Light stress induced the appearance of 4 aromaticconstituents like 2-methyl hexadecane, while medium stress induced that of 6 constituents as H1-docosanol.

• 2-甲基十六醇等4种物质只在轻度侵害处理中出现，而二十二碳-1-醇等6种物质只在中度侵害处理中出现；