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Table 3 Direct and indirect effects on HI identified through path coefficient analysis (Experiment I)

From: Dissecting the genetic basis of fruiting efficiency for genetic enhancement of harvest index, grain number, and yield in wheat

E1_C18

Traits

Direct effect

GN

FE

TGW

GN

0.434***

0.434

0.257

−0.199

FE

0.494***

0.226

0.494

−0.216

TGW

0.595***

−0.145

−0.150

0.595

E1_Q17

Traits

Direct effect

GN

FE

TGW

GN

0.426***

0.426

0.186

−0.115

FE

0.341***

0.232

0.341

−0.090

TGW

0.376***

−0.130

−0.082

0.376

E1_Q18

Traits

Direct effect

GN

FE

TGW

GN

0.336***

0.336

0.148

0.000

FE

0.31***

0.159

0.317

0.00

TGW

0.001

−0.026

−0.054

0.001

E1_Combined

    

Traits

Direct effect

GN

FE

TGW

GN

0.353***

0.353

0.101

−0.030

FE

0.215***

0.165

0.215

−0.030

TGW

0.160**

−0.066

−0.040

0.160

  1. HI harvest index, GN Grain number m−2, FE fruiting efficiency in grains g−1 of spike dry weight at anthesis + 7 days, TGW thousand grain weight in g. E1_C18, E1_Q17, E1_Q18, E1_Combined refers to Citra 2018, Quincy 2017, Quincy 2018 and combined dataset respectively for experiment I. *, **, *** denotes significant at 0.05, 0.01 and 0.001 significance levels, respectively