Study of the Variability of the Chemical Profile, and Biological Activity Approaches of Hedychium coronarium J. Koenig Essential Oil from Different Habitats of Uttarakhand, India

Table 4

LC₅₀ values of essential oils for nematode mortality against J₂s of M. incognita.

Sample	Hr	LC50 (%)
HCPNO	24	3.63 ± 0.07^bc
	48	2.55 ± 0.02^c
	72	3.04 ± 0.05^bc
	96	2.52 ± 0.03^c
HCBO	24	2.26 ± 0.24^c
	48	3.29 ± 0.07^bc
	72	4.37 ± 0.33^bc
	96	6.08 ± 0.08^ab
HCNO	24	3.16 ± 0.03^bc
	48	3.51 ± 0.02^bc
	72	3.23 ± 0.04^bc
	96	2.57 ± 0.01^c
HCPO	24	8.40 ± 0.02^a
	48	8.58 ± 0.02^a
	72	4.41 ± 0.08^bc
	96	1.79 ± 0.01^c

LC₅₀ = Lethal concentration; HCPNO = H. coronarium essential oil from G.B.P.U.A. & T., Pantnagar, HCBO = H. coronarium essential oil from Chandika, Bageshwar, HCNO = H. coronarium essential oil from Dogaon, Nainital, HCPO = H. coronarium essential oil from MES colony, Pithoragarh.