Биология / Реферат: The effect of light intensity on the amount of chlorophyll in “Cicer arietinum”

Реферат: The effect of light intensity on the amount of chlorophyll in “Cicer arietinum”

Carotene

Orange

Xanitophyll

Yellow

Phaeophytin-a

OLIVE BROUN or GREY

IV. Results.

Table 2. Raw data.

Number of plant

Light intensity (lux)

0,0

20,5

27,5

89,5

142,0

680,0

1220,0

1

23

35

20

1

30

2

15

2

30

36

33

4

31

20

16

3

38

37

35

8

34

21

16

4

39

37

36

9

35

21

16

5

44

38

37

9

38

21

17

6

46

39

40

12

38

22

17

7

50

39

40

12

38

22

19

8

52

40

43

13

39

23

20

9

55

40

43

15

39

25

21

10

40

18

40

27

22

11

42

20

41

29

26

12

42

22

41

30

13

42

22

41

31

14

42

24

42

33

15

43

25

42

34

16

43

25

43

34

17

44

25

43

35

18

44

25

43

35

19

45

26

45

37

20

45

26

45

38

21

45

26

46

38

22

45

26

46

41

23

46

27

48

41

24

46

29

48

44

25

49

32

49

26

34

49

M ean

41,888889

41,76

36,33333

19,80769

41,30769

29,33333

18,63636

M edian

44

42

37

23

41,5

30,5

17

St . dev iation

10,50529

2,928

4,740741

7,467456

4

7,472222

2,694215

Table 3. Frequency of lengths of 3-weeks-old plants depending on light intensity.

Light intensity, lux

Plant length, cm (class)

0,0

20,5

27,5

89,5

142,0

680,0

1220,0

0.0-10.0

0

0

0

5

0

1

0

10.1-20.0

0

0

1

6

0

1

8

20.1-30.0

2

0

0

13

1

10

3

30.1-40.0

2

9

6

2

9

9

0

40.1-50.0

3

15

2

0

16

3

0

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