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Table 7 Effect of foliar application of B2O3 and ZnO nanoparticles on fruit oil traits of Picual cultivar in 2017 and 2018 seasons

From: Effect of foliar application of boron trioxide and zinc oxide nanoparticles on leaves chemical composition, yield and fruit quality of Olea europaea L. cv. Picual

Treat.

Fruit oil percentage (%)

Oil acidity (%)

Peroxide value (meq/kg oil)

Iodine value (g/100 g oil)

2017

2018

2017

2018

2017

2018

2017

2018

T0

33.33 i

35.30 g

0.37 a

0.38 a

5.04 b

5.09 b

81.14 h

78.57 i

T1

39.07 g

37.07 f

0.27 b

0.25 b

3.96 e

4.00 d

81.06 i

84.52 c

T2

39.72 d

39.14 e

0.17 e

0.16 d

3.59 i

3.58 g

84.43 f

85.44 a

T3

38.23 h

40.90 d

0.25 c

0.26 b

3.89 f

3.87 e

86.95 b

82.09 h

T4

39.43 e

42.42 b

0.27 b

0.26 b

5.12 a

5.18 a

88.80 a

82.36 g

T5

39.83 c

41.02 c

0.27 b

0.25 b

4.78 c

5.16 a

84.61 e

83.14 f

T6

40.19 b

43.20 a

0.25 c

0.23 c

3.62 h

3.66 f

82.44 g

83.91 e

T7

39.10 f

42.41 b

0.21 d

0.22 c

3.83 g

3.82 e

85.03 d

85.20 b

T8

40.71 a

42.49 b

0.15 e

0.16 d

4.42 d

4.49 c

85.64 c

84.24 d

  1. Mean in each column with similar letters is not significantly different at 5% level
  2. T1, nano-boron at 10 ppm; T2, nano-boron at 20 ppm; T3, nano-zinc at 100 ppm; T4, nano-zinc at 200 ppm; T5, nano-boron at 10 ppm + nano-zinc at 100 ppm; T6, nano-boron at 10 ppm + nano-zinc at 200 ppm; T7, nano-boron at 20 ppm + nano-zinc at 100 ppm; T8, nano-boron at 20 ppm + nano-zinc at 200 ppm