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Table 1 List and description of the 19 descriptors obtained by automated image analysis and used for statistical analysis

From: Histological quantification of maize stem sections from FASGA-stained images

Feature name

Description

Type

Stem area

The area occupied by the stem section, in cm2

Morphometry

Bundle number

The number of vascular bundles in the pith

Bundle intensity

The numerical intensity of bundles, in cm−2

Lignified fraction

The tissue fraction corresponding to lignified pith

Non lignified fraction

The tissue fraction corresponding to non-lignified pith

Rind fraction

The tissue fraction corresponding to the rind

Bundle fraction

The tissue fraction corresponding to vascular bundles in pith

Lignified mean red

The mean red intensity in the lignified fraction

Colorimetry

Lignified mean green

The mean green intensity in the lignified fraction

Lignified mean blue

The mean blue intensity in the lignified fraction

Non-lignified mean red

The mean red intensity in the non-lignified fraction

Non-lignified mean green

The mean green intensity in the non-lignified fraction

Non-lignified mean blue

The mean blue intensity in the non-lignified fraction

Rind mean red

The mean red intensity in the rind

Rind mean green

The mean green intensity in the rind

Rind mean blue

The mean blue intensity in the rind

Bundles mean red

The mean red intensity in the vascular bundles

Bundles mean green

The mean green intensity in the vascular bundles

Bundles mean blue

The mean blue intensity in the vascular bundles