Do plants have an immune system?

in #stemq5 years ago (edited)

apple_tree.jpg

(The image is under Pixabay License).



It's obvious that plants don't have blood, hence they don't have white blood cells.


1
So, how do plants protect themselves from foreign invaders?

Who are those foreign invaders in case of plants?


2
Human immune system includes Natural killer cells (NK cells), which fight against host malfunctioning cells (tumor cells, virus-infected cells...).

What about plants?
Can they protect themselves against their own malfunctioning cells?



3
What impact do human activities have on plants immune system?

StemQ Notice: This post was originally submitted on StemQ.io, a Q&A application for STEM subjects powered by the Steem blockchain.

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Вітаю.

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