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Table 2 Changes of endogenous hormones in the control and GA3-treated P. notoginseng seeds during after-ripening process

From: Exogenous gibberellic acid shortening after-ripening process and promoting seed germination in a medicinal plant Panax notoginseng

Endogenous hormone (ng/g)

Time (d)

Sample

CK

GA3 50 mg/L

GA3 500 mg/L

GA3

0

0.432 ± 0.078

4.006 ± 0.358

27.851 ± 2.118*

30

0.197 ± 0.059

2.914 ± 2.582

15.118 ± 2.277*

50

0.293 ± 0.244

0.788 ± 0.073

9.100 ± 0.948*

ABA

0

0.250 ± 0.045

0.228 ± 0.044

1.050 ± 0.474

30

0.154 ± 0.013

0.154 ± 0.023

0.182 ± 0.016

50

0.116 ± 0.026

0.105 ± 0.007

0.102 ± 0.007

IAA

0

20.465 ± 1.548

19.608 ± 1.091

19.756 ± 1.652

30

12.695 ± 1.106

13.513 ± 2.230

11.191 ± 0.930

50

7.108 ± 2.390

7.812 ± 1.471

8.167 ± 1.464

  1. The values are means ± SD(n = 3)
  2. *P < 0.05, significant differences between the control and GA3 treatments
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BMC Plant Biology

ISSN: 1471-2229

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