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Rust in Switchgrass
How to identify and treat rust in Switchgrass.
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Switchgrass care requirements
water
Moderate water during establishment; once mature, very drought-tolerant and requires minimal supplemental watering. Tolerates wet to dry conditions
soil
Highly adaptable to poor, sandy, clay, and loamy soils; prefers well-draining conditions. pH 5.0–8.0 acceptable
light
Full sun required for best color development and dense growth; minimum 6 hours direct sunlight daily
symptoms
Symptoms to look for in Switchgrass
- fiber_manual_recordOrange or brown pustules on leaf undersides
- fiber_manual_recordYellow spots on leaf tops
- fiber_manual_recordPremature leaf drop
help
Common causes in Switchgrass
Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.
healing
How to treat rust in Switchgrass
Remove and destroy infected leaves. Apply copper or sulphur fungicide.
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Preventing rust in Switchgrass
Avoid overhead watering. Space plants adequately. Clear debris.