Table 1 Morphological descriptor, descriptor scales, frequency distribution and Shannon-wiener diversity index (H') of 48 landraces of Solanum melongena L.

From: Exploring heterosis, dominance effect, and genetic control in Brinjal (Solanum melongena L.) landraces

Sl. no.

The traits/

descriptor

Class or scale of

descriptor

No. of genotypes

Distribution by

classes of descriptor (%)

Shannon-Wiener diversity

Index (H')

1

Plant growth habit

3 = Upright

3

6.25

0.896

5 = Intermediate

33

68.75

7 = Prostrate

12

25.00

2

Plant height (cm)

3 = Small(< = 50 cm)

0

0.00

0.284

5 = Medium(50–100 cm)

44

91.67

7 = Tall (> 100)

4

8.33

3

Plant spread (cm)

1 = very narrow (< = 30)

0

0.00

0.333

3 = Narrow (>30-40)

0

0.00

5= intermediate (> 40-60)

0

0.00

7 = broad (> 60–90)

43

89.58

9 = very broad (>90)

5

10.42

4

Petiole colour

1 = green

19

39.58

1.263

2 = Greenish violet

16

33.33

3 = violet

8

16.67

4 = dark violet

5

10.42

5 = dark brown

0

0.00

5

Leaf blade lobing

1 = very weak

0

0.00

0.925

3 = weak

2

4.17

5 = intermediate

33

68.75

7 = strong

7

14.58

9 = very strong

6

12.50

6

Leaf blade tip angle

1 = very acute (< = 15 degree)

4

8.33

1.103

3 = acute(> 15-45 degree)

26

54.17

5 = intermediate(> 45-75 degree)

14

29.17

7 = obtuse(> 75–110 degree)

4

8.33

9 = very obtuse (> 110 degree)

0

0.00

7

Leaf blade colour

1 = light green

15

31.25

1.457

2 = green

7

14.58

3 = dark green

10

20.83

4 = greenish violet

14

29.17

5 = violet

2

4.17

8

Number of leaf prickles (in upper surface)

0 = none

39

81.25

0.599

3 = few (1–5)

3

6.25

5 = many(> 5)

6

12.50

9

Corolla colour

1 = white

0

0.00

1.048

2 = greenish white

0

0.00

3 = pale violet

10

20.83

4 = light violet

22

45.83

5 = bluish violet

16

33.33

10

Calyx colour

1 = green

31

64.58

0.841

2 = light purple

4

8.33

3 = dark purple

13

27.08

11

Calyx spinyness

3 = smooth

26

54.17

0.998

5 = medium thorny

9

18.75

7 = high thorny

13

27.08

12

Fruit pedicel prickles

0 = none

17

35.42

1.079

1 = few (1–5)

19

39.58

2 = many (> 5)

12

25.00

13

Fruit length-breath ratio

1 = broader than long

2

4.17

1.666

3 = as long as broad

9

18.75

5 = slightly longer than broad

7

14.58

7 = twice as long as broad

14

29.17

8 = three times as long as broad

6

12.50

9 = several times as long as broad

10

20.83

14

Fruit curvature

1 = none

45

93.75

0.268

3 = slightly curve

2

4.17

5 = curved

1

2.08

7 = snake shaped

0

0.00

8 = sickle shaped

0

0.00

9 = U shaped

0

0.00

15

Fruit shape

3 = long

10

20.83

1.283

5 = round

11

22.92

7 = oblong

21

43.75

9 = oval

6

12.50

16

Fruit apex shape

3 = prostrate

0

0.00

0.691

5 = rounded

23

47.92

7 = depressed

25

52.08

17

Fruit colour

1 = milky white

1

2.08

0.843

2 = green

36

75.00

3 = deep green

0

0.00

4 = fire red

0

0.00

5 = scarlet red

0

0.00

6 = lilac red

0

0.00

7 = purple

5

10.42

8 = purple black

1

2.08

9 = black

0

0.00

10 = light purple

5

10.42

18

Fruit colour distribution

1 = uniform

11

22.92

0.537

3 = mottled

37

77.08

5 = irregular striped

0

0.00

7 = regular striped

0

0.00

19

Fruit flesh density

1 = very loose (spongy)

0

0.00

1.170

3 = loose(crumble)

7

14.58

5 = medium compact

25

52.08

7 = compact

12

25.00

9 = very compact

4

8.33

20

Seediness

3 = low

11

22.92

1.036

5 = medium

24

50.00

7 = high

13

27.08

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