Why Arugula In My Garden Has White Dots On It

Question

My aragula has white dots specially on the.back Can you help me?

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Answer 1

It looks like white rust. Here is how to manage it:

https://ipm.ucanr.edu/agriculture/cole-crops/white-rust/

https://www.gardeningknowhow.com/edible/vegetables/lettuce/growing-arugula.htm

https://www.gardeningknowhow.com/plant-problems/disease/white-rust-disease.htm