RUSTS
Rusts are a specific type of fungal disease. Many of them require two different plant species as hosts to complete their life cycle. Typical rust symptoms include a powdery tan to rust-colored coating. Applying neem oil can help prevent rust by killing spores on the leaves.
Asparagus RustRusts are a specific type of fungal disease. Many of them require two different plant species as hosts to complete their life cycle. Typical rust symptoms include a powdery tan to rust-colored coating. Applying neem oil can help prevent rust by killing spores on the leaves.
This disease appears as a browning or reddening of the small twigs and needles, and a release of rusty, powdery spores. It overwinters on stalks and infects new shoots as they emerge the following spring. Rust is also carried to other plants by wind. To control, space plants to allow air circulation. Plant resistant cultivars. Remove infected plants and burn them in fall.
Other Rusts
Wheat rust, cedar-apple rust, and white pine blister rust require alternate hosts. Wheat rust needs barberry to survive, cedar-apple rust needs both juniper and an apple relative, and white pine blister rust needs a susceptible member of the currant family. Removing the alternate hosts in the area can control outbreaks.
Wheat rust, cedar-apple rust, and white pine blister rust require alternate hosts. Wheat rust needs barberry to survive, cedar-apple rust needs both juniper and an apple relative, and white pine blister rust needs a susceptible member of the currant family. Removing the alternate hosts in the area can control outbreaks.
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