How to Identify and Treat 5 Common Arugula Diseases

How to Identify and Treat 5 Common Arugula Diseases

There are some plants that make you acutely aware of the presence of diseases in the world. They seem to attract any and every pathogen wandering around out there.

If roses popped into your mind while reading that sentence, we are on the same wavelength. I love them, but a season without a single disease is a miracle!

On the other end of the spectrum, there are some plants that might make you forget that disease is even a thing.

For example: arugula. That beloved peppery green in the cole crop family seems to be ignored by fungi, bacteria, and oomycetes.

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But in reality? It’s not, though. Pathogens can attack arugula, and when they do, things can go from good to bad really quickly.

One day, everything’s coming up, er… roses? And the next, the leaves of your greens are collapsing in a yellow or brown heap.

Take heart. On the bright side, if you catch problems early on, most are pretty easy to address, and you can still see a happy, healthy harvest.

Here’s the list of diseases that we’re going to go over:

Now that you know the suspects to watch for, you need to understand the symptoms of these ailments and what to do about them.

Let’s start with the sole bacterial disease on this list:

Pseudomonas cannabina pv. alisalensis (formerly P. syringae pv. alisalensis) andXanthomonas axonopodis are both types of bacteria that can cause a disease known as bacterial leaf spot.

As you may have guessed, the symptoms include spots on the leaves. These look like small, angular, water-soaked spots at first, either with or without yellow haloes.

These