Bioactivity of Powder and Extracts from Garlic, Allium sativum L. (Alliaceae) and Spring Onion, Allium fistulosum L. (Alliaceae) against Callosobruchus maculatus F. (Coleoptera: Bruchidae) on Cowpea, Vigna unguiculata (L.) Walp (Leguminosae) Seeds

Table 2

Fumigant toxicity of test essential oils to C. maculatus adults and eggs.

Test insect species	Test plant species	${\text{LC}}_{50}$	${\text{LC}}_{95}$	Regression equation	DF	Slope ($\pm$SE)
		(95% Confidence limits)	(95% Confidence limits)
Adults	A. sativum	15.46 (12.44–19.153)	$157.122\hspace{0.17em}\hspace{0.17em}(104.97\text{–}235.058)$	$Y\mathrm{\hspace{0.17em}\hspace{0.17em}}=-1.948+1.638x$	3	$1.638\mathrm{\hspace{0.17em}\hspace{0.17em}}\pm \mathrm{\hspace{0.17em}\hspace{0.17em}}0.024$
	A. fistulosum	23.144 (18.403–29.059)	$363.125\hspace{0.17em}\hspace{0.17em}(205.718\text{–}643.59)$	$Y=-1.883+1.38x$	3	$1.38\mathrm{\hspace{0.17em}\hspace{0.17em}}\pm \mathrm{\hspace{0.17em}\hspace{0.17em}}0.021$
Eggs	A. sativum	14.536 (11.826–17.953)	$142.789\hspace{0.17em}\hspace{0.17em}(79.183\text{–}262.334)$	$Y=-1.933+1.663x$	3	$1.663\mathrm{\hspace{0.17em}\hspace{0.17em}}\pm \mathrm{\hspace{0.17em}\hspace{0.17em}}0.032$
	A. fistulosum	20.844 (15.589–28.232)	$335.986\hspace{0.17em}\hspace{0.17em}(137.429\text{–}858.69)$	$Y=-1.802+1.367x$	3	$1.367\mathrm{\hspace{0.17em}\hspace{0.17em}}\pm \mathrm{\hspace{0.17em}\hspace{0.17em}}0.031$

DF: Degree of Freedom; SE: Standard Error.