Will Basketball Strength excersises stunt my growth?? Im confused!?

Hi! im 14 and i bought this vertical jump program and Im afraid it will stunt my growth...the creator of the program says it wont stunt your growth, but some people say it will.. heres a little bit of what the program is- 15 lb bicep curls, 40 lb leg press, 40 lb bench press, lots of jumping, some with weights, 20 lb maximum, and some more...i never go over 50 lbs in anything, so will it stunt my growth? Thanks guys! ;D