Micropropagation of an Exotic Ornamental Plant, Calathea crotalifera, for Production of High Quality Plantlets
Table 4
Effects of different concentrations and combinations of cytokinin and auxin on shoot production from two different sources of explants in red C. Crotalifera (CCR).
BAP (mg/L)
Kinetin (mg/L)
NAA (mg/L)
Number of shoots
Height of shoot (cm)
Percentage of leaf (%)
Apical
Axillary
Apical
Axillary
Apical
Axillary
2.5
—
0.5
1.00 ± 0.00abc
1.80 ± 0.20a
1.80 ± 0.20A
2.13 ± 0.03A
0.00a
81.10a
2.5
—
1.0
1.00 ± 0.00abc
2.20 ± 0.20a
1.90 ± 0.11AB
2.25 ± 0.02AB
0.00a
83.10ab
3.0
—
0.0
0.90 ± 0.24abc
2.00 ± 0.00a
2.22 ± 0.09CDEF
3.64 ± 0.10D
4.30b
83.36ab
3.0
—
0.5
1.20 ± 0.37abcd
2.40 ± 0.40a
2.11 ± 0.03BCDE
3.63 ± 0.10D
0.00a
83.66ab
3.0
—
1.0
1.20 ± 0.37abcd
2.20 ± 0.37a
2.31 ± 0.08DEF
4.47 ± 0.16E
6.80c
91.54cd
3.5
—
0.0
1.60 ± 0.24cd
3.60 ± 0.40bc
2.28 ± 0.07DEF
4.49 ± 0.23E
9.70d
99.60f
3.5
—
0.5
1.60 ± 0.24cd
3.80 ± 0.37bc
2.35 ± 0.05EF
4.63 ± 0.17EF
4.74b
100.00f
3.5
—
1.0
2.00 ± 0.32d
4.40 ± 0.24c
2.40 ± 0.04F
4.85 ± 0.12F
4.30b
98.80ef
4.0
—
1.0
1.40 ± 0.24bcd
3.40 ± 0.51b
2.04 ± 0.05ABCD
3.06 ± 0.16C
0.00a
93.70de
5.0
—
1.0
0.60 ± 0.24ab
2.00 ± 0.32a
1.99 ± 0.06ABC
3.24 ± 0.07C
0.00a
83.00ab
6.0
—
1.0
0.40 ± 0.24a
1.60 ± 0.24a
1.96 ± 0.12ABC
2.31 ± 0.06AB
0.00a
81.10a
—
1.5
1.0
1.20 ± 0.20abcd
2.00 ± 0.00a
2.07 ± 0.04ABCD
3.16 ± 0.05C
0.00a
83.26ab
—
2.5
1.0
1.40 ± 0.24bcd
2.00 ± 0.32a
2.04 ± 0.04ABCD
3.22 ± 0.03C
0.00a
81.86a
—
3.5
1.0
0.60 ± 0.24ab
1.80 ± 0.37a
2.16 ± 0.05BCDEF
2.56 ± 0.12B
0.00a
85.00ab
—
4.5
1.0
1.40 ± 0.24bcd
1.80 ± 0.20a
2.09 ± 0.06BCDE
3.19 ± 0.12C
0.00a
88.10bc
Mean ± SE, n = 10. Different letters indicate significant differences between media at P = 0.05.