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Table 1 Ripening index (RI), dry matter, chlorophyll content (Chl), chlorophyll retention (R) during ripening were estimated in green mature (GM) and turning purple (TP) drupes of ‘Carolea’ populations growing at different meters above sea levels (masl)

From: Changes in gene expression and metabolic profile of drupes of Olea europaea L. cv Carolea in relation to maturation stage and cultivation area

Population

stage

RI

Dry matter (% FW)

Chl a (mg/g DW)

Chl b (mg/g DW)

Chl (b/a)

Chl (a+b) (mg/g DW)

R

10 masl

GM

0.5b

46.6 ± 1.1b

0.68 ± 0.08a

0.38 ± 0.05c

0.56d

1.06 ± 0.06b

-

TP

3.2a

54.3 ± 1.5a

0.17 ± 0.02b

0.36 ± 0.04c

2.10b

0.53 ± 0.03c

50ns

200 masl

GM

0.0b

46.0 ± 0.9b

0.70 ± 0.08a

1.13 ± 0.08a

1.62c

1.83 ± 0.08a

-

TP

2.6a

55.6 ± 1.8a

0.20 ± 0.02b

0.64 ± 0.06b

3.14a

0.84 ± 0.05b

46ns

700 masl

GM

0.0b

46.1 ± 1.0b

0.55 ± 0.06a

0.82 ± 0.07b

1.47c

1.37 ± 0.06a

-

TP

2.7a

56.5 ± 1.9a

0.23 ± 0.02b

0.50 ± 0.03c

2.19b

0.72 ± 0.03b

53ns

  1. Data are expressed as means ± standard errors. Significant differences between means are shown by different letters (P≤0.05) (Student’s t-test); ns not significant, DW Dry weight, FW Fresh weight