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Table 5 The number of respondent farmers who reported the overall production constraints (pests = 40.95%, diseases = 34.29% as most important), key diseases (bacterial wilt 21.9%, downy mildew 12.38%) and pests (whiteflies 29.50, aphids 20.00%) among others affecting watermelon and pumpkin production in the study areas in Uganda

From: Pumpkin and watermelon production constraints and management practices in Uganda

Production constraints

Regions

Total

%

df

χ2

P

Acholi

Central

East Central

Elgon

Lango

South western

Teso

West Nile

Western

Overall

 Diseases

5

8

4

3

1

2

2

5

6

36

34.29

64

87.51

0.027*

 Drought

0

1

1

1

2

0

1

1

2

9

8.57

   

 High labour costs

0

2

0

3

0

0

0

0

0

5

4.76

   

 High transport costs

0

0

1

0

2

1

2

0

0

6

5.71

   

 Low yields

0

0

1

0

0

0

1

0

0

2

1.90

   

 Limited market

0

0

1

0

0

0

0

0

0

1

0.95

   

 Pests

1

12

0

6

2

8

6

3

5

43

40.95

   

 Price fluctuation

0

0

1

0

1

0

0

0

0

2

1.90

   

 Poor soils

0

0

0

0

1

0

0

0

0

1

0.95

   

Diseases

 Anthracnose

1

1

0

2

3

0

0

2

1

10

9.52

48

67.44

0.033*

 Downy mildew

0

4

0

4

1

0

1

1

2

13

12.38

   

 Gummy stem blight

0

0

0

1

0

0

0

0

0

1

0.95

   

 Powdery mildew

0

4

2

0

0

2

0

0

0

8

7.62

   

 Virus-like disease

1

2

1

0

0

1

2

0

0

7

6.67

   

 Bacterial wilt

2

8

5

2

0

0

1

2

3

23

21.90

   

Pests

 Aphids

1

2

3

0

4

4

3

2

2

21

20.00

64

153.3

 < 0.001*

 Beetles

0

1

1

4

0

0

0

0

0

6

5.71

   

 Melon flies

1

14

0

2

0

0

0

0

0

17

16.19

   

 Mites

0

2

0

0

0

0

0

0

0

2

1.90

   

 Rats

0

2

2

0

0

0

0

0

4

8

7.62

   

 Rindworm

1

0

0

0

0

0

0

0

0

1

0.95

   

 Whiteflies

2

1

3

4

3

5

7

3

3

31

29.52

   

 Cutworm

1

0

0

3

2

2

2

0

0

10

9.52

   

 Red ants

0

1

0

0

0

0

0

4

4

9

8.57

   
  1. df degree of freedom
  2. χ2 chi-square value for the measure of association
  3. P probability value
  4. *denotes significant differences