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Table 4 Regression analysis between carotenoid genes and yellow index and yellow pigment content in a tetraploid wheat collection evaluated in six and two environments, respectively

From: The carotenoid biosynthetic and catabolic genes in wheat and their association with yellow pigments

Gene

SNP id

Wheat map position

Yellow Index

Yellow Pigment Content

 

Chrom.

Durum map

Bread map

-log10(P)

Effect

R2

-log10(P)

Effect

R2

PSY1

IWB6923

7AL

203.2

-

9.2***

1.37

16.8

5.2***

1.30

9.9

PSY2

IWB2660

5AS

-

15.6

ns

  

ns

  
 

IWB58766

5AS

-

15.6

3.7**

0.83

5.9

ns

  
 

IWB24947

5BS

-

19.7

4.7***

0.93

7.9

ns

  
 

IWB42850

5BS

-

19.7

4.3**

0.90

7.0

ns

  
 

IWB33289

5BS

-

19.7

4.3**

0.88

7.0

ns

  

BCH1

IWB2683

2AL

133.3

-

9.6***

1.49

16.00

6.7***

1.56

12.1

 

IWB64290

2BL

-

-

ns

  

4.2**

1.63

7.4

CYP97A3

IWB72540

6BL

145.3

108.9

ns

  

ns

  
 

IWB13062

6BL

145.3

-

5.8***

0.93

9.7

6.8***

1.25

12.4

VDE

IWA1533

2AL

-

-

9.4***

1.71

15.8

6.7***

1.97

12.1

ABA2

IWB64707

5BL

157.5

137.1

9.2***

-1.34

16.3

7.7***

1.51

14.8

AAO3

IWB59875

7AL

180.3

-

3.8**

-0.86

6.5

ns

  
 

IWB39660

7BL

155.7

120.8

3.8**

0.79

6.4

ns

  
  1. **and *** = significant at P > 0.01and P > 0.001, respectively, using the Bonferroni threshold (P/28) to control for multiple testing; ns = not significant; R2 = Phenotypic variation explained by the QTL (%)