Table 4 Classification of differentially abundant metabolites in the roots and shoots of Brassica napus exposed to N, P and K deprivations

Root

Amino acids

27

3

24

66

8

58

12

1

11

Alcohol, ether and phenol

24

9

15

33

12

21

10

4

6

Aldehydes, ketones and quinones

38

10

28

29

9

20

26

6

20

Carbohydrate

25

11

14

33

20

13

27

7

20

Carboxylic acids and derivatives

38

9

29

45

12

33

19

3

16

Heterocyclic compounds and alkaloids

79

18

61

98

23

75

57

13

44

Hydrocarbons

29

12

17

27

9

18

15

7

8

Lipids and lipid-like

46

32

14

75

16

59

68

51

17

Nucleosides and nucleotides

12

0

12

18

4

14

10

6

4

Organic nitrogen compounds

8

4

4

9

6

3

11

3

8

Unclassified

74

21

53

89

25

64

63

28

35

Shoot

Amino acids

31

12

19

38

4

34

16

14

2

Alcohol, ether and phenol

9

6

3

11

1

10

2

1

1

Aldehydes, ketones and quinones

22

15

7

16

6

10

11

7

4

Carbohydrate

29

15

14

17

8

9

15

11

4

Carboxylic acids and derivatives

18

12

6

33

17

16

10

8

2

Heterocyclic compounds and alkaloids

45

25

20

84

23

61

28

25

3

Hydrocarbons

13

7

6

16

3

13

0

0

0

Lipids and lipid-like

33

27

6

84

13

71

24

17

7

Nucleosides and nucleotides

12

4

8

15

4

11

3

2

1

Organic nitrogen compounds

7

1

6

3

1

2

6

5

1

Unclassified

49

23

26

53

16

37

20

13

7