Ruta chalepensis L. Essential Oil Has a Biological Potential for a Natural Fight against the Pest of Stored Foodstuffs: Tribolium castaneum Herbst

Table 4

Equation of regression lines, regression coefficients, and lethal dose 50 (LD₅₀) values evaluated for the 4 incubation durations tested.

Time (h)	Equation of regression	R^2	Logdose	DL50 (μl/ml)
12	Y = 1.8787x + 5.6561	0.8126	−0.349	0.447
24	Y = 3.0405x + 6.7947	0.6485	−0.590	0.257
36	Y = 3.5151x + 7.4497	0.7067	−0.697	0.201
48	Y = 4.5358x + 8.4142	0.8156	−0.753	0.176