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Table 1 Measured FRS and IQS (f = 150 MHz, Mode 0) for 6 different fresh leaves of one wheat plant and calculated ionic conductivity

From: Non-invasive assessment of leaf water status using a dual-mode microwave resonator

L. no

FRS

Δ FRS / FRS [%]

IQS

Δ IQS / FRS [%]

σ[μS/cm]

Δ σ /σ [%]

1

1.3010−5

40

5.2510−5

27

1.4104

48

2

1.4710−5

26

6.1110−5

15

1.4104

30

3

1.2710−5

46

7.7810−5

27

2.0104

53

4

1.8610−5

21

6.8410−5

52

1.2104

56

5

1.9410−5

7

8.7910−5

20

1.5104

21

6

1.9610−5

29

9.5210−5

15

1.6104

14

AVE

    

1.46104

14

  1. Each data point corresponds to the average of 5 subsequent measurements and ionic conductivity σ is determinded from IQS/FRS by Eq. 6. AVE – weighted average.