US Patent 7847167 Maize variety inbred PH128Z

A novel maize variety designated PH128Z and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PH128Z with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH128Z through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the variety PH128Z or a locus conversion of PH128Z with another maize variety.