Powdery mildew treatment is critical for protecting yields across various farms in Kenya. This fungal disease is easily recognized by a white, ash-like powder that covers leaves, stems, and sometimes pods.
Target Crops in Kenya
While it can affect almost any plant, powdery mildew is a major “headache” for:
Flowers: Especially Roses (common in Naivasha and Mt. Kenya regions).
Vegetables: French beans, Snow peas, Carrots, and Cucurbits (Pumpkins/Courgettes).
Fruit Trees: Mangoes and Papayas.
Traditional Greens: Managu (African Nightshade) and Sukuma Wiki (Kale).

Identifying the Damage
To implement an effective powdery mildew treatment, you must recognize the symptoms before they spread. When the fungus infects a plant, it clogs leaf pores and blocks sunlight. Look for:
White, flour-like patches on the upper surface of leaves.
Yellowing or curling of leaves as the infection progresses.
Stunted new growth and premature leaf drop.
Gray-brownish discoloration on pods (in peas and beans).
Prevention and Powdery Mildew Treatment
The best powdery mildew treatment starts with management practices that keep the fungus from taking hold:
Do Not Crowd Plants: Ensure proper spacing to allow air to flow freely.
Avoid Shade: Plant in sunny areas; the sun’s heat helps kill fungal spores.
Farm Hygiene: Promptly remove and safely dispose of infected leaves.
Smart Irrigation: Water the roots directly in the morning to avoid wet foliage at night.
Resistant Varieties: Use certified seeds that are resistant to mildew.
Kenagro Recommended Solutions
When the disease appears, professional powdery mildew treatment is necessary. We recommend these high-quality products from Kenagro Suppliers Limited:
Nomate Gold: A premier systemic fungicide containing Difenoconazole and Bupirimate. It is highly effective for both prevention and cure on tomatoes, snow peas, and mangoes.
Sulpow 500SC: A specialized liquid sulphur formulation (Sulphur 500g/L). It is the most cost-effective choice for preventative control in roses and snow peas.
Topguard 500SC: A broad-spectrum fungicide containing Thiophanate Methyl, excellent for controlling powdery mildew along with leaf spots and anthracnose.
Powdery Mildew FAQ
Q: What is the best Kenagro product for Powdery Mildew treatment?
A: Nomate Gold is the top-tier solution for its curative and systemic properties. For farmers looking for a preventative sulphur-based spray, Sulpow 500SC is highly recommended.
Q: What is the correct dosage for Nomate Gold?
A: The recommended dosage for Nomate Gold is 50ml per 20L of water. For Sulpow 500SC, the dosage is 40ml per 20L of water.
Q: Can I use Tabibu 500SC for Powdery Mildew on mangoes?
A: Yes, Tabibu 500SC is an excellent dual-purpose choice from Kenagro that treats both Anthracnose and Powdery Mildew on mangoes at a rate of 20ml per 20L of water.
Q: How often should I spray for effective powdery mildew treatment?
A: It is best to spray every 7 to 10 days, especially during humid weather. Always ensure thorough coverage of the leaf surfaces where the white powder is visible.
Crop Clinic

Aphids Control
Target Crops: Legumes, Peppers, Spinach, Tomato, Cucurbits, Carrot, Lettuce, Flowers & Maize.




