Brown Patch
Brown Patch is caused by a fungus and usually occurs in late spring, summer and autumn when the weather is warm and humid.
Uredo rangelii
What is Myrtle Rust
Myrtle rust is a new-to-Australia fungal disease that was first diagnosed in NSW in April 2010. It affects members of the Myrtaceae family, which includes bottlebrush, eucalyptus, lillypillies, willow myrtle (Agonis spp), austromyrtus, melaleucas etc. See the list of host plants at the National Pests & Disease website. Young plants and soft new growth are most likely to be infected.
Symptoms
Can start with small purplish spots. Develops mature bright yellow, powdery spores on leaves and, sometimes, fruit. Leaves can become contorted and purplish-red pigmentation can occur. Soft plant material can die.
Plants impacted
- Bottlebrush
- Eucalyptus
- Lillypillies
- Willow Myrtle
- Austromyrtus
- Melaleucas
Sunburn
Sunburn may affect plants that are exposed to very hot weather.
Myrtle Rust
Myrtle rust is a new-to-Australia fungal disease that was first diagnosed in NSW in April 2010.
Iron Deficiency
Iron deficiency is a plant disorder which can sometimes be confused with manganese deficiency.
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