Fig. 2From: Improved node culture methods for rapid vegetative propagation of switchgrass (Panicum virgatum L.)Optimized node culture procedure from Alexandrova et al. [14]. A pretreatment step was added before shoot induction. PPM (0.2%) and Benomyl (5 mg/l) were added to both the pretreatment solution and the node culture medium for contamination control. Shoot-trimming before subculture was recommended for genotypes with fast growing shootsBack to article page