Dude dude dude , what happened to the top of your plant. lol . looks like nitrogen def.(Could be many reasons) on bottom.... brown spots i can't remember, another deff. and if they are white...bad news and so on and so forht ...the BEST thing to do is go to overgrow.com and find the sick plant section. there is a post with almost everything bad ,with pics that will help you. It's pretty extensive so it should help............GOOD LUCK !!!!!!!!!!!!!!!