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Table 2. Elongation of multiple shoot buds developed from pseudobulb explant of D. papebrae on 0.8% (w/v) agar solidified and liquid media with different kinds of PGRs.

Culture medium with different combinations and concentrations of PGRs

Average initial length (cm) of individual shoot bud

Average length (cm) of

individual shoot bud after 30d of culture on elongation medium

Increase in length** (cm) of

shoot bud within 30d of culture on elongation medium

Average initial length (cm) of individual shoot bud

Average length (cm) of

individual shoot bud after 30d of culture on elongation medium

Increase in length** (cm) of

shoot bud within 30d of culture on elongation medium

Solid media

Liquid media

MS + 3% (w/v) sucrose + 1.0 mg/l IAA + 0.5 mg/l BAP

1.65±0.15

3.78±0.09

2.13±0.12

1.40±0.11

3.64±0.08

2.24±0.14

MS + 3% (w/v) sucrose + 0.5 mg/l IAA + 1.0 mg/l BAP

1.58±0.09

4.49±0.12

2.91±0.16

1.35±0.13

4.36±0.16

3.01±0.11

MS + 3% (w/v) sucrose + 1.0 mg/l IAA + 1.0 mg/l BAP

1.40±0.11

3.86±0.14

2.46±0.10

1.52±0.12

4.25±0.11

2.73±0.14

MS + 3% (w/v) sucrose + 1.0 mg/l  NAA + 0.5 mg/l BAP

1.45±0.19

3.50±0.19

2.05±0.13

1.45±0.18

4.07±0.14

2.62±0.16

MS+3% (w/v) sucrose + 0.5 mg/l  NAA+1.0 mg/l BAP

1.70±0.11

4.68±0.10

2.98±0.17

1.52±0.08

4.63±0.17

3.11±0.12

MS + 3% (w/v) sucrose + 1.0 mg/l  NAA + 1.0 mg/l BAP

1.55±0.14

4.17±0.18

2.62±0.08

1.70±0.14

4.75±0.19

3.05±0.17

MS + 3% (w/v) sucrose + 1.0 mg/l Pic + 0.5 mg/l BAP

1.65±0.17

4.02±0.09

2.37±0.11

1.65±0.12

4.27±0.16

2.62±0.19

MS+3% (w/v) sucrose + 0.5 mg/l  Pic  + 1.0 mg/l BAP

1.52±0.09

4.54±0.15

3.02±0.19

1.52±0.17

4.56±0.10

3.04±0.16

MS + 3% (w/v) sucrose + 1.0 mg/l Pic  + 1.0 mg/l BAP

1.48±0.09

5.24±0.11

3.76±0.14

1.45±0.15

4.36±0.09

2.91±0.10

PM + 2% (w/v) sucrose + 1.0 mg/l IAA + 0.5 mg/l BAP

1.45±0.15

3.47±0.07

2.02±0.12

1.50±0.10

3.95±0.06

2.45±0.07

PM + 2% (w/v) sucrose + 0.5 mg/l IAA + 1.0 mg/l BAP

1.40±0.10

4.25±0.19

2.85±0.16

1.65±0.07

4.61±0.12

2.96±0.08

PM + 2% (w/v) sucrose + 1.0 mg/l IAA + 1.0 mg/l BAP

1.55±0.17

4.04±0.14

2.49±0.11

1.70±0.09

4.27±0.15

2.57±0.11

PM + 2% (w/v) sucrose + 1.0 mg/l  NAA + 0.5 mg/l BAP

1.60±0.18

3.76±0.15

2.16±0.13

1.45±0.17

3.73±0.14

2.28±0.13

PM + 2% (w/v) sucrose + 0.5 mg/l  NAA + 1.0 mg/l BAP

1.65±0.13

4.56±0.16

2.91±0.18

1.70±0.10

4.71±0.17

3.01±0.8

PM + 2% (w/v) sucrose + 1.0 mg/l  NAA + 1.0 mg/l BAP

1.70±0.08

4.35±0.07

2.65±0.17

1.75±0.18

4.49±0.11

2.74±0.9

PM + 2% (w/v) sucrose + 1.0 mg/l Pic + 0.5 mg/l BAP

1.52±0.19

3.67±0.17

2.15±0.13

1.80±0.12

4.21±0.09

2.41±0.7

PM + 2% (w/v) sucrose + 0.5 mg/l  Pic  + 1.0 mg/l BAP

1.50±0.16

4.26±0.13

2.76±0.17

1.52±0.13

4.53±0.07

3.01±0.13

PM + 2% (w/v) sucrose + 1.0 mg/l  Pic  + 1.0 mg/l BAP

1.65±0.12

4.07±0.12

2.42±0.14

1.55±0.08

4.30±0.16

2.75±0.10

 *All the values are mean ± SE, shoot length of each treatment contains 10 replicates.