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Table 1 Analysis of variance (mean of squares) of genotype, light, and their interactions on growth factors and major compounds of essential oil in Melissa officinalis

From: LED light sources improved the essential oil components and antioxidant activity of two genotypes of lemon balm (Melissa officinalis L.)

Source of variation

df

Shoot fresh weight (g)

Shoot dry weight (g)

Leaf number

γ-3-carene

Linalool

Trans-Carveol

Citronellal

Citronellol

Citral

ß-Caryophyllene

Caryophyllen epoxide

Germacrene-D

Light

4

596.7**

14.3714.37**

75676.36**

7.144**

11.787**

15.9**

28.792**

17.412**

9.072**

9.072**

9.072**

9.072**

Rep (light)

10

6.69

0.65

884.54

0.009

0.12

0.12

0.12

0.008

0.012

0.012

0.012

0.012

Genotype

1

487.14**

5.61**

25317.07*

7.203**

0.300**

7.203*

12.675**

5.808**

0.192**

0.192**

0.192**

0.192**

Light*Genotype

4

50.97**

0.71**

22707.42**

2.665**

1.860**

0.798**

1.057**

1.698**

1.137**

1.137**

1.137**

1.137**

Error

10

2.83

0.32

876.4

0.017

0.008

0.008

0.008

0.012

0.008

0.008

0.008

0.008

  1. *, **significant variation at p ≤ 0.05 and p ≤ 0.01, respectively