CASSAVA1 - General

Slide Number 1
Date 1/16/69
Site Palmira, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Field of young cassava
Slide credit Thurston
Additional information

Slide Number 2
Date 11/10/77
Site Cacedonia, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Ornamental cassava
Slide credit Thurston
Additional information

Slide Number 3
Date 1/16/65
Site Palmira, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Mature cassava shrub - Miguel Varon
Slide credit Thurston
Additional information

Slide Number 4
Date 1977
Site Caicedonia, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Healthy cassava leaves
Slide credit James Teri
Additional information

Slide Number 5
Date 3/21/80
Site CIAT, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava roots
Slide credit Thurston
Additional information

Slide Number 6
Date 7/1977
Site Caicedonia, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject James Teri harvesting cassava roots
Slide credit James Teri
Additional information

Slide Number 7
Date ?
Site Africa
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava roots
Slide credit ?
Additional information

Slide Number 8
Date 11/9/86
Site Turrialba, Costa Rica
Hosts
Disease Name
Scientific name of pathogen
Subject H. David Thurston - cassava roots
Slide credit ?
Additional information

Slide Number 9
Date 6/23/78
Site Lima, Peru
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava collection
Slide credit Thurston
Additional information Different plant morphology/shape

Slide Number 10
Date 7/20/72
Site CIAT, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject CIAT cassava collection
Slide credit Thurston
Additional information

Slide Number 11
Date 7/22/72
Site CIAT, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject CIAT cassava collection - variation in root color
Slide credit Thurston
Additional information

Slide Number 12
Date 7/24/72
Site CIAT, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject CIAT cassava collection - wild Manihot species
Slide credit Thurston
Additional information

Slide Number 13
Date 6/23/78
Site Lima, Peru
Hosts
Disease Name
Scientific name of pathogen
Subject Dense shade under cassava canopy
Slide credit Thurston
Additional information

Slide Number 14
Date 6/23/78
Site Lima, Peru
Hosts
Disease Name
Scientific name of pathogen
Subject cassava flowers and seed pods
Slide credit Thurston
Additional information

Slide Number 15
Date
Site
Hosts
Disease Name
Scientific name of pathogen
Subject Slide - cassava botany
Slide credit Puseglove book
Additional information

Slide Number 16
Date 7/22/72
Site CIAT, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Preparing cassava cuttings (stakes) for planting
Slide credit Thurston
Additional information asexual propagation, planting, seed
Slide Number 17
Date 1/6/79
Site Teapa, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava stakes (cuttings) behind farmer's house
Slide credit Thurston
Additional information asexual propagation, planting, seed
Slide Number 18
Date 1/88
Site Thailand
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava stakes (cuttings) in field
Slide credit
Additional information asexual propagation, planting, seed
Slide Number 19
Date 10/26/76
Site Quilcase, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava stakes (cuttings)
Slide credit Thurston
Additional information asexual propagation, planting, seed
Slide Number 20
Date 1/9/86
Site CATIE, Costa Rica
Hosts
Disease Name
Scientific name of pathogen
Subject H. D. Thurston holding cassava stake (cutting) used for planting
Slide credit Thurston
Additional information asexual propagation, planting, seed
Slide Number 21
Date 11/12/78
Site Palmira, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava stakes (cuttings) inserted in soil
Slide credit Thurston
Additional information asexual propagation, planting, seed

Slide Number 22
Date ?
Site Togo
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava defoliated by mealy bugs; note mounds on which cassava was planted
Slide credit Ed Glass
Additional information ridges, mounds, raised beds, insects

Slide Number 23
Date 7/23/74
Site Between Cali & Popayan, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Planting cassava on mounds: note farmer and stakes
Slide credit Thurston
Additional information asexual propagation, planting, seed, ridges, mounds, raised beds

Slide Number 24
Date ?
Site Colombia
Hosts
Disease Name Root rot of cassava
Scientific name of pathogen Phytophthora drechsleri, Pythium spp.
Subject Root rot
Slide credit Carlos Lozano
Additional information poorly drained soil

Slide Number 25
Date 10/26/71
Site N of Manila, Philippines
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava grown on bunds and roadsides as an insurance crop
Slide credit Thurston
Additional information

Slide Number 26
Date 10/26/71
Site N of Manila, Philippines
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava grown on bunds and roadsides as an insurance crop
Slide credit Thurston
Additional information

Slide Number 27
Date 9/9/87
Site Lambayeque, Peru
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava grown on bunds
Slide credit Thurston
Additional information

Slide Number 28
Date 2/79
Site Puerto Ayacucho, Venezuela
Hosts
Disease Name
Scientific name of pathogen
Subject Slash and burn field, cassava
Slide credit Teresita Capiello
Additional information fire

Slide Number 29
Date 2/79
Site Puerto Ayacucho, Venezuela
Hosts
Disease Name
Scientific name of pathogen
Subject Slash and burn field, cassava wilting and burned trees
Slide credit Teresita Capiello
Additional information fire

Slide Number 30
Date 2/79
Site Puerto Ayacucho, Venezuela
Hosts
Disease Name
Scientific name of pathogen
Subject Slash and burn field, cassava, bananas, palms,
Slide credit Teresita Capiello
Additional information fire

Slide Number 31
Date 2/79
Site Puerto Ayacucho, Venezuela
Hosts
Disease Name
Scientific name of pathogen
Subject Slash and burn field, cassava
Slide credit Teresita Capiello
Additional information fire

Slide Number 32
Date 1/6/79
Site Teapa, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Tall cassava with leaves only on top
Slide credit Thurston
Additional information defoliation

Slide Number 33
Date 1/9/82
Site Huimanguillo, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Tall cassava with leaves only on top
Slide credit Thurston
Additional information defoliation

Slide Number 34
Date 3/23/80
Site Popayan, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Cassava experiments; Vernon Gracen & Carlos Lozano
Slide credit Thurston
Additional information

Slide Number 35
Date 7/23/74
Site Popayan, Colombia
Hosts Cassava
Disease Name superelongation
Scientific name of pathogen Sphaceloma manihoticola
Subject Single cassava superelongation plant in foreground; cassava planted on steep slopes with soil erosion
Slide credit Thurston
Additional information typical poor red tropical soils on which cassava is often planted

Slide Number 36
Date 3/23/80
Site Near Cali, Colombia
Hosts Cassava
Disease Name
Scientific name of pathogen
Subject cassava planted on poor eroded soil with soil erosion
Slide credit Thurston
Additional information typical poor red tropical soils on which cassava is often planted

Slide Number 37
Date 3/23/80
Site Near Cali, Colombia
Hosts Cassava
Disease Name
Scientific name of pathogen
Subject cassava planted on poor eroded soil with soil erosion; left farmer's clone doing well; right - CIAT clone doing poorly
Slide credit Thurston
Additional information typical poor red tropical soils on which cassava is often planted; adapted cassava clones

Slide Number 38
Date 3/23/80
Site Popayan, Colombia
Hosts Cassava
Disease Name
Scientific name of pathogen
Subject Foreground: CIAT clone doing poorly; farmer's clone doing well
Slide credit Thurston
Additional information adaptation of cassava clones

Slide Number 39
Date 11/10/77
Site Cacedonia, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Chiza cassava variety which gives 20 tons/ha on farmers land
Slide credit Thurston
Additional information

Slide Number 40
Date 6/30/77
Site Quilcase, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject James Teri's experiments on farmer land
Slide credit Thurston
Additional information Farmer experimentation