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White Spots in Cucumber
verifiedReviewed by the GreenScout Team
Cucumbers are fast-growing, warm-season vegetables producing crisp, refreshing fruits
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Cucumber care requirements
These care conditions are most relevant to white spots in Cucumber. Check each one as a potential cause.
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Humidity
Moderate. Too high causes disease.
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Water
Deeply and regularly. Consistent moisture essential; water stress causes bitter fruit.
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Light
Full sun — 8+ hours.
symptoms
Symptoms to look for in Cucumber
- fiber_manual_recordWhite powdery patches
- fiber_manual_recordWhite dots on leaves
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Common causes in Cucumber
- fiber_manual_recordPowdery mildew
- fiber_manual_recordMineral deposits from water
- fiber_manual_recordPest damage (mealybugs, scale)
troubleshoot
How to diagnose white spots in Cucumber
Powdery mildew: white powder that wipes off. Mineral deposits: hard white crust. Mealybugs: white cottony masses.
healing
How to treat white spots in Cucumber
For mildew: apply neem oil or baking soda solution. For deposits: wipe with diluted vinegar. For pests: treat with insecticidal soap.
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Preventing white spots in Cucumber
Good air circulation. Avoid overhead watering. Use filtered water.