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Table 2 Pearson’s correlation coefficients among traits in the XJ-RILs population derived from the cross of ‘Xiaomiqiao × Jinqiaomai 2’ in four environments

From: QTL mapping and candidate gene analysis for yield and grain weight/size in Tartary buckwheat

Traits

Environment

TGW

GL

GW

L/W

GY

2017

0.315**

0.192**

0.092

0.113

2018

0.337**

0.265**

0.190**

0.124

2019

0.395**

0.160*

0.344**

-0.035

2020

0.445**

-0.002

0.169*

-0.087

TGW

2017

 

0.430**

0.447**

0.152*

2018

 

0.587**

0.721**

0.138*

2019

 

0.588**

0.539**

0.216**

2020

 

0.024

0.397**

-0.205**

GL

2020

  

-0.145*

0.893**

2018

  

-0.011

0.864**

2019

  

0.040

0.833**

2020

  

-0.515**

0.891**

GW

2017

   

-0.567**

2018

   

-0.509**

2019

   

-0.491**

2020

   

-0.845**

  1. GY Grain yield, TGW 1000-grains weight, GL Grain length, GW Grain width, L/W Grain length-to-width ratio
  2. ** and * indicate significant correlation at p < 0.01 and p < 0.05, respectively