Symptoms of Fern Distortion Syndrome 12 months after inoculation of fern rhizomes with fluorescent pseudomonads isolated from symptomatic and asymptomatic leatherleaf fern.

1Strains of fluorescent pseudomonads used in each treatment are shown in Table 1. 2HRZ = Inside rhizomes of healthy-appearing ferns from a fernery in Florida without history of Benlate use; SRS = Rhizosphere (roots and rhizomes) of symptomatic ferns in Costa Rica; SRZ = inside rhizomes of symptomatic ferns in Costa Rica. 3Using the 0 to 3 rating scale described by Kloepper et al. [1]. 4Mean of 8 replicate plants per treatment. Means followed by different letters are significantly different at P = 0.01.