Table 2. Mortality^¹ of elm leaf beetle larvae on elm treated with various Bacillus thuringiensis strains in greenhouse trials.

Rate formulation/100 gal		Percent mortality
Trial 1
ABG 6263	0.5 lb	90.4%
ABG 6263	1.0 lb	94.0%
ABG 6263	2.0 lb	96.4%
M-One	4.0 qt	67.5%
Trial 2
ABG 6263	0.5 lb	52.0%
ABG 6263	1.0 lb	68.1%
ABG 6263	2.0 lb	92.0%
M-One	2.0 qts	(-23.9%)
M-One	4.0 qts	(-13.9%)
M-One	8.0 qts	30.0%

↵1 Corrected 72 hour mortality based on Abbott’s formula (1925). Mortality based on