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Table 3 Correlation coefficients between agronomic indicators and remote sensing spectral index of winter wheat

From: Estimation model of winter wheat disease based on meteorological factors and spectral information

Data

LAI

Biomass

LCC

Rnir

Rred

NDVI

RVI

DVI

LAI

1

       

Biomass

0.77**

1

      

LCC

0.63**

0.63**

1

     

Rnir

0.69**

0.65**

0.68**

1

    

Rred

−0.77**

−0.77**

− 0.66**

−0.44*

1

   

NDVI

0.85**

0.83**

0.77**

0.70**

−0.94**

1

  

RVI

0.83**

0.85**

0.74**

0.67**

−0.93**

0.97**

1

 

DVI

0.81**

0.78**

0.77**

0.95**

−0.69**

0.89**

0.85**

1

  1. *and **represent significance at 5% and 1%, respectively