P.INF - Phytophthora infestans
Slide Number 1
Date 3/6/56
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen
Subject Typical blight lesion on leaf
Slide credit Thurston
Additional information
Slide Number 2
Date 10/1/90
Site Ithaca, NY
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Tuber blight: Kathadin susceptible; L- 388-1
Resistant
Slide credit Thurston
Additional information
Slide Number 3
Date 8/20/70
Site Ithaca, NY
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Tuber blight
Slide credit Thurston
Slide Number 4
Date
Site
Hosts
Disease Name
Scientific name of pathogen
Subject 8-14 pounds of potatoes/day eaten by Irish before
1845-46 late blight famine - quote from The Potato Murain
by E. C. Large - page 23
Slide credit
Additional information Phytophthora infestans, late blight of
potato, hunger, starvation
Slide credit
Additional information
Slide Number 5
Date
Site
Hosts
Disease Name
Scientific name of pathogen
Subject H. David Thurston and Olmstead at the Crookston
PPCCC (Plant Pathology Crookston Concentration Camp)
Slide credit Thurston
Additional information
Slide Number 6
Date 9/29/55
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Discarding seedling infected with P. infestans
- Beatriz Estrada
Slide credit Thurston
Additional information
Slide Number 7
Date 11/4/54
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Doña Julia Guzman and helper taking notes
on blight infection
Slide credit Thurston
Additional information
Slide Number 8
Date 11/4/54
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Seedling test; infected and resistant potato
seedlings
Slide credit Thurston
Additional information
Slide Number 9
Date 10/21/54
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Inoculated potato seedlings in flats in greenhouse
Slide credit Thurston
Additional information
Slide Number 10
Date 10/21/54
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Potato seedlings resistant to P. inf. in pots
outside of greenhouse