Pepper disease control

82 Pages·2009·2.46 MB·English

PPeeppppeerr ddiisseeaassee ccoonnttrrooll
PPaarrmm RRaannddhhaawwaa,, PPhh..DD..
CCaalliiffoorrnniiaa SSeeeedd && PPllaanntt LLaabb
Agenda
Symptom recognition
Where the disease
come from
Disease Management
Check list
Disease control in
greenhouse Depends on
Growing in soil
Containers (with potting mix)
Hydroponic (Rockwool etc)
Fusarium stem rot
Fusarium - Infection at nodes
Red perithecia
(Sexual spores can discharge to 6 ft at night
Fusarium
How is pathogen introduced
Soil (people, tools)
Previous crop (debris etc)
Airborne ascospores
Fusarium - Control
Avoid salt burn (if rockwool dries)
Reduce humidity (slow temp
increase at night)
Bio-control
Water soaking
Fusarium like symptoms
Erwinia stem canker
Erwinia carotovora
How pathogen get introduced
Irrigation with untreated water
(ponds, rivers)
Handling from people (hands)