Fig. 3.

The effects of composted animal manure applied as a mulch beneath citrus trees on the mortality of Diaprepes abbreviates sentinel larvae (A) and the prevalence of endemic entomopatho-genic nematodes (EPN) (B), endemic plus exotic EPN (C), sentinel cadavers containing only FLBN (D) and prevalence of Steinernema riobrave (Sr) (E). Half of the plots in each treatment were treated with S. riobrave, and the remaining plots remained untreated. Treatment differences according to two-way analysis of variance of transformed data (arcsin, square-root) are denoted by @ (P ≤ 0.10), *(P ≤ 0.05) or **(P ≤ 0.01). Error bars are standard errors of means. Composted horse manure was applied in March 2004, and composted chicken manure was applied in the same plots on 10 June 2005. Dotted lines indicate S. riobrave application dates.