Table 1.

Two-way ANOVA of drought stress intensity (df = 3) and drought stress duration (df = 3), and their interactions on xylem hydraulic properties of 1-year-old Chinese fir seedlings.

Plant organ and property	Drought stress intensity		Drought stress duration		Drought stress intensity × Drought stress duration
	F	P	F	P	F	P
Root
Hydraulic conductivity	67.206	< 0.001***	132.616	< 0.001***	16.796	< 0.001***
Specific conductivity	66.843	< 0.001***	103.380	< 0.001***	17.869	< 0.001***
Hydraulic conductivity per unit	34.159	< 0.001***	53.917	< 0.001***	4.293	< 0.001***
Xylem density	29.945	< 0.001***	182.663	< 0.001***	13.889	< 0.001***
Water potential	504.226	< 0.001***	944.457	< 0.001***	149.269	< 0.001***
Stem
Hydraulic conductivity	37.093	< 0.001***	62.685	< 0.001***	5.965	< 0.001***
Specific conductivity	28.417	< 0.001***	70.885	< 0.001***	11.664	< 0.001***
Leaf specific conductivity	44.587	< 0.001***	156.376	< 0.001***	8.806	< 0.001***
Huber value	2.279	0.091	9.335	< 0.001***	2.099	0.048*
Water potential	117.016	< 0.001***	261.355	< 0.001***	32.473	< 0.001***
Branch
Hydraulic conductivity	19.917	< 0.001***	45.575	< 0.001***	29.154	< 0.001***
Specific conductivity	28.143	< 0.001***	51.744	< 0.001***	21.923	< 0.001***
Leaf specific conductivity	32.666	< 0.001***	82.887	< 0.001***	55.191	< 0.001***
Huber value	3.148	0.033*	1.748	0.170	4.553	< 0.001***
Water potential	120.699	< 0.001***	313.780	< 0.001***	65.830	< 0.001***

*significant at P < 0.05; ***significant at P < 0.001.