Table 7.

LC₃₀, LC₅₀, and LC₉₀ value for insecticidal activity of HCCRO and HCCAO against S. litura.

Sample	Time (h)	LC30 (%)	LC50 (%)	LC90 (%)	Chi-Squared	Regression Equation
HCCAO	24	0.005	0.007	0.01	0.80	y = 0.06x + 0.38
	48	0.004	0.006	0.01	0.83	y = 0.06x + 0.51
	72	0.004	0.005	0.009	0.88	y = 0.06x + 0.43
HCCRO	24	0.006	0.007	0.01	0.82	y = 0.005x + 0.30
	48	0.005	0.006	0.01	0.74	y = 0.062x + 0.42
	72	0.004	0.005	0.008	0.80	y = 0.07x + 0.27

LC—Lethal concentration; HCCAO—Hedychium coccineum aerial part essential oil; HCCRO—Hedychium coccineum rhizome part essential oil.