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Table 3 Effect of plant growth regulators in combination with MS medium on cormlet formation from in vitro raised shoots

From: Development of a system for efficient callus production, somatic embryogenesis and gene editing using CRISPR/Cas9 in Saffron (Crocus sativus L.)

Combination of PGRs used with other supplements

Response

BAP (mg/L)

NAA (mg/L)

TDZ (mg/L)

IAA (mg/L)

IBA (mg/L)

Sucrose (g/L)

Activated charcoal (g/L)

Paclabutrazole (mg/L)

No. of cormlets formed/flask (n = 5) Mean ± SE

4.5

8.0

–

–

–

3.0

–

–

1.6 ± 0.0048

–

–

1.0

–

0.5

3.5

–

2.0

0.2 ± 0.0032

–

–

0.5

1.0

–

4.0

0.1

–

6.8 ± 0.004

–

–

3

2

–

3.0

–

–

2.0 ± 0.008

–

–

1

0.5

–

6.0

–

–

2.2 ± 0.004

–

–

1

0.5

–

8.0

–

–

1.2 ± 0.004

  1. Number of explants inoculated per flask was ten; five replicates of each combination were laid (total number of explants 50/combination). Data was collected after 8 weeks