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Leaf Miners on Fruit Trees: Homemade Oil Sprays Work—Test First, Reapply Weekly

Homemade Spray Advice

Test on few leaves; wait 3 days for burn.
Oil-based recipes better than soap for leaf miners.
Nicotine extracts also effective.
Reapply weekly; homemade sprays lack stickers.
Scout new growth for fresh mines.

Resources

Note

Sprays kill miners but don't heal damaged leaves. Monitor new foliage.

Plant Diseases: Citrus Leaf Curl in March: Likely Leafminer, Not Disease—Organic Management Tips; Plum Tree with Jelly-Like Sap: Borer Infestation; Mulberry Leaf Curl Disease in Western Colorado; Oak Leaf Blister on Water Oak: A Common Spring Disease; Citrus Leafminer: Atomic Grow Organic Suppression in Florida; Poplar Leaf Spot: Fungus, Not Insects—Sanitation + Fungicide; Caterpillar Frass and Early Leaf Drop on Oak; Identifying Trees by Leaf Characteristics: A Field Guide; Black Spot (Diplocarpon rosae): Not Just Roses—Identification & Multi-Pronged Control; Anthracnose on Shade Trees: Identification, Biology, and Management

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