It was obvious of pyramid and interaction effect among restoring genes.The restoring capacities of current restorers could be improved by using the interaction effects among restoring genes.

• 这些结果表明，不同恢复系间彼此累加杂交，恢复力存在明显的互作效应，可以进一步挖掘主、微效基因之间的互作效应来改良恢复系的恢复能力；