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Table 3 The effect of irrigation treatments (100%, 85% and 70% ETc) with kaolin application (0%, 3% and 6%) in 2017 and (0%, 1.5% and 3%) in 2018, and cultivar on fruit skin colour of ʻGolabʼand ʻShafi-Abadiʼ apples

From: Influence of kaolin application on most important fruit and leaf characteristics of two apple cultivars under sustained deficit irrigation

Treatments

2017

2018

 

Values L*

Values a*

Values b*

Values L*

Values a*

Values b*

Irrigation treatments

 100% ETc

69.98a,b ± 1.43

− 10.5a ± 2.40

37.51a ± 0.93

69.83a ± 1.75

− 8.97a ± 4.29

40.73a ± 1.92

 85% ETc

68.92b ± 1.16

− 10.54a ± 3.15

37.28a ± 1.06

69.43a ± 1.67

− 8.40a ± 3.73

40.00a ± 1.90

 70% ETc

70.17a ± 1.76

− 9.94a ± 1.81

38.33a ± 1.17

69.89a ± 0.83

− 7.30a ± 4.44

41.79a ± 1.60

Kaolin

 0%

69.89a ± 1.48

− 9.86a ± 2.40

37.91a ± 1.25

69.35a ± 1.36

− 10.06b ± 2.92

41.05a ± 2.27

 1.5%

–

–

–

70.63a ± 1.60

− 7.81a ± 4.60

40.86a ± 1.37

 3%

69.69a ± 1.53

− 10.51a ± 2.55

37.85a ± 1.01

69.18a ± 1.35

− 6.79a ± 4.61

40.60a ± 1.79

 6%

69.50a ± 1.48

− 10.68a ± 2.5

37.36a ± 0.94

–

–

–

Cultivar

 Golab

71.69a ± 1.04

− 13.70b ± 1.43

37.60a ± 0.89

69.64a ± 1.22

− 15.41b ± 1.10

39.95b ± 0.95

 Shafi-Abadi

67.70b ± 1.12

− 7.00a ± 2.14

37.81a ± 1.22

69.79a ± 1.68

− 1.03a ± 2.49

41.72a ± 2.32

  1. Means within each column for each treatment followed by the same letters are not significantly different at P ≤ 0.05