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Leaf Spot in Acorn Squash
How to identify and treat leaf spot in Acorn Squash.
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Acorn Squash care requirements
water
Water deeply 1–2 inches per week; maintain consistent moisture during fruit development; reduce watering as fruits mature and begin hardening off
soil
Well-draining, fertile soil with pH 6.0–6.8; incorporate 2–3 inches of compost before planting; avoid compacted soil
light
Full sun; requires minimum 6–8 hours of direct sunlight daily for vigorous growth and fruit quality
symptoms
Symptoms to look for in Acorn Squash
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Acorn Squash
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Acorn Squash
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Acorn Squash
Water at soil level. Improve air circulation. Practise crop rotation.