Free tool · CIB&RC major uses
✓ CIB&RC list up to 30 September 2026 · checked 24 October 2026
Fungicides approved for cucumber in India
Every fungicide registered for cucumber in the official CIB&RC list of major uses: the disease, the dose per hectare, the water and the waiting period before harvest.
Fungicides (single ingredient)
8 uses · chemical| Product (as registered) | Disease | a.i. /ha | Product /ha | Water L/ha | Waiting days |
|---|---|---|---|---|---|
| Azoxystrobin 23% SC | Downy mildew, Powdery mildew | 125 gm | 500 | 500 | 5 |
| Copper Hydroxide 46.1% WG | Downey mildew, Powdery mildew, Angular leaf spot & Anthracnose | 375 | 1250 | 500 | 15 |
| Fluoxapiprolin 1.9 %w/w SC | Downy mildew | 20-25 | 1000-1250 | 375-500 | 5 |
| Mandipropamid 23.4% SC | Downy Mildew⚠ As printed (“100 g/a.i./L”); 400 ml/ha of a 23.4% SC is about 100 g a.i. per hectare, or 0.2 g per litre. | 100 g/a.i./L or 0.2 g a.i./L | 400 ml/ha or 0.8 ml/L | 500 | 7 |
| Metiram 70%WG | Powdery mildew | 875-1050 | 1250-1500 | 500 | 3 |
| Metrafenone 500 g/l SC | Powdery mildew | 125 | 250 | 500 | 7 |
| Tetraconazole 3.8% w/w EW | powdery mildew | 38 | 1000 | 500 | 10 |
| Tribasic Copper sulfate 34.5% SC | Downy mildew | 690 | 2000 | 500 | 7 |
Combination products
17 uses · two or more active ingredients| Product (as registered) | Disease | a.i. /ha | Product /ha | Water L/ha | Waiting days |
|---|---|---|---|---|---|
| Azoxystrobin 4.8% w/w + Chlorothalonil 40% w/w SC | Leaf spot, downy mildew and powdery mildew | 1.344 (0.144+1.2) | 3.0 | 500 | 3 |
| Ametoctradin 27%+ Dimethomorph 20.27% w/w SC | Downey mildew | 420-525 | 800-1000ml | 500 | 07 |
| Azoxystrobin 4.7% + Mancozeb 59.7% + Tebuconazole 5.6% WG | Downy mildew, Powdery mildew, Anthracnose | 1400 | 2000 | 500 | 10 |
| Benalaxyl 8% + Mancozeb 65% WP | Downy mildew | 200+1625 | 2500 | 500 | 5 |
| Copper Sulphate 47.15% + Mancozeb 30% WDG | Anthracnose and Downy mildew | 1178.75 + 750.0 | 2500 | 500 | 10 |
| Cymoxanil 8%+ Mancozeb 64% WP | Downy mildew | 1080gm | 1500gm | 500-600 | 10days |
| Dimethomorph 12% + Pyraclostrobin 6.7% WG | Downy mildew | 280.5 | 1500 | 500 | 10 |
| Fluopicolide 17.54% w/w + Cymoxanil 21.05% w/w SC | Downy mildew (Pseudoperonospora cubensis) | 97.3 + 116.8 | 555 | 500 | 10 |
| Fluoxapiprolin 2.65% w/w + Fluopicolide 17.70% w/w SC | Downy mildew | 15 + 100 - 18.75 + 125 | 500 - 625 | 500 | 5 |
| Fluxapyroxad 75 g/l + Difenoconazole 50 g/l SC | Powdery Mildew | 100-125 | 800-1000 | 500 | 10 |
| Fluxapyroxad 250g/l + Pyraclostrobin 250g/l SC | Powdery mildew | 100-125 | 200-250 | 500 | 10 |
| Iprovalicarb 8.4 % w/w + Copper oxychloride 68.2 % w/w (40.6 % w/w as Cu) WG | Downy mildew | 84+406- 105+507.5 | 1000-1250 | 500 | 5 |
| Mandipropamid 5% w/w + Mancozeb 60 % w/w WG | Leaf spot, Downy mildew | 1.63 | 2.5 | 500 | 5 |
| Metiram 44% + Dimethomorph 9% WG | Downy mildew | 1325 | 2500 | 500 | 24 |
| Metiram 55% + Pyraclostrobin 5% WG | Downy mildew disease | 900-1050 | 1500-1750 | 500 | 5 |
| Oxathiapiprolin 1.4% w/w + Azoxystrobin 14.46% w/w SC | Downy Mildew, Powdery Mildew and Alternaria Leaf Spots | 136 (12 + 124) – 153 (13.5 + 139.5) | 800-900 | 500 | 10 |
| Valifenalate 6% + Mancozeb 60% WG | Downy mildew | 120 +1200 to 150 + 1500 | 2000-2500 | 500 | 05 days |
Doses per hectare as listed: a.i. and product in grams or ml unless a unit is shown (kg, litres, %), water in litres. Waiting period = days from the last application to harvest. Where the list names the crop with a method (for example “seed treatment” or “nursery”), it is shown under the product. Values exactly as listed.
