Figure 1From: Overproduction of valuable methoxylated flavones in induced tetraploid plants of Dracocephalum kotschyi Boiss Flow cytometric histograms [A) 2×, B) 2×-4×, C) 4×], and root tip chromosome number of D. kotschyi in metaphase [D) diploid (2n = 2× = 20) and E) tetraploid (2n = 4× = 40)]. Back to article page