Everything to Know About Rust Plant Disease: Signs & Causes

Have you ever heard of a rust plant disease? What causes it and how to identify it? How does it affect plants and what measures can we do to control it? In this two-part blog, we will be highlighting all of these.

In this industry, we strive to keep our plants healthy so we can deliver quality produce to the market and gain better profitability. That’s why it is highly important to be aware of the diseases that can affect the growth of our plants.

Rust Plant Disease

Rust plant disease is a fungal disease affecting a wide range of woody and herbaceous plants. Although it may not kill the plants, it immensely affects a plant’s health, vigor and flower production.

Rust fungi are usually host-specific because each specie has evolved ways to resist its host’s defenses. Rarely, most rust fungi can harm only selected groups that are closely related to their specific host.

What Causes Rust Disease

Airborne spores make it difficult to control infection of rust disease. Once it has entered an area, it will be extremely hard to get rid of.

Spores can also spread through water which is why rust disease can also spread after watering.

Signs of Rust Disease Infestation

Rust disease can show in many forms and it may affect a wide range of plants. It’s somehow easy to remember how it looks like as its appearance matches its name:

“rust”. Rust disease looks the same with the rust found on metal surfaces.

Here are what you can look for to check your plants have rust disease.

 Yellow or white spots on top of the leaves

 Red to orange blisters underneath the leaves

 Orange or yellow streaks

 Spores

 Leaf distortion

Learn about the ways to manage and prevent rust plant diseases on the second part of this blog.