Downy mildew is a common fungal disease that affects cucurbits, which include plants such as cucumbers, melons, gourds, pumpkins, and squash. It is caused by the pathogen Pseudoperonospora cubensis. This disease is highly destructive and can cause significant losses in yield if not managed properly.
We’re here to help you out to take necessary preventive measures, identify the signs of pathogen, find the conditions favorable for its growth to avoid it and to act quickly if the symptoms are detected.
Downy mildew thrives under cool (15-20°C), wet and humid conditions. It spreads rapidly during periods of high humidity, such as rainy weather or heavy dew. The pathogen requires free moisture on the leaf surface for infection and development.
It can survive in infected plant debris, seeds and soil, but it primarily spreads through airborne spores. These spores can travel long distances on the wind and infect healthy plants. The disease can also be introduced through infected seedlings or transplants.
Spray the chemicals at 7 – 14 days interval depending on the disease intensity and weather conditions. Bio-fungicides and some of the chemical fungicides such as Mancozeb and Copper oxychloride mentioned below can also be sprayed before the disease incidence as a preventive measure.
Product name | Technical content | Dosage |
Biological Management | ||
Downy Raze | Botanical extracts | 2.5 ml/lit of water |
Anand Dr Bacto’s Fluro Bio Fungicide | Pseudomonas fluorescens | 2.5 ml/lit of water
|
Chemical Management | ||
Cabrio Top Fungicide | Metiram 55% + Pyraclostrobin 5% WG | 3 gm/lit of water |
Blitox Fungicide | Copper Oxychloride 50 % WP | 2 gm/lit of water |
Zampro Fungicide | Ametoctradin 27% + Dimethomorph 20.27% SC | 1.5 ml/lit of water |
Taqat Fungicide | Hexaconazole 5% + Captan 70% WP | 2 gm/lit of water |
Ridomil Gold | Metalaxyl 4% + Manconzeb 64% WP | 2 gm/lit of water |
Propi Fungicide | Propineb 70% WP | 3 gm/lit of water |
Moximate Fungicide | Cymoxanil 8% + Mancozeb 64% WP | 2 gm/lit of water |
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