Figure 2
From: High-throughput Agrobacterium-mediated barley transformation
The effect of additional copper on the growth of callus from immature barley embryos. (a) and (b) show immature embryo derived callus after 27 days culture on callus induction medium. (a): standard callus induction medium. (b): Callus induction medium with 5 μM CuSO4.