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Table 1 The traits of lettuce leaves by manual measurements

From: Quantitative phenotyping and evaluation for lettuce leaves of multiple semantic components

Index

Abbreviation

Description

Unit

1

BD_L

Leaf length

\(\mathrm{Pixel}\)

2

BD _W

Leaf width

\(\mathrm{Pixel}\)

3

MR_L

Length of mid-rid vein

\(\mathrm{Pixel}\)

4

PE_L

Length of petiole

\(\mathrm{Pixel}\)

5

AP_L

Length from petiole to the apex

\(\mathrm{Pixel}\)

6

LM_N_LT

Number of left laminas

 

7

LM_N_RT

Number of right laminas

 

8

LM_N

Total number of laminas

 

9

LM_Ave_ANG_LT

Average vein angles of left-side leaf

\(\mathrm{Degree }(^\circ )\)

10

LM_Ave_ANG_RT

Average vein angles of right-side leaf

\(\mathrm{Degree }(^\circ )\)

11

LM_Ave_ANG

Average vein angles of the leaf

\(\mathrm{Degree }(^\circ )\)