TABLE 1.

Specificities of MAbs 12C9 and 18E2 for P. halstedii as determined by ELISA

Species and race	ODa
	MAb 12C9	MAb 18E2
P. halstedii race 1	0.97 ± 0.009	0.88 ± 0.004
P. halstedii race A	0.87 ± 0.003	0.84 ± 0.006
P. halstedii race B	0.76 ± 0.004	0.73 ± 0.008
P. halstedii race C	0.83 ± 0.002	0.83 ± 0.004
P. halstedii race D	0.83 ± 0.004	0.87 ± 0.002
P. viticola	<0.03	<0.03
A. tenuis	<0.03	<0.03
Aspergillus sp.	<0.03	<0.03
Botrytis sp.	<0.03	<0.03
Cladosporium sp.	<0.03	<0.03
Epicoccum sp.	<0.03	<0.03
Fusarium avenaceum	<0.03	<0.03
Fusarium poae	<0.03	<0.03
Fusarium graminearum	<0.03	<0.03
Fusarium tricinctum	<0.03	<0.03
Mucor sp.	<0.03	<0.03
Nigrospora sp.	<0.03	<0.03
Penicillium sp.	<0.03	<0.03
Phomopsis sp.	<0.03	<0.03
Pythium sp.	<0.03	<0.03
Trichothecium sp.	<0.03	<0.03

^aResults indicate the optical density at 405 nm of a 1:4 dilution of the solutions obtained after color development and correspond to the mean values of triplicate experiments ± standard deviations.