(s). If heavy rain occurs within this timeframe, the chemical deposit may be washed off and require a booster application.
Metalaxyl 8% + Mancozeb 64% WP is registered and labeled for use on: Grape, Potato, Mustard, Black Pepper, Pearl Millet.