Table 3 Concentration of individual hydroxycinnamic acid derivatives (mg/g FW) in B. cinerea inoculated and healthy wild blueberry flower tissues

m-Coumaric acid

 Control

0.80 ± 0.3 efg

0.65 ± 0.2 fg

0.69 ± 0.3 fg

0.45 ± 0.1 g

0.95 ± 0.2 d-g

0.51 ± 0.1 g

0.70 ± 0.2 fg

0.82 ± 0.2 efg

0.94 ± 0.3 d-g

1.16 ± 0.5 b-f

1.53 ± 0.7 abc

0.63 ± 0.2 fg

 Botrytis cinerea

1.38 ± 0.1 a-d

1.55 ± 0.5 abc

1.51 ± 0.4 abc

1.11 ± 0.2 c-f

1.48 ± 0.1 a-d

1.68 ± 0.1 ab

1.81 ± 0.5 a

1.34 ± 0.a-e

1.44 ± 0.3 a-d

1.32 ± 0.2a-e

1.60 ± 0.4 abc

1.80 ± 0.5 a

Neochlorogenic acid

 Control

3.87 ± 2.1 b-g

2.76 ± 0.2 g

3.10 ± 0.2 efg

2.86 ± 0.1 fg

3.48 ± 2.3 c-g

4.18 ± 2.1 b-g

5.74 ± 2.0 abc

5.45 ± 2.6 a-e

4.50 ± 2.2 b-g

5.67 ± 0.5 a-d

4.94 ± 0.6a-g

4.51 ± 0.8 b-g

 Botrytis cinerea

3.21 ± 0.6 d-g

4.47 ± 2.4 b-g

1.95 ± 0.2 efg

2.36 ± 0.5 c-g

2.97 ± 1.1 efg

3.46 ± 1.8 c-g

7.38 ± 0.8 a

6.53 ± 0.1 ab

4.39 ± 1.5 b-g

5.28 ± 2.3 a-f

4.76 ± 0.6 b-g

5.02 ± 1.0 a-g

Chlorogenic acid

 Control

368.0 ± 114 abc

389.3 ± 121 ab

331.2 ± 13.2 a-d

355.6 ± 34.3 a-d

400.7 ± 109 a

349.6 ± 17.5a-d

259.9 ± 35.3 b-h

231.1 ± 62.7d-h

257.8 ± 162 c-h

186.7 ± 122 e–h

185.8 ± 79.4e-h

219.9.6 ± 89.8 d-h

 Botrytis cinerea

316.9 ± 54.4a-e

387.4 ± 64abc

384.6 ± 26.8abc

283.8 ± 95.3a-g

340.3 ± 64.2a-d

302.7 ± 92.1 a-f

315.9 ± 63.2 a-e

233.0 ± 52.5d-h

180.7 ± 37.0fgh

229.9 ± 34.5d-h

169.4 ± 96.8 gh

146.4 ± 78.3 h

Caffeic acid

 Control

2.01 ± 0.4

2.71 ± 1.2

1.95 ± 0.1

2.05 ± 0.1

2.60 ± 0.8

2.66 ± 1.1

2.09 ± 0.3

1.87 ± 0.1

1.93 ± 0.2

1.77 ± 0.2

1.99 ± 0.3

1.72 ± 0.2

 Botrytis cinerea

1.93 ± 0.3

2.65 ± 0.5

2.10 ± 0.3

2.34 ± 0.3

2.58 ± 0.7

2.74 ± 1.2

2.15 ± 0.2

2.36 ± 0.4

1.83 ± 0.1

2.39 ± 0.5

1.90 ± 0.4

2.09 ± 0.2

p-Coumaric acid

 Control

1.19 ± 0.6

0.92 ± 0.6

0.86 ± 0.0

0.69 ± 0.0

1.00 ± 0.5

1.31 ± 1.1

1.68 ± 0.7

1.35 ± 0.2

1.06 ± 0.0

0.83 ± 0.1

1.40 ± 1.2

0.91 ± 0.8

 Botrytis cinerea

1.12 ± 0.6

1.96 ± 1.0

0.78 ± 0.1

1.35 ± 0.1

0.94 ± 0.5

1.35 ± 0.5

1.58 ± 0.5

1.91 ± 0.2

0.97 ± 0.4

1.53 ± 0.5

1.39 ± 1.5

1.78 ± 1.3