Table 11 Results of qualitative surveys at harvest.

From: Marine microalgae extracts as plant biostimulant to boost baby leaf lettuce production

Treatments

L

(−)

a

(−)

b

(−)

C

(−)

h

(−)

T1

45.97

− 8.87

b

13.09

a

15.82

a

− 55.98

ab

T2

44.40

− 4.90

a

9.13

b

10.36

b

− 61.76

c

T3

42.18

− 8.57

b

9.27

b

11.58

ab

− 58.41

b

T4

44.28

− 10.13

b

15.37

a

16.84

a

− 54.11

a

  1. T1: control; T2: commercial biostimulant “Agrialgae®”; T3: N. gaditana 1:100; T4: Porphyridium sp. 1:100; L: brightness index; a: red index; b: yellow index; C: chroma; h: hue angle. Different letters correspond to statistically significant differences for p < 0.05.
Back to article page