Mitigation of adverse effects of salinity stress on sunflower plant (Helianthus annuus L.) by exogenous application of chitosan

Bulletin of the National Research Centre

Table 2 Effect of salt stress (S0, S1, and S2), chitosan concentration (Ch0, Ch1, Ch2, and Ch3) and their interaction on growth characters of sunflower plant (data are means of two seasons)

Treatment		Shoot length (cm)	No of leaves/plant	Stem Circum (cm)	Fresh weight (gm)	Dry weight (gm)
S0		70.07	18.08	2.48	54.23	6.74
S1		74.64	18.17	2.82	59.31	7.41
S2		51.58	15.08	2.06	34.56	4.32
L.S.D		NS	NS	NS	NS	NS
Control		55.42	14.89	1.87	40.74	5.09
Ch1		64.18	17.00	2.39	50.43	6.25
Ch2		72.92	19.22	2.94	56.96	7.12
Ch3		69.23	17.33	2.60	49.34	6.17
L.S.D. at 5%		1.45	0.63	0.1	1.45	0.22
S0	Ch0	58.07	15.33	1.8	46.47	5.81
	Ch1	68.63	18	2.33	57.12	6.98
	Ch2	78.70	20.33	3.03	63.94	7.99
	Ch3	74.87	18.67	2.73	49.41	6.18
S1	Ch0	65.27	16.67	2.17	49.22	6.15
	Ch1	74.00	18.33	2.73	60.2	7.56
	Ch2	81.33	19.67	3.37	66.41	8.3
	Ch3	78.07	18	3	61.1	7.64
S2	Ch0	42.93	12.67	1.63	26.54	3.32
	Ch1	49.90	14.67	2.10	33.67	4.21
	Ch2	58.73	17.67	2.43	40.54	5.07
	Ch3	54.77	15.33	2.07	37.51	4.69
L.S.D. at 5%		2.51	1.08	0.17	2.51	0.39