Radial distribution of quinones in plantation teak (Tectona grandis L.f.)

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Table II

Pearson’s correlation coefficients between total extractive content and extractive component contents.

	TEC	DES	PAL	LAP	ISO	UN1	TEQ	UN2	SQU
DES	0.46**
PAL	0.52**	0.24
LAP	0.45**	0.61**	0.39**
ISO	0.79**	0.54**	0.48**	0.64**
UN1	0.09	–0.01	–0.00	0.06	0.07
TEQ	0.64**	0.12	0.34**	0.27^*	0.54**	0.22
UN2	0.56**	0.55**	0.46**	0.47**	0.73**	–0.05	0.30^*
SQU	0.74**	0.49**	0.60**	0.45**	0.78**	0.12	0.47**	0.72**
TOL	0.84**	0.46**	0.56**	0.62**	0.91**	0.09	0.61**	0.76**	0.84**

Significant at the 1% level,

significant at the 5 % level;

TEC = total extractive content, ISO = isodesoxylapachol, PAL = palmitic acid, LAP = lapachol, DES = desoxylapachol, UN1 = unidentified compound 1, TEQ = tectoquinone, UN2 = unidentified compound 2, SQU = squalene, TOL = tectol.