Table 3 P5CS and OAT activity accompanying by proline accumulation during rose flowers development from bud opening to petal senescence.

From: Phytosulfokine α (PSKα) delays senescence and reinforces SUMO1/SUMO E3 ligase SIZ1 signaling pathway in cut rose flowers (Rosa hybrida cv. Angelina)

Flower development stages

P5CS activity

(U kg−1)

OAT activity

(U kg−1)

Proline accumulation

(mmol kg−1 FW)

Stage 1

11.93 ± 0.81 c

8.25 ± 0.61 d

15.46 ± 0.34 e

Stage 2

15.37 ± 1.42 bc

11.28 ± 0.93 d

26.57 ± 1.55 d

Stage 3

22.33 ± 1.84 b

13.27 ± 0.49 cd

38.97 ± 3.40 c

Stage 4

38.97 ± 3.82 a

17.26 ± 1.15 c

55.86 ± 3.59 b

Stage 5

38.62 ± 3.83 a

39.32 ± 3.19 a

69.13 ± 4.79 a

Stage 6

33.07 ± 2.21 a

32.64 ± 1.96 b

54.51 ± 2.70 b

Significant

**

**

**

CV

16.79

14.24

12.31

LSD (P < 0.05)

7.98

5.15

9.51

  1. Data shown are mean values of n = 3, and the error bars represent standard errors of the means. Mean values followed by different letters indicate they are different by LSD test at P < 0.05.
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