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Table 2 Some selected anatomical and physiological characteristics of diploid, mixoploid and tetraploid plants of D. kotschyi

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

 

Stomata

Chlorophyll (mg/g FW)

Trichome density

Planting to flowering time (month)

Fruit set

 

Density (no./mm2)

Length (μm)

Width (μm)

a

b

Total

2×

202.8 ± 28.8 a

20.01 ± 2.42 b

5.63 ± 1.06 b

0.55 ± 0.01 c

0.246 ± 0.03 c

0.80 ± 0.03 c

Low

6

High

2× + 4×

103.7 ± 13.3 b

33.02 ± 3.18 a

11.64 ± 1.77 a

1.01 ± 0.05 b

0.337 ± 0.03 b

1.35 ± 0.07 b

Medium to high

7

Low

4×

68.8 ± 14.0 c

36.42 ± 5.21 a

12.27 ± 1.64 a

1.15 ± 0.05 a

0.658 ± 0.06 a

1.81 ± 0.11 a

High

8

Low

  1. Different letters within the column indicate a highly significant difference of mean (±SD) tested by Tukey’s Studentized Range (HSD) at p ≤ 0.01. The data were analyzed from 10 replications of each treatment.