No, though if you want to be 100% safe, use a special mask, but if you don't have one just a cloth or scarf will let you to be safe for about 1 hour
Answer:
I'd like to help but the question is not clear....
could u edit the question and send it again.
mycorrhizae always beneficial for plants growth. and it is clear from the graphic illustration. yes some species get more influenced by mycorrhizae, here in this experiment the affect of mycorrhizae is more on lemon tree than Aspen and spruce.