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 ...

Caused by the fungus Gymnosporangium globosum, this disease affects the leaves of the ... Hawthorns already suffering from stress such as trunk damage, drought or other pests may need treatment to ...

Caring for an apple tree with cedar-apple rust is important for ensuring healthy fruit production. Cedar-apple rust is a fungal disease. The fungus lives on both juniper trees, including the red cedar ...

Some rust fungi have an ‘alternate host’. 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 ...