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Table 5 Canopy temperature (°C) of non-infested and nematode infested treatments at different times during the season

From: Comparison of visible imaging, thermography and spectrometry methods to evaluate the effect of Heterodera schachtii inoculation on sugar beets

Susceptible 2014

935 °Cd (57 das)

1446 °Cd (84 das)

1485 °Cd (86 das)

(a)

 Date—Time

02/07—10:30

29/07—15:30

31/07—14:30

 Vapour pressure deficit (kPa)

0.37

0.77

1.93

 Non-infested

13.7 ± 0.3a

18.6 ± 0.5a

22.8 ± 0.4a

 Nematode infested

14.6 ± 0.2b

19.5 ± 0.3b

27.4 ± 0.6b

Tolerant 2015

581 °Cd (36 das)

599 °Cd (37 das)

736 °Cd (44 das)

856 °Cd (52 das)

1347°Cd (74 das)

(b)

 Date—Time

09/06—17:30

10/06—16:30

17/06—17:00

25/06—14:30

17/07—16:30

 Vapour pressure deficit (kPa)

0.68

0.87

2.01

2.44

4.88

 Non-infested

15.1 ± 0.1a

17.7 ± 0.22a

23.7 ± 0.46a

23.3 ± 0.69a

32.8 ± 0.79a

 Nematode infested

15.4 ± 0.09b

18.1 ± 0.18a

23.8 ± 0.41a

24.5 ± 0.43a

33.4 ± 0.75a

  1. (a) Susceptible cultivar in 2014. (b) Tolerant cultivar in 2015. Displayed, are the mean ± standard error of each treatment. Different letters within each column indicate significant differences