Ratna Gymnast Gold
Metiram 44% + Dimethomorph 9% WG
Ratna Gymnast Gold (Metiram 44% + Dimethomorph 9% WG) is an advanced combination fungicide from Ratnakar India Ltd, Ahmedabad — India's trusted agrochemical manufacturer, supplier, and exporter. Metiram (multi-site contact, EBDC) and Dimethomorph (systemic, CAA fungicide inhibiting cell wall synthesis) together provide comprehensive contact and systemic control of Downy Mildew on grapes and cucumber. The dual mode of action delivers both protective and curative activity while managing resistance risk. Manufactured and exported by Ratnakar India from Gujarat, Ratna Gymnast Gold is a premium combination fungicide for progressive farmers growing grapes and cucumbers where Downy Mildew poses the most critical crop protection challenge.
| Mode of Action | Contact and systemic activity |
|---|---|
| Major Crops | Grapes, Cucumber |
| Target Diseases | Downy mildew |
| Packing | 300 gm, 600 gm, 1 kg |
FAQ for Ratna Gymnast Gold
What disease does Ratna Gymnast Gold control?
Ratna Gymnast Gold controls Downy Mildew (Plasmopara viticola in grapes, Pseudoperonospora cubensis in cucumber) — the most economically damaging disease affecting grape and cucumber production.
How do Metiram and Dimethomorph complement each other?
Metiram provides broad-spectrum multi-site protective contact activity while Dimethomorph's systemic CAA action inhibits cell wall synthesis in oomycetes — together delivering protective plus curative disease management.
What is Dimethomorph's specific mode of action?
Dimethomorph inhibits phospholipid biosynthesis and disrupts cell wall formation specifically in oomycete pathogens (Plasmopara, Pseudoperonospora, Phytophthora), providing targeted curative activity against Downy Mildew.
Does Ratna Gymnast Gold help in resistance management?
Yes, the combination of multi-site Metiram contact activity with single-site Dimethomorph systemic action significantly reduces selection pressure and resistance development risk in Downy Mildew populations.
When should Ratna Gymnast Gold be applied in grapes?
Apply Ratna Gymnast Gold preventively before Downy Mildew infection periods or at first disease signs in grapes. Use at 10–14 day intervals during the high-risk monsoon and post-monsoon periods.