Treat.	CuSO₄(ppm)	Soluble protein
Cv. Assiut 84		Root	%	Stem	%	Leaves	%
	0	60.82	100	49.63	100	116.79	100
CuSO₄	100	34.33**	56.44	45.15**	90.98	117.54	100.64
	200	32.09**	52.76	43.66**	87.97	76.12**	65.18
	350	28.36**	46.63	38.81**	78.20	69.03**	59.11
CuSO₄ + IAA	0	93.27**	153.35	94.04**	189.49	170.96**	146.38
	100	96.54**	158.73	115.77**	233.28	199.04**	170.42
	200	101.54**	166.95	108.85**	219.33	209.62**	179.48
	350	99.23**	163.15	49.63	210.80	200.77**	171.91
L. S. D. 0.05%		1.32		2.55		2.02
Cv. Assiut 125	0	32.09	100	28.36	100	78.73	100
CuSO₄	100	20.15**	62.79	35.08**	123.69	85.08**	108.06
	200	23.13**	72.09	25.00**	88.16	87.31**	110.90
	350	21.27**	66.28	24.25**	85.53	142.31**	180.75
CuSO₄ + IAA	0	80.19**	249.89	106.54**	375.69	190.58**	242.06
	100	77.12**	240.31	110.00**	387.90	172.89**	219.59
	200	74.04**	230.72	82.31**	290.24	151.15**	191.99
	350	73.46**	228.93	75.00**	264.48	158.08**	200.78
L. S. D. 0.05%		1.26		1.79		0.78