Treat. −MPa	Spike (g plant⁻¹)
Treat. −MPa	F. m.	%	D. m.	%
0.0	0.752	100	0.298	100
0.3	0.541	71.9	0.230	77.2
0.6	0.742	98.7	0.310	104.2
0.9	0.679	90.4	0.282	94.6
1.2	0.617	82.0	0.254	85.2
1.5	0.523	69.5	0.215	72.1
0.0 + Cu 1	1.08	143.6	0.461	154.7
0.3 + Cu I	0.842	111.9	0.365	122.5
0.6 + Cu I	0.958	127.4	0.318	106.7
0.9 + Cu I	0.108	144.8	0.416	139.6
1.2 + Cu I	1.22	162.2	0.514	172.5
1.5 + Cu I	1.07	142.8	0.288	96.6
0.0 + CuI1	0.967	128.6	0.290	97.3
0.3 + Cu II	0.9 97	134.4	0.299	100.3
0.6 + Cu II	0.941	125.1	0.378	126.8
0.9 + Cu II	0.940	125	0.386	129.5
1.2 + Cu II	0.940	125	0.394	132.2
1.5 + Cu II	0.907	120.6	0.367	123.2
L. S. D. 5%	0.13		0.11