Standardization of electrolyte leakage data and a novel liquid nitrogen control improve measurements of cold hardiness in woody tissue

Kovaleski, Alisson P.; Grossman, Jake J.

doi:10.1186/s13007-021-00755-0

Plant Methods

Table 2 Correlations between critical values of cold hardiness based on different approaches

From: Standardization of electrolyte leakage data and a novel liquid nitrogen control improve measurements of cold hardiness in woody tissue

		Anderson			Flint			Lim_logistic			Lim_gompertz				Visual damage
		LT₂₀	LT₅₀	LT₈₀	LT₂₀	LT₅₀	LT₈₀	LT₂₀	LT₅₀	LT₈₀	LT₂₀	LT₅₀	LT₈₀	LT_max	LT₂₀	LT₅₀	LT₈₀	LST
Anderson	LT₂₀
	LT₅₀	0.44
	LT₈₀	− 0.10	0.84
Flint	LT₂₀	0.92	0.54	0.60
	LT₅₀	0.40	Identical	0.85	0.53
	LT₈₀	− 0.30	0.88	0.99	0.10	0.89
Lim_logistic	LT₂₀	0.89	0.60	0.11	0.94	0.59	0.17
	LT₅₀	0.59	0.81	0.50	0.72	0.81	0.55	0.74
	LT₈₀	0.20	0.70	0.63	0.34	0.72	0.65	0.33	0.88
Lim_gompertz	LT₂₀	0.91	0.48	− 0.20	0.98	0.47	0.30	0.96	0.69	0.29
	LT₅₀	0.52	0.82	0.56	0.65	0.83	0.60	0.68	Identical	0.91	0.62
	LT₈₀	0.24	0.78	0.68	0.37	0.80	0.72	0.41	0.91	0.98	0.33	0.94
	LT_max	0.70	0.78	0.41	0.83	0.78	0.46	0.84	0.98	0.78	0.81	0.96	0.82
Visual Damage	LT₂₀	0.28	0.28	0.13	0.34	0.30	0.16	0.35	0.42	0.34	0.34	0.40	0.34	0.42
	LT₅₀	0.44	0.46	0.22	0.50	0.47	0.27	0.51	0.60	0.49	0.49	0.58	0.50	0.61	0.85
	LT₈₀	0.46	0.49	0.24	0.51	0.50	0.30	0.53	0.62	0.49	0.50	0.60	0.51	0.62	0.58	0.92
	LST	0.49	0.43	0.14	0.51	0.43	0.21	0.54	0.59	0.46	0.52	0.57	0.47	0.61	0.48	0.80	0.89
LTE		− 0.31	− 0.64	− 0.58	− 0.31	− 0.63	− 0.62	− 0.36	− 0.46	− 0.45	− 0.27	− 0.47	− 0.48	− 0.43	− 0.26	− 0.34	− 0.35	− 0.28

Correlations (⍴) between critical values of cold hardiness (℃) for four electrolyte leakage approaches, visual damage (including lowest survival temperature), and low temperature exotherms. Correlations are calculated for maple genotype means (n = 36) for all indices except LTEs, for which species means (n = 12) are compared to other metrics. We focus on the use of the LT50 critical value extracted using the Lim_logistic approach (enclosed with borders). Bolded correlations indicate a significant (α < 0.05) bivariate correlation test

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ISSN: 1746-4811

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