CASSAVA4 ­ Fungi and Bacteria

Slide Number 1
Date
Site Colombia
Hosts cassava
Disease Name Concentric-ring leaf spot
Scientific name of pathogen Phoma - Phyllosticta sp.
Subject Field defoliated by Phoma
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 2
Date 7/23/74
Site Colombia
Hosts cassava
Disease Name Concentric-ring leaf spot
Scientific name of pathogen Phoma - Phyllosticta sp.
Subject Phoma symptoms/Carlos Lozano
Slide credit Thurston
Additional information

Slide Number 3
Date
Site Colombia
Hosts cassava
Disease Name Concentric-ring leaf spot
Scientific name of pathogen Phoma - Phyllosticta sp.
Subject Phoma leaf spots and dieback
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 4
Date 7/23/74
Site Colombia
Hosts cassava
Disease Name Concentric-ring leaf spot
Scientific name of pathogen Phoma - Phyllosticta sp.
Subject Phoma symptoms
Slide credit Thurston
Additional information

Slide Number 5
Date 7/23/74
Site Colombia
Hosts cassava
Disease Name Concentric-ring leaf spot
Scientific name of pathogen Phoma - Phyllosticta sp.
Subject "Thin" cassava caused by Phoma on susceptible variety
Slide credit Thurston
Additional information

Slide Number 6
Date
Site Colombia
Hosts Cassava
Disease Name Cassava rust
Scientific name of pathogen Uromyces spp.
Subject Rust pustules on stem
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 7
Date 1/13/75
Site Near Santigo, Dom. Republic
Hosts Cassava
Disease Name Cassava rust
Scientific name of pathogen Uromyces spp.
Subject Rust on leaves
Slide credit Thurston
Additional information

Slide Number 8
Date 6/23/78
Site Lima, Peru
Hosts Cassava
Disease Name Powdery Mildew
Scientific name of pathogen Oidium manihotis
Subject Symptoms on leaves
Slide credit Thurston
Additional information

Slide Number 9
Date 6/23/78
Site Lima, Peru
Hosts Cassava
Disease Name Powdery Mildew or cassava ash
Scientific name of pathogen Oidium manihotis
Subject Symptoms on leaves
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 10
Date 1/16/74
Site Colombia
Hosts Cassava
Disease Name Root knot nematode
Scientific name of pathogen Meloidogyne spp.
Subject galls on cassava roots
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 11
Date
Site Colombia
Hosts cassava
Disease Name stem rot
Scientific name of pathogen Glomerella cingulata
Subject fruiting bodies on stem
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 12
Date
Site Colombia
Hosts cassava
Disease Name root rot complex
Scientific name of pathogen Phytophthora spp. & Fusarium spp.
Subject Symptoms
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 13
Date 1984
Site Zaire
Hosts cassava
Disease Name
Scientific name of pathogen
Subject Fungal deterioration of cassava
which is later eaten!
Slide credit Ambayeba Muimba-Kankolongo
Additional information

Slide Number 14
Date
Site Colombia
Hosts cassava
Disease Name Phytophthora root rot
Scientific name of pathogen Phytophthora drechsleri
Subject Symptoms
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 15
Date
Site Colombia
Hosts cassava
Disease Name Pythium root rot
Scientific name of pathogen Pythium spp.
Subject Symptoms on roots - damping off
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 16
Date
Site Colombia
Hosts cassava
Disease Name Black root rot
Scientific name of pathogen Rosellinia necatrix
Subject Symptoms on roots
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 17
Date
Site Colombia
Hosts cassava
Disease Name Pythium root rot
Scientific name of pathogen Pythium spp.
Subject Symptoms on roots
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 18
Date 7/22/74
Site CIAT, Colombia
Hosts cassava
Disease Name cassava root rots
Scientific name of pathogen various
Subject roots rotted by basidiomycetes
Slide credit Thurston
Additional information

Slide Number 19
Date
Site Colombia
Hosts cassava
Disease Name stem rot
Scientific name of pathogen various species of fungi
Subject fruiting bodies on stems
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 20
Date 7/24/74
Site CIAT, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Soil clamps for storage of cassava
Slide credit Thurston
Additional information

Slide Number 21
Date 7/24/74
Site CIAT, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Soil clamps for storage of cassava
Slide credit Thurston
Additional information

Slide Number 22
Date
Site Colombia
Hosts
Disease Name Cassava bacterial blight
Scientific name of pathogen Xanthomonas campestris pv. manihotis
Subject Bacteria on Kelman's TZC medium
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 23
Date
Site Colombia
Hosts cassava
Disease Name Cassava bacterial blight
Scientific name of pathogen Xanthomonas campestris pv. manihotis
Subject leaf spots
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 24
Date
Site Colombia
Hosts cassava
Disease Name Cassava bacterial blight
Scientific name of pathogen Xanthomonas campestris pv. manihotis
Subject leaf spots
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 25
Date
Site Colombia
Hosts cassava
Disease Name Cassava bacterial blight
Scientific name of pathogen Xanthomonas campestris pv. manihotis
Subject wilting and dieback
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 26
Date
Site Colombia
Hosts cassava
Disease Name Cassava bacterial blight
Scientific name of pathogen Xanthomonas campestris pv. manihotis
Subject wilting
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 27
Date
Site Colombia
Hosts cassava
Disease Name Cassava bacterial blight
Scientific name of pathogen Xanthomonas campestris pv. manihotis
Subject infected leaf tips (where dew accumulates)
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 28
Date
Site Colombia
Hosts cassava
Disease Name Cassava leaf spot
Scientific name of pathogen Xanthomonas campestris pv. cassavae
Subject symptoms on leaves
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 29
Date
Site Colombia
Hosts cassava
Disease Name Bacterial stem rot
Scientific name of pathogen Erwinia sp.
Subject tip wilting
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 30
Date
Site Colombia
Hosts cassava
Disease Name Bacterial stem rot
Scientific name of pathogen Erwinia sp.
Subject canker on stem
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 31
Date
Site Colombia
Hosts cassava
Disease Name Bacterial stem gall
Scientific name of pathogen Agrobacterium sp.
Subject gall on stem
Slide credit Carlos Lozano - CIAT
Additional information

Slide Number 32
Date 3/21/80
Site Popayan, Colombia
Hosts cassava
Disease Name
Scientific name of pathogen
Subject manganese mineral deficiency of cassava
Slide credit Thurston
Additional information