Modulation of defense genes and phenolic compounds in wild blueberry in response to Botrytis cinerea under field conditions

Abbey, Joel; Jose, Sherin; Percival, David; Jaakola, Laura; Asiedu, Samuel K.

doi:10.1186/s12870-023-04090-5

Table 1 Total flavanols, hydroxycinnamic and flavonols subclasses of phenolic compounds (mg/g FW) in B. cinerea inoculated and healthy wild blueberry flower tissues

From: Modulation of defense genes and phenolic compounds in wild blueberry in response to Botrytis cinerea under field conditions

	Va brown stem		Va green stem		Va f. Nigrum		Vm short stem		Vm medium stem		Vm tall stem
	48 hpi	96 hpi	48 hpi	96 hpi	48 hpi	96 hpi	48 hpi	96 hpi	48 hpi	96 hpi	48 hpi	96 hpi
Total flavanols
Control	67.0 ± 10.2 abc	44.9 ± 8.1 efg	44.3 ± 3.7 efg	43.9 ± 6.3 efg	52.1 ± 16.2 b-e	54.6 ± 15.4 b-e	64.3 ± 12.3 a-d	67.9 ± 21.9 ab	59.8 ± 10.0 a-e	53.5 ± 7.1 b-e	57.5 ± 8.9 b-e	47.7 ± 7.7 b-f
*Botrytis cinerea*	60.8 ± 9.4 a-e	69.3 ± 9.8 ab	47.8 ± 4.3 d-g	31.3 ± 4.4 fg	46.1 ± 9.9 d-g	30.1 ± 15.0 g	76.7 ± 21.1 a	53.1 ± 4.8 b-e	45.2 ± 12.4 efg	49.0 ± 12.3 c-g	53.7 ± 13.4 b-e	46.2 ± 5.7 d-g
Total hydroxycinnamic acid
Control	375.9 ± 113 abc	396.4 ± 120 abc	337.8 ± 13 a-d	361.6 ± 34.3 abc	408.7 ± 108 a	358.3 ± 19.1 a-d	270.1 ± 37.9 b-h	240.6 ± 65.7 d-h	266.3 ± 160 c-h	196.1 ± 122 e–h	195.6 ± 80 e–h	227.9 ± 60.8 d-h
*Botrytis cinerea*	324.5 ± 54.3 a-e	398.1 ± 62.7 ab	392.1 ± 26.7 abc	291.9 ± 95.7 a-g	348.2 ± 63.5 a-d	311.9 ± 91.6 a-f	328.8 ± 64.9 a-d	243.0 ± 54.5 d-h	189.3 ± 37.5 fgh	240.4 ± 32.3 d-h	179.1 ± 98.6 hg	157.1 ± 79.9 h
Total flavonols
Control	113.1 ± 29.9 a-d	77.0 ± 30.3 b-f	112.2 ± 6.2 a-d	103.3 ± 7.7 a-e	71.6 ± 20.4 c-f	101.2 ± 10.7 a-f	101.9 ± 41.8 a-f	88.6 ± 52.3 b-f	93.6 ± 10.1 b-f	89.8 ± 20.2 b-f	66.3 ± 24.3 def	65.4 ± 22 def
*Botrytis cinerea*	117.8 ± 39.5 abc	147.2 ± 64.8 a	121.6 ± 3.2 ab	114.7 ± 10.6 a-d	67.9 ± 25.9 def	69.9 ± 22.2 def	110.4 ± 33.7 a-d	86.9 ± 23.1 b-f	56.1 ± 13.5 f	72.5 ± 10.9 c-f	60.6 ± 19.8 ef	67.3 ± 27.4 def

Mean value (n = 3) ± standard deviation. Mean separation was completed using least significant difference (LSD) test procedure. For each compound (across columns and rows), means with the same letters are not significantly different from each other at α = 0.05. Total flavanols: P = 0.0011, hydroxycinnamic acid: P = 0.0010, total flavonols P = 0.0156
Total flavanols is the sum of catechin and procyanidin B2
Total hydroxycinnamic acids is the sum of caffeic, chlorogenic neochlorogenic acids, m-coumaric acid and p-coumaric acid
Total flavonols is the sum of quercitin-3-galactoside, quercitrin and kaempferol-3-glucoside

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ISSN: 1471-2229

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