Data from two assays for each crop cycle were pooled for final
analysis after finding no significant system×assay interaction in
a preliminary analysis of variance. The following variables were
analyzed by multifactorial ANOVA: the percentage of P. cactorum
infested baits in drain water and growing medium for the three
soilless systems, and in the drain water and filtered solution for the
CSSF system, aswell as the severity of crown rot in the three soilless
systems. Statistically significant means were compared by Tukey’s
whole significant difference test (P≤0.05).