In Vitro Biological Activity of Beauveria bassiana, Beauveria peruviensis, and Metarhizium sp. against Hypothenemus hampei (Coleoptera: Curculionidae)

Table 2

Lethal time 50 and 90 (LT₅₀ and LT₉₀) of Beauveria bassiana, B. peruviensis, and Metarhizium sp. on adults of Hypothenemus hampei at doses of 1 × 10⁵, 1 × 10⁷, and 1 × 10⁹ conidia/mL⁻¹.

Treatment	Test 1					Test 2
	LT50 (h)		LT90 (h)			LT50 (h)		LT90 (h)
	Mean	VR	Mean	VR		Mean	VR	Mean	VR
B. peruviensis 1 × 10^5	71.3	(61.9–80.2)	114.7	(99.4–146.9)	<0.0001	81.0	(69.1–92.7)	141.9	(118.6–201.2)	<0.0001
B. peruviensis 1 × 10^7	68.2	(62.4–73.7)	98.4	(89.6–113.0)	<0.0001	69.6	(61.6–77.2)	112.8	(99.3–138.4)	<0.0001
B. peruviensis 1 × 10^9	62.8	(52.0–72.5)	90.2	(77.4–124.2)	<0.0001	62.8	(52.0–72.5)	90.2	(77.4–124.2)	<0.0001
B. bassiana 1 × 10^5	69.8	(58.4–79.9)	1007	(86.8–137.3)	<0.0001	76.1	(66.8–84.9)	115.3	(101.1–145.5)	<0.0001
B. bassiana 1 × 10^7	64.6	(53.5–74.4)	91.3	(78.5–126.0)	<0.0001	69.1	(58.2–78.9)	104.3	(89.7–140.0)	<0.0001
B. bassiana 1 × 10^9	60.4	(53.5–66.9)	81.9	(73.1–99.8)	<0.0001	56.1	(47.5–63.9)	83.9	(72.6–109.4)	<0.0001
Metarhizium sp. 1 × 10^5	84.7	(73.6–95.9)	143.2	(121.3–196.4)	<0.0001	86.9	(68.7–106.5)	157.4	(123.1–310.7)	<0.0001
Metarhizium sp. 1 × 10^7	71.8	(58.5–83.6)	105.7	(89.7−54.0)	<0.0001	65.1	(54.2–75.0)	110.0	(93.1–149.8)	<0.0001
Metarhizium sp. 1 × 10^9	61.3	(49.3–72.0)	97.7	(81.7–140.2)	<0.0001	59.5	(46.7–70.8)	101.9	(83.7–151.6)	<0.0001

VR = variation range.