In order to find how Na2SeO3 enhancing the biosynthesis of GSH-Px, transcription inhibition Actinomycin D(AMD) and translation inhibitor cyclonheximide (CHM) were used.

• 麦苗生长三天后，在含0.；75mg/l的Na_2SeO_3培养液中加入不同浓度的抑制剂，根施麦苗。