Fungicides for cucumber: short answers
Which fungicides are approved for downy mildew in cucumber?
The CIB&RC list of major uses gives 20 products for downy mildew on cucumber: Ametoctradin 27%+ Dimethomorph 20.27% w/w SC; Azoxystrobin 23% SC; Azoxystrobin 4.7% + Mancozeb 59.7% + Tebuconazole 5.6% WG; Azoxystrobin 4.8% w/w + Chlorothalonil 40% w/w SC; Benalaxyl 8% + Mancozeb 65% WP; Copper Hydroxide 46.1% WG; Copper Sulphate 47.15% + Mancozeb 30% WDG; Cymoxanil 8%+ Mancozeb 64% WP; Dimethomorph 12% + Pyraclostrobin 6.7% WG; Fluopicolide 17.54% w/w + Cymoxanil 21.05% w/w SC; Fluoxapiprolin 1.9 %w/w SC; Fluoxapiprolin 2.65% w/w + Fluopicolide 17.70% w/w SC; and more in the tables above. Check the dose and waiting period in the tables, and the approved label of the product you buy.
Which fungicides are approved for powdery mildew in cucumber?
The CIB&RC list of major uses gives 10 products for powdery mildew on cucumber: Azoxystrobin 23% SC; Azoxystrobin 4.7% + Mancozeb 59.7% + Tebuconazole 5.6% WG; Azoxystrobin 4.8% w/w + Chlorothalonil 40% w/w SC; Copper Hydroxide 46.1% WG; Fluxapyroxad 250g/l + Pyraclostrobin 250g/l SC; Fluxapyroxad 75 g/l + Difenoconazole 50 g/l SC; Metiram 70%WG; Metrafenone 500 g/l SC; Oxathiapiprolin 1.4% w/w + Azoxystrobin 14.46% w/w SC; Tetraconazole 3.8% w/w EW. Check the dose and waiting period in the tables, and the approved label of the product you buy.
Which fungicides are approved for leaf spot in cucumber?
The CIB&RC list of major uses gives 4 products for leaf spot on cucumber: Azoxystrobin 4.8% w/w + Chlorothalonil 40% w/w SC; Copper Hydroxide 46.1% WG; Mandipropamid 5% w/w + Mancozeb 60 % w/w WG; Oxathiapiprolin 1.4% w/w + Azoxystrobin 14.46% w/w SC. Check the dose and waiting period in the tables, and the approved label of the product you buy.
What is the waiting period for fungicides on cucumber?
Among the fungicides listed for cucumber, the waiting period between the last application and harvest ranges from 3 to 24 days. The shortest, 3 days, is for Azoxystrobin 4.8% w/w + Chlorothalonil 40% w/w SC; Metiram 70%WG. Always follow the waiting period on the label.
Is the CIB&RC list the final word on what I can use on cucumber?
No. The list says it is compiled for guidance, not for legal purposes. Use a product only for the crops and uses on its approved label and leaflet, at the label dose, and check that it is not banned or restricted.
Fungicides by crop
Sources: Central Insecticides Board and Registration Committee, Directorate of Plant Protection, Quarantine and Storage: Major uses of pesticides (registered under the Insecticides Act, 1968), Fungicides, up to 30.09.2026, based on certificates issued. The lists say: “The document has been compiled on the basis of available information for guidance and not for legal purposes.” NanoKheti is not a government body. Also from NanoKheti: Pesticide label checklist · Pesticide licence guide · Insecticides Act made simple.