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Rust in Jerusalem Artichoke
How to identify and treat rust in Jerusalem Artichoke.
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Jerusalem Artichoke care requirements
water
Drought-tolerant once established; water moderately during growing season. Approximately 1 inch per week. Overwatering can lead to rot.
soil
Tolerates poor to average soil; prefers well-draining loam. pH 5.5–7.5. Amend with compost to improve structure. Performs well even in neglected sites.
light
Full sun (6–8 hours minimum) for best tuber production and flowering.
symptoms
Symptoms to look for in Jerusalem Artichoke
- fiber_manual_recordOrange or brown pustules on leaf undersides
- fiber_manual_recordYellow spots on leaf tops
- fiber_manual_recordPremature leaf drop
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Common causes in Jerusalem Artichoke
Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.
healing
How to treat rust in Jerusalem Artichoke
Remove and destroy infected leaves. Apply copper or sulphur fungicide.
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Preventing rust in Jerusalem Artichoke
Avoid overhead watering. Space plants adequately. Clear debris.