Responses of Jatropha curcas to Salt and Drought Stresses

Table 4

Dry weight of leaves, stems, roots, and total of Jatropha plants irrigated with 100%, 70%, 50%, or 30% daily water use (DWU).

Treatment	Leaves (g)	Stems (g)	Roots (g)	Total (g)	Root/shoot
100%	87^az	65^a	49^a	201^a	0.32^a
70%	63^b	47^b	32^b	142^b	0.30^a
50%	51^b	37^c	26^b	115^b	0.29^a
30%	58^b	38^c	27^b	123^b	0.28^a

^zmeans in the same column with same letters are not significantly different tested by Duncan’s multiple comparison.