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Table 5 Influence of ethephon at veraison on agronomic indices of olives during ripening

From: Effect of ethephon application on the cellular maturity of Olea europaea L. and on the extractability of phenolic compounds in virgin olive oil

Parameter

Samples ethephon (V)

S1 (21/09)

S2 (03/10)

S3 (14/10)

S4 (25/10)

Weight of 100 olives (g)

392.4 ± 4.9

455.3 ± 4.7

487.5 ± 5.4

514.9 ± 4.4

Diameters (mm)

17.7 ± 0.8

19.1 ± 1.7

19.5 ± 2.1

19.2 ± 1.5

Moisture content (%)

63.5 ± 0.1

61.7 ± 0.2

59.5 ± 0.1

51.8 ± 0.1

Oil content of olives (g/100 g O.P)

2.6 ± 0.4

7.6 ± 0.2

16.9 ± 1.2

26.7 ± 0.2

T.P content of olives (mg/g O.P)

52.7 ± 1.8

71.9 ± 1

56.7 ± 2.4

52.9 ± 1

  1. Ethephon (V): treatment at fruit set; T.P total polyphenols, O.P olive pulp