Fig. 3From: Isolation, purification and PEG-mediated transient expression of mesophyll protoplasts in Camellia oleiferaEfficiency of mesophyll protoplast isolation from leaves of different age collected from in vitro grown seedlings of C. oleifera. A Undeveloped leaves; B the 1st to 2nd true leaves; C the 3rd to 4th true 1eaves. The scale bars = 50 μmBack to article page