An inbred maize line, designated 402A, having good Rplg rust resistance, increased ear row number and ear length, and early emergence, the plants and seeds of inbred maize line 402A and descendants thereof, methods for producing a maize plant produced by crossing the inbred line 402A with itself or with another maize plant, and hybrid maize seeds and plants produced by crossing the inbred line 402A with another maize line or plant.
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