Propagation of the endangered Del Mar manzanita (Arctostaphylos glandulosa ssp. crassifolia) through tissue culture from my ssp usa Watch Video

⏲ Duration: 4 min 33 sec
✓ Published: 12-Jun-2023

Description:
The Del Mar manzanita (Arctostaphylos glandulosa ssp. crassifolia) is an endangered perennial shrub native to San Diego County, CA, USA. Although their seeds may be banked for years, germination rates are exceedingly low. Scarification, acid exposure, and heat shock require considerable time and effort to achieve improved germination rates. Tissue culture is a viable alternative. Del Mar manzanita nutlets were cracked with a mechanical vise to free the seeds, which were then surface sterilized a