BMC Plant Biology

Table 2 The significant terms of the response surface models of GC-MS analysis in Curcuma longa L.35–1 rhizome

From: In vitro mineral nutrition of Curcuma longa L. affects production of volatile compounds in rhizomes after transfer to the greenhouse

	Compounds (^a)
Significant model terms	(1)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)	Total
High-input Fertilizer	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	(12)	0.0001
Ca²⁺ mM	0.0267	0.0013	0.0059	0.0019	0.0478	0.0001	0.0042	0.0121	0.0395	0.0166
KNO₃ mM		0.0013	0.0059	0.0019		0.0079	0.0200	0.0121		0.0166
Ca²⁺ × KNO₃ mM		0.0312	0.0333	0.0104		0.0070	0.001	0.0076		0.0458
Mg²⁺ mM						0.0073
Mg²⁺ × KNO₃ mM						0.0003			0.0208
Ca²⁺ × Mg²⁺ mM							0.013
High-input × Buds/Vessel					0.0416
High-input × PO₄³⁻ mM					0.0416	0.0083			0.0186
High-input × Ca²⁺ mM					0.0422				0.0340
High-input × KNO₃ mM					0.0494
Buds/Vessel× PO₄³⁻ mM					0.0494	0.0378
(PO₄³⁻ mM)²					0.0041	0.0060			0.0324
(Ca²⁺ mM)²	0.0101				0.0041	0.0060			0.0324
R² =	0.804	0.785	0.687	0.785	0.772	0.688	0.771	0.701	0.448	0.666

^a(1) β-elemene, (5) β-elemenone, (6) isocurcumenol, (7) germacrone, (8) neocurdione, (9) curcumenone, (10) curcumenol isomer I, (11) curcumenol isomer II, and (12) methenolone

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ISSN: 1471-2229

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