I've used more Qiagen DNEasy than anything over the past decade with good results. I modified for herbarium materia or silica-dried material according to Drabkova et al (2002?)...though their work was done on Juncus or something.
quote:Originally posted by vsoza
Has anyone had trouble getting good DNA yield from fresh-collected Rhododendron samples? If so, have you found a good protocol that has worked for problematic samples?