The corn hybrid with rapid dry-down rate should be high starch and amy-lopectin content, low fat and glutenin content, and the percentage of embryo was small.

• 为获得脱水速率快的玉米，应着重选育淀粉、支链淀粉含量高，脂肪、谷蛋白含量少，胚占体积小的基因型杂交种。