It might stress it slightly and you may notice slower growth for a week or so, but probably not. It should be just fine. Some people do that on purpose, believe it or not. I have broken stems completely off, taped them back together, and they recovered nicely.
Opie Yutts Reviewed by Opie Yutts on . 2nd Cab grow well this will be my 2nd second grow in the cab, i have 3 Hindu kush witch i picked up from Ontario seed bank (Toronto). and 2 seeds that i got out of some "critical mass" bud the two "crit" seed are in the flowering chamber now(2 70watt hps, 125cfm in-line fan), there wasn't enough room in my veg chamber after i transplanted them all into 5 gal "grow bags" ill post picture tomorrow Rating: 5