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Experiments were conducted for two years to evaluate biologicals and
chemicals for control of internal fruit rot of peppers caused by Fusarium
subglutinans under greenhouse conditions. Fusarium subglutinans
inoculum was pipetted on flowers of sweet peppers cv. Sympathy one day after
applications of chemical and biological treatments. Pepper fruits were assessed
for disease incidence and fruit weight sixty days after inoculation of flowers.
Pepper fruits in PreStop®, Rovral® , BASF-516 and Quadra-137 treatments were
significantly less infected than those observed in inoculated control treatment
for 3 inoculations dates in both years. Treatments with Mycostop® and
PlantShield® showed significantly less infected fruits compared with the control
on 2 inoculations dates in both years. Flowers treated with Rovral® had
significantly higher fruit weight compared with the control on 4 inoculation
dates in 2003 and for 3 inoculation dates in 2004. Treatments with PreStop® and
Quadra-137 produced heavier fruit than the control treatment for 3 inoculation
dates in both years. These results suggest that these chemical and biological
treatments have the potential to prevent internal fruit rot caused by F.
subglutinans on peppers under greenhouse conditions.
