Description of values of test status

Test Value Meaning
+ 90-100% Positive
- 0-10% positive
(+) 76-89% positive
(-) 11-25% positive
d 26-75% positive
v strain instability

erwinia

Unique Tests Hierarchy for Seperation from other Organisms

1Urease-
2Oxidase-
3Motility+
4D-mannitol-
5D-glucose acid production+
6Catalase production+