Table 8 Some morphological properties of E. purpurea growing under different fertilizer treatments.

From: Improving growth properties and phytochemical compounds of Echinacea purpurea (L.) medicinal plant using novel nitrogen slow release fertilizer under greenhouse conditions

Property

Slow release fertilizer

Urea

50 mM

100 mM

150 mM

50 mM

100 mM

150 mM

Height (cm)

74.60c ± 2.53

83.10b ± 2.82

105.20a ± 3.21

49.30e ± 2.10

66.80d ± 2.25

71.50c ± 2.60

Total fresh leave weight (g plant−1)

21.86bc ± 0.28

25.67b ± 0.56

33.19a ± 1.13

14.22d ± 0.11

19.23c ± 0.15

23.14b ± 0.49

Fresh rhizomata cum radicibus weight (g plant−1)

41.29c ± 1.15

53.20b ± 1.22

65.43a ± 1.40

16.32e ± 0.75

24.10d ± 0.90

29.36d ± 0.98

Chlorophyll a (mg g−1 FW)

12.36c ± 1.23

15.24b ± 1.32

20.10a ± 1.56

9.89e ± 0.62

12.10c ± 0.84

16.35d ± 0.55

Chlorophyll b (mg g−1 FW)

4.13bc ± 0.14

5.21b ± 0.16

7.54a ± 0.26

3.10d ± 0.11

4.56bc ± 0.14

5.19b ± 0.19

Leaf area (cm2)

38c ± 1.26

43b ± 2.26

55a ± 2.96

22e ± 0.59

30d ± 0.91

36c ± 1.52

  1. Data were expressed as the mean of three replicates ± standard deviation (n = 3).
  2. Values within a row followed by different letters are significantly different at the 0.01 probability level.