Crop diseases
Lemon Diseases
Disease names frequently listed for Lemon varieties. Prefer resistant cultivars and cultural prevention where possible.
Diseases mentioned for this crop
- Powdery Mildew 16 mentions
- Brown Rot 13 mentions
- Fire Blight 11 mentions
- Apple Scab 10 mentions
- Leaf Spot 7 mentions
- Cedar Apple Rust 7 mentions
- Bacterial Spot 7 mentions
- Bacterial Canker 4 mentions
- Peach Leaf Curl 4 mentions
- Black Knot 4 mentions
- Fig Rust 3 mentions
- Bitter Pit 2 mentions
- Pear Scab 2 mentions
- Leaf Curl 2 mentions
- Leaf Blight 2 mentions
- Root Rot In Poorly Drained Soils 1 mentions
- Cytospora Canker 1 mentions
- Root Rot (In Poorly Drained Soil 1 mentions
- Root Rot In Wet Conditions 1 mentions
- Heart Rot 1 mentions
- Bacterial Blight (Rare 1 mentions
- Silver Leaf 1 mentions
- Fire Blight (Resistant 1 mentions
- Sooty Blotch 1 mentions
- Pear Scab (Minor 1 mentions
- Cedar-Apple Rust (Minor 1 mentions
- Very Resistant To Fire Blight 1 mentions
- Fire Blight In Humid Areas 1 mentions
- Apple Scab (Moderate 1 mentions
- Highly Resistant To Major Apple Diseases 1 mentions
- Occasional Minor Leaf Spot 1 mentions
Resistance notes from varieties
- Moderate resistance to apple scab, susceptible to fire blight and bitter pit
- Susceptible to fire blight and pear scab
- Susceptible to brown rot and bacterial canker
- Generally disease resistant, good pest resistance
- Moderate resistance to fire blight, susceptible to apple scab
- Moderate resistance to brown rot, requires regular fungicide program
- Good resistance to cracking, moderate disease resistance
- Moderate resistance to scab, susceptible to fire blight and powdery mildew
FAQ: diseases of Lemon
What diseases affect Lemon?
Cultivar notes commonly mention Powdery Mildew, Brown Rot, Fire Blight, Apple Scab, Leaf Spot, Cedar Apple Rust, Bacterial Spot, Bacterial Canker, Peach Leaf Curl, Black Knot, Fig Rust, Bitter Pit. Choose resistant varieties where available and improve airflow / drainage to reduce risk.
Lists are aggregated from cultivar notes, not a lab diagnosis. Confirm with local extension before treating.