Comparative studies on the role of benzoic, t-cinnamic, and salicylic acids on growth, some biochemical aspects, and yield of three flax cultivars grown under sandy soil conditions

Bulletin of the National Research Centre

Table 15 Effect of cultivars and phenolic acid concentrations on photosynthetic pigments, IAA, and phenolic content of flax plants grown under sandy soil conditions (data are means of two successive seasons)

Cultivars	Concentrations (mg/l)	Chlorophyll a	Chlorophyll b	Carotenoids	Total pigments	IAA (μg/g FW)	Phenolic content (mg/100 g FW)
Cultivars	Concentrations (mg/l)	(mg/g FW)				IAA (μg/g FW)	Phenolic content (mg/100 g FW)
Blanka	Control	1.31	0.43	0.42	2.16	27.67	58.65
	50	1.58	0.56	0.52	2.65	42.84	90.82
	75	1.68	0.66	0.55	2.89	51.08	108.07
	100	1.86	0.69	0.57	3.11	54.57	115.90
Line-4	Control	1.26	0.46	0.41	2.13	18.50	39.22
	50	1.39	0.54	0.42	2.36	26.56	56.30
	75	1.56	0.55	0.49	2.60	35.72	75.72
	100	1.60	0.65	0.57	2.82	39.65	84.05
Giza-8	Control	1.01	0.44	0.35	1.80	24.25	51.41
	50	1.45	0.55	0.39	2.38	37.81	80.16
	75	1.44	0.60	0.46	2.51	52.68	111.69
	100	1.33	0.58	0.42	2.33	59.34	125.80
LSD 0.05		0.05	0.13	0.11	0.17	1.30	3.85