Table 2 Results of the range and ANOVA of the L9 (33) matrix for the influence of combined, irradiances of LEDs light (Factor A), light spectral ratios (Factor B), and photoperiod (Factor C) on photosynthetic pigments content and biochemical traits of cucumber seedlings.

From: Increasing the performance of cucumber (Cucumis sativus L.) seedlings by LED illumination

  

Chlorophyll a

Chlorophyll b

Total chlorophyll

Carotenoid

Total chlorophyll/ carotenoid

Nitrate content

Soluble protein

Soluble sugar

Factors

Value

R

P

R

P

R

P

R

P

R

P

R

P

R

P

R

P

A

0.73

< 0.0001

1.70

< 0.0001

2.09

< 0.0001

5.36

< 0.0001

0.037

0.0130

630.00

< 0.0001

5.68

< 0.0001

3.32

< 0.0001

B

0.15

0.0078

0.37

0.0826

0.53

< 0.0001

0.89

0.0551

0.027

0.0063

193.33

< 0.0001

1.25

< 0.0001

0.68

0.0131

C

0.04

0.0504

0.08

0.1458

0.41

< 0.0001

0.32

0.4363

0.070

0.0004

63.33

0.0404

0.26

0.0336

0.14

0.8695

ELF

A > B > C

A > B > C

A > B > C

A > B > C

C > A > B

A > B > C

A > B > C

A > B > C

BCm

A3B3C2

A3B3C2

A3B3C2

A3B3C2

A1B3C3

A1B3C3

A1B3C3

A3B3C2

  1. Where: Range value (R), the range of difference between the maximum and minimum average; ELF, The most influential level factors on the parameter gradually; BCm, The best level combination for each parameter; (P-value), ANOVA analysis of variance.
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