Radiation Processed Carrageenan Improves Plant Growth, Physiological Activities, and Alkaloids Production in Catharanthus roseus L.

Table 2

Effect of six foliar concentrations of irradiated carrageenan (ICR) on fresh and dry weights per plant of Catharanthus roseus L. at 120 and 150 DAP. Means within a column followed by the same letter(s) are not significantly different ().

Treatments (mg L^−1)	Fresh weight per plant (g)		Dry weight per plant (g)
	120 DAP	150 DAP	120 DAP	150 DAP
ICR 0	65.60^f	71.63^f	11.75^f	12.70^f
ICR 20	68.70^e	74.90^e	12.20^e	13.43^e
ICR 40	75.20^d	86.84^d	12.78^d	15.70^d
ICR 60	79.46^c	90.36^c	13.16^c	16.24^c
ICR 80	88.95^a	101.35^a	16.15^a	18.16^a
ICR 100	85.25^b	98.10^b	13.90^b	16.90^b
LSD at 5%	2.40	2.28	0.29	0.17