Table 5 Mean values of nitrogen balance (NBIG and NBIR), chlorophyll (SFRG and SFRR), flavonoids (FLAV) and purple lettuce anthocyanins (ANTHRG and ANTHRB) indices grown in different photo-selective screens and in full sun.

From: Photo-selective shading screens as a cover for production of purple lettuce

Treatments

NBIG

NBIR

SFRG

SFRR

FLAV

ANTHRG

ANTHRB

T-Red

1.47 a

0.92 a

1.18 b

1.04 b

0.03 c

0.128 b

− 0.763 b

T-Black

1.45 a

0.91 a

1.22 ab

1.05 ab

0.04 c

0.136 b

− 0.761 b

T-Silver

1.56 a

0.91 a

1.42 a

1.14 ab

0.09 b

0.142 ab

− 0.706 a

T-Control

1.47 a

0.90 a

1.43 a

1.16 a

0.16 a

0.208 a

− 0.708 ab

CV%

8.43

15.79

10.68

6.37

20.21

26.14

4.44

  1. Means followed by the same letter do not differ from each other at the 5% probability level (p < 0.05) by the Tukey test.
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