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. 2017 Nov 26;9(2):99–103. doi: 10.1016/j.jaim.2017.02.011

Table 3.

Effect of growth regulators for in vitro flowering in O. umbellata L.

Growth regulator Concentration (mg/l) Duration required No. of flowers % flower formed
Control
NAA 0.15
0.30 5 weeks 2.2 ± 0.4c 62.34 ± 0.8c
0.50 2.1 ± 0.2c 63.89 ± 1.6c
0.70 4.5 ± 0.5a 67.43 ± 1.3b
1.0 4.2 ± 0.2b 68.91 ± 0.7a
BA 0.5
1.0 3.7 ± 0.3 70.12 ± 1.7
1.5 5.5 ± 0.7a 74.33 ± 1.2a
NAA + CM 0.7 + 0.4% 2.3 ± 0.3 71.79 ± 1.1a
1.0 + 0.4% 3.4 ± 0.2a 69.22 ± 1.4
BA + CM 0.5 + 0.4% 4 weeks 2.2 ± 0.4 63.24 ± 1.8c
1.0 + 0.4% 4.6 ± 0.3 69.87 ± 1.3b
1.5 + 0.4% 12.3 ± 0.8b 78.65 ± 0.6a
NAA + BA + CM 0.7 + 1.0 + 0.4 % 13.4 ± 0.6a 80.87 ± 0.9a
0.7 + 1.5 + 0.4% 3 weeks 22.8 ± 0.7a 92.73 ± 1.4a
1.0 + 1.0 + 0.4% 15.8 ± 0.4 85.14 ± 0.8
1.0 + 1.5 + 0.4% 16.7 ± 0.3 86.67 ± 1.1

Values are mean ± SE, five cultures per treatment, repeated thrice. Within a column, means having the same letters are not significantly different at the 5% level according to Holm–Sidak test.