Cedar-apple rust and related rust fungi need plants from two plant families to complete their life cycle. These fungi rarely cause serious damage to their hosts and do not require management in most ...

Healthy hawthorns usually withstand cedar-apple rust attacks easily. Hawthorns already suffering from stress such as trunk damage, drought or other pests may need treatment to eliminate the rust.

These rust fungi spend half of their life on one group of plants and the other half of their life on a completely different group of plants. A common example is cedar apple rust, which spends half of ...

Cedar-apple rust is a fungal infection that begins in a juniper family of trees, like cedars and junipers, and spreads its spores to apple and crabapple trees. Symptoms include red and yellow leaf ...