不育系花药游离氨基酸的总含量和多数氨基酸的含量,都高于同核保持系,其中差异最显著的是天门冬酰胺和脯氨酸,前者不育系远比保持系高,后者则反之。不同类型不育系间各种氨基酸含量和总含量也存在有明显差异。恢复系各种游离氨基酸含量与保持系比较相似。不育系杂种随着育性的恢复,其脯氨酸含量迅速提高,天门冬酰胺和氨的含量迅速下降,趋向于正常可育系的含量。 The total content of free amino acids and the majority of amino acids in male sterile lines were higher than those in the same nuclear maintainer line, with the most significant difference being asparagine and proline. The former sterile line was much higher than the maintainer line while the latter on the contrary. Different types of sterile lines between the various amino acid content and total content there are also significant differences. Restoration lines of various free amino acids content and retention system is relatively similar. With the restoration of fertility, the proline content of the sterile line hybrids rapidly increased, the content of asparagine and ammonia decreased rapidly, and tended to the content of normal fertile lines.