Nectarine Fruit Ripening and Quality Assessed Using the Index of Absorbance Difference (𝐼_AD)

Table 4

Average of firmness (FF kg/cm²) and soluble solids content (SSC °Brix) of fruits at the 𝐼_AD classes of physiological maturity (PM), commercial maturity (CM), and immature (I) in the three canopy layers; bottom (B), middle (M), and top (T) of “SF34”.

𝐼AD; class

FF (kg/cm^2)

SSC (°Brix)

B

M

T

B

M

T

PM

6.6

a^z

A^y

6.5

a

A

5.9

a

B

12.0

b

A

12.3

ab

A

13.4

a

A

CM

6.7

a

A

6.9

a

A

6.8

a

AB

12.4

b

A

12.6

b

AB

13.6

a

A

I

6.5

a

A

6.5

a

A

7.1

a

A

11.9

a

A

11.6

a

B

12.3

a

B

zSmall letters represent significant differences between canopy layers within the same 𝐼_AD class at 𝑃<0.05.
^yCapital letters represent significant differences between 𝐼_AD values within the same canopy layer at 𝑃<0.05.