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Table 1 Traits recorded in the current study for two deficient and sufficient iron (Fe) regimes, where H 2 is the repeatability on an entry means basis for the association mapping population

From: Genome-wide association mapping of iron homeostasis in the maize association population

   

H 2

Trait

Abbreviation

Unit

Fe-deficient

Fe-sufficient

SPAD value at leaf 3

SP3

SPAD units

0.72

0.86

SPAD value at leaf 4

SP4

SPAD units

0.72

0.87

SPAD value at leaf 5

SP5

SPAD units

0.68

0.81

SPAD value at leaf 6

SP6

SPAD units

0.68

0.77

Root length

RL

cm

0.72

0.62

Root weight

RW

g

0.59

0.47

Shoot length

SL

cm

0.63

0.57

Shoot dry weight

SDW

g

0.65

0.65

Shoot water content

H 2O

%

0.53

0.44

Ratio of dry shoot weight

SDW/SL

g/cm

0.68

0.71

compared to shoot length

    

Branching at the terminal 5 cm

BTR

score 1 - 9

0.68

1

Lateral root formation

LAT

score 1 - 9

0.68

0.58

Leaf necrosis

NEC

score 1 - 9

0.61

0.71

  1. 1no variation observed.