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Table 1 Resistance level and stability of Botrytis cinerea isolates to tebuconazole after the 1st and 10th subculture on fungicide-free medium

From: Characterization of tebuconazole resistance in Botrytis cinerea from tomato plants in China

Isolatea

EC50 (μg/mL)

RFb

FSCc

1st

10th

1st

10th

NJ2

0.032

0.036

–

–

–

SF2-1

0.079

0.083

–

–

–

SQ11

0.097

0.091

–

–

–

S11

1.56

1.56

5.38

5.38

1.00

FH30

1.66

1.52

5.72

5.24

0.92

SH558

1.68

1.74

5.79

6.00

1.04

D20

1.76

1.86

6.07

6.41

1.06

SH330

1.84

1.70

6.34

5.86

0.92

D25

2.22

2.35

7.66

8.10

1.06

  1. aNJ2, SF2-1, and SQ11 represent the sensitive isolates; S11, FH30, SH558, D20, SH330, and D25 represent the reduced-sensitive isolates
  2. bRF = resistance factor, the ratio of the EC50 of a reduced-sensitive isolate to the mean value of baseline sensitivity
  3. cFSC = factor of sensitivity change, the ratio of RF values for EC50 at the 10th to the 1st transfer