low nitrogen treated ear sample (pollinated) from Zea mays inbred xu178
Zea mays
Intact seeds were sterilized, germinated, moved to the pots, and cultured in the open-air screen cage. Plants were grown with the same condition at the stage of V1 (seedling) and V6 (elongation). Low nitrogen group was treated with 0 g urea combining with 2.296 g KH2PO4 and 0.5712 g KCl while normal nitrogen group was treated with 2 g urea combining with 2.296 g KH2PO4 and 0.5712 g KCl at the stage of V12 and VT.