A novel hybrid maize variety designated 33D63 and seed, plants and plant parts
thereof, produced by crossing two Pioneer Hi-Bred International, Inc. proprietary
inbred maize lines. Methods for producing a maize plant that comprises crossing
hybrid maize variety 33D63 with another maize plant. Methods for producing a maize
plant containing in its genetic material one or more traits introgressed into 33D63
through backcross conversion and/or transformation, and to the maize seed, plant
and plant part produced thereby. This invention relates to the hybrid seed 33D63,
the hybrid plant produced from the seed, and variants, mutants, and trivial modifications
of hybrid 33D63. This invention further relates to methods for producing maize
lines derived from hybrid maize variety 33D63 and to the maize lines derived by
the use of those methods.