Table 3 Settings of low-temperature stress treatments.

From: Canopy hyperspectral characteristics and yield estimation of winter wheat (Triticum aestivum) under low temperature injury

Data set

Representations

Treatments

Time (hours)

Temperature (°C)

Calibration set

4 h/−2°C

4

−2

4 h/−4 °C

 

−4

4 h/−6 °C

 

−6

8 h/−2 °C

8

−2

8 h/−4 °C

 

−4

8 h/−6 °C

 

−6

12 h/−2 °C

12

−2

12 h/−4 °C

 

−4

12 h/−6 °C

 

−6

CCK

  

Validation set

4 h/−2 °C

4

−2

4 h/−4 °C

 

−4

4 h/−6 °C

 

−6

12 h/−2 °C

12

−2

12 h/−4 °C

 

−4

12 h/−6 °C

 

−6

VCK

  
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