What is wrong with my outdoor plants??

gosuv25

Member
Ok so i'm doing an outdoor grow and have 10 plants and 4 of them are in 2 automatic waterers (2 in each). 1 of the plants has these whitish odd shaped spots on the lower leaves. I can't figure it out and I've been looking for a week! I'm praying it's not mildew but i don't think it is and I've looked at a lot of plant diagnosis forums and still can't figure it out. I need an experts opinion since this is only my 3rd grow. Thank you!!!!
 

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