Tony Gurnoe, of the San Diego Botanic Garden, presented an overview of Quercus cedronsensis at the 2021 Channel Islands and California Native Oak Workshop. He discussed the range, distinguishing characteristics, habitat, and species specific threats, as well as recent conservation efforts. The San Diego Botanic Garden has collected acorn and tissue, and has successfully propagated […]
From USFS funded germination trials in 2018 at The Arboretum at Flagstaff […]
Peter Zale, Longwood Gardens Despite significant advances in seed propagation and production of lady’s slipper orchids (Cypripedium spp.) in the last 25 years, the genus remains rare in ex situ collections, access to seedlings from local populations that may capture important genetic diversity is rare, they are expensive to purchase, and there are still inconsistencies and […]
Billy Sale, California Botanic Garden California Botanic Garden (CalBG) is in the process of seed bulking three rare species of Atriplex from populations originating in southern California. Atriplex coronata var. notatior (G4T1), Atriplex parishii (G2G3) and Atriplex serenana var. davidsonii (G5T1). To better inform the project, propagation trials were performed prior to seed bulking in order to examine germination pretreatments. Gibberellic acid was identified as the most […]