Antagonistic effects of E. billingiae, E. tasmaniensis on pear slices and apple flowers inoculated with E. amylovora.
A. Symptoms after treatment of pear slices with Eb660, Eb661, FLA03, Et1/99 and Et2/99. One slice from a set of four similar slices with the same treatment is shown.
B. Fire blight symptoms on apple flowers sprayed with Eb660, Eb661, Et1/99 and Et2/99, and then inoculated with 500 cells of E. amylovora Ea1/79Sm. Control was treatment with water before inoculation with E. amylovora (three flowers top right). Evaluation for growth of Ea1/79Sm is given in Table 1. The experiments were repeated at least twice producing similar results.