yellow pistils?

gogrow

confused
ive got two plants about seven days into flowering and on one of them, the tops are yellow, even the new pistils. they are in soil and have been getting dilluted bloom nutes at every watering. cant post any pics at this time, but as i said, the new shoots and pistils are completely a deep yellow, all other growth is dark green, no burnt tips or yellowing. is this a problem, or likely just a genetic predisposition? i am also flowering under a 400w mh (i know hps is best, but all i have) and two 85w cfls. thanks in advance for any opinions.:joint:
 
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