Abstract: The sea-buckthorn clones the plant.The sea-buckthorn root system is by multi-level interweaves mutually by the thick secondary root and the secondary root the composition netted shallow root group.The sea-buckthorn secondary root has the truncation to gather the rain water and the surface water,And controls releases the moisture content use the function.The truncation gathers,controls releases the moisture content the special structure this time to take root the cortex cell.The sea-buckthorn secondary root cortex cell center should the vacuole speech be gathers stores the moisture content the place,the living cytoplasm annulus is the regulative center which the moisture content gathers releases,The huge line grain of body group is a power which the moisture content gathers releases,The protoplasmic membrane and the middle lamella vacuole system with swallows soaks is regulating the moisture content,the material intercellular exchange take its superficial unique function unit as the signal,In the cell certain unclear reserve-materials possibly get up are understanding the adjustment function.The sea-buckthorn drought resistance mechanism this time takes root the physiological water storage,Saves the water used,The drought resistance degree and the root water-holding capacity concern.The sea-buckthorn is one kind of vegetative form adaption xerophyte.

Key words: Sea-buckthorn, Root system, Cortex cell, Ultrastructure

CLC Number: 

• S793.6