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Leaf Spot in Butternut Squash
How to identify and treat leaf spot in Butternut Squash.
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Butternut Squash care requirements
water
Water deeply 1–2 inches per week during growing season; reduce watering as fruits mature to concentrate sugars; allow soil surface to dry between waterings
soil
Well-draining, nutrient-rich soil with pH 6.0–6.8; amend with 2–3 inches of compost before planting; prefers warm soil
light
Full sun; requires 6–8 hours of direct sunlight daily for optimal vine growth and fruit maturation
symptoms
Symptoms to look for in Butternut Squash
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Butternut Squash
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Butternut Squash
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Butternut Squash
Water at soil level. Improve air circulation. Practise crop rotation.