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Leaf Spot in Blackcurrant
How to identify and treat leaf spot in Blackcurrant.
potted_plant
Blackcurrant care requirements
water
Keep soil consistently moist during growing season; mulch to retain moisture in hot climates
soil
Rich, fertile soil with good drainage and high organic matter; slightly acidic pH (6.0–6.5) optimal
light
Full sun to partial shade; 4+ hours of sun; tolerates shade better than other Ribes species
symptoms
Symptoms to look for in Blackcurrant
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Blackcurrant
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Blackcurrant
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Blackcurrant
Water at soil level. Improve air circulation. Practise crop rotation.