Secondary metabolites in leaves of hybrid aspen are affected by the competitive status and early thinning in dense coppices

Table 4 Linear correlations between secondary metabolite concentrations

Class of compounds	Tree’s competitive status	Height	G	LWA	[N]	[P]	[K]
DHC	Dominant	− 0.58	− 0.12	− 0.11	0.13	0.25	− 0.24
FLA	Dominant	0.31	− 0.32	0.55	− 0.73	− 0.57	0.02
HC	Dominant	− 0.13	0.15	− 0.14	0.07	0.35	0.11
JA	Dominant	− 0.02	0.30	− 0.30	0.52	0.53	− 0.34
SA	Dominant	− 0.57	− 0.23	0.03	0.02	0.16	− 0.24
DHC	Suppressed	− 0.33	− 0.63	0.76	− 0.64	− 0.47	− 0.70
FLA	Suppressed	− 0.18	− 0.67	0.86	− 0.82	− 0.66	− 0.78
HC	Suppressed	− 0.01	− 0.60	0.77	− 0.65	− 0.50	− 0.73
JA	Suppressed	0.43	0.62	− 0.70	0.64	0.70	0.69
SA	Suppressed	− 0.26	− 0.50	0.62	− 0.66	− 0.44	− 0.60

(SA salicylates, FLA flavonoids, HC hydroxycinnamates, JA jasmonates, DHC dihydrochalcones) of dominant and suppressed trees and model tree height, stand basal area (G), leaf weight per area (LWA) and macronutrient concentrations
Significant (p < 0.05) correlations are in italics

ISSN: 1297-966X