Variable

Variable class

No of fields

No of fields with Chocolate spot

Incidence (%)

Severity (%)

<75

≥75

<30

≥30

Kas

Beteyohanes

10

2

8

-

10

Zhazh

10

1

9

2

8

Aduka

10

9

1

5

5

Agate

10

1

9

-

10

Efrata

10

10

-

10

-

Dajat

10

-

10

-

10

Altitude

<2500

20

19

1

15

5

≥2500 - ≤2700

17

2

15

2

15

>2700

23

2

21

-

23

Soil type

Brown

29

10

19

5

24

Red

22

9

13

8

14

Black

9

3

6

2

7

Field history

Wheat

26

6

20

3

23

Potato

9

2

7

-

9

Barley

8

5

3

5

3

Teff

17

10

7

9

8

Fertilization

NPS

33

13

20

9

24

Non-fertilized

27

10

17

8

19

Growth stage

Flowering

23

15

8

13

10

Pre podding

22

8

14

4

18

Podding

15

-

15

-

15

Planting density

≥40/m²

26

8

18

6

20

<40/m²

34

15

19

11

23

Planting method

Broad casting

53

19

34

15

38

Row planting

7

4

3

2

5

Fungicide usage

Used

11

2

9

2

9

Not used

49

21

28

15

34

Day of planting

Late may-mid-June

29

4

25

-

29

Mid-June-July

31

19

12

17

14