A pBarGUS DNA plasmid was introduced into germinating maize pollen by electroporation and the pollen used to pollinate emasculated corn plants.
(A pBarGUS DNA plasmid; was introduced; into germinating maize pollen by electroporation and the pollen) (the pollen; used; to pollinate emasculated corn plants)
A pBarGUS DNA plasmid the pollen
was introduced used
into germinating maize pollen by electroporation and the pollen
to pollinate emasculated corn plants