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Bulletin of the National Research Centre

Table 7 Effect of deficit irrigation rates, cultivars and rootstocks on costs and benefits of cantaloupe plants as the average between seasons 2015 and 2016

From: Utilization of grafting technique for sustaining cantaloupe productivity and quality under deficit irrigation water

cv.

Rootstock

Average between seasons 2015 and 2016

Costsa (L.E./plant)

Yieldb (kg/plant)

Benefitsc (L.E./plant)

Savingd (L.E./plant)

100%

75%

50%

Mean

100%

75%

50%

Mean

100%

75%

50%

Mean

100%

75%

50%

Mean

Veleta

Cobalt

2.36

2.33

2.30

2.33

5.069

5.027

2.613

4.236

12.67

12.57

6.53

10.59

10.31

10.24

4.23

8.26

Strong Tosa

2.36

2.33

2.30

2.33

1.466

1.510

0.710

1.228

3.67

3.77

1.78

3.07

1.31

1.44

lose

0.74

Non-grafted

2.11

2.08

2.05

2.08

3.685

3.259

1.675

2.873

9.21

8.14

4.19

7.18

7.10

6.06

2.14

5.1

Mean

2.28

2.25

2.22

 

3.406

3.265

1.666

 

8.52

8.16

4.167

 

6.24

5.9

1.95

 

Mean of Veleta

2.25

2.78

6.95

4.70

Ideal

Cobalt

2.61

2.58

2.55

2.58

3.892

4.101

2.366

3.45

9.73

10.25

5.92

8.63

7.12

7.67

3.37

6.05

Strong Tosa

2.61

2.58

2.55

2.58

5.848

6.135

3.270

5.08

14.62

15.34

8.18

12.71

12.01

12.76

5.63

10.13

Non-grafted

2.21

2.18

2.15

2.18

3.494

3.501

1.692

2.90

8.74

8.75

4.23

7.24

6.53

6.57

2.08

5.06

Mean

2.48

2.45

2.42

 

4.41

4.58

2.44

9.00

11.03

11.45

6.11

 

8.55

9.00

3.69

 

Mean of Ideal

2.45

3.81

9.53

7.08

Rootstocks and water levels

Cobalt

2.49

2.46

2.43

2.46

4.48

4.56

2.49

3.84

11.20

11.41

6.23

9.61

8.72

8.96

3.80

7.16

Strong Tosa

2.49

2.46

2.43

2.46

3.66

3.82

1.99

3.15

9.15

9.56

4.98

7.89

6.66

7.10

2.56

5.44

Non-grafted

2.16

2.13

2.10

2.13

3.59

3.38

1.68

2.89

8.98

8.45

4.21

7.21

6.82

6.32

2.11

5.08

Mean water

2.38

2.35

2.32

 

3.91

3.92

2.05

 

9.77

9.80

5.14

 

7.40

7.46

2.82

 
  1. aCosts included the price of treatments (Seedling and water amounts) where:
  2. Grafted Veleta =2.25 L.E., non-grafted Veleta =2 L.E (0.75 seedling + 1.25 controlling soil diseases such as fusarium welt)
  3. Grafted Ideal =2.35 L.E., non-grafted Ideal =2.10 L.E. (0.85 seedling + 1.25 controlling soil diseases such as fusarium welt)
  4. 1 M3 of water = 1 L.E. (100% ETc = 110 liter = 0.11 L.E., 75% ETc = 85 liter = 0.085 L.E. and 50% ETc = 55 liter = 0.055 L.E
  5. bYield (kg/plant) under treatments
  6. cBenefits were calculated as average price/2.5 L.E./kg
  7. dSaving (L.E./plant) = Benefits – Costs
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