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Table 1 The effect of different concentrations of colchicine treatment on survival rate and ploidy induction of D. kotschyi

From: Overproduction of valuable methoxylated flavones in induced tetraploid plants of Dracocephalum kotschyi Boiss

Colchicine (%) No. of observed plant Survival rate (%) Ploidy level (%)
Diploid Mixoploid Tatraploid
Control 50 100 50 (100) 0 0
0.05 50 76 29 (58) 5 (10) 4 (8)
0.1 50 68 26 (52) 4 (12) 2 (4)
0.2 50 64 25 (50) 6 (8) 3 (6)
0.5 25 44 1 (4) 7 (28) 3 (12)
Total 225 - 131 22 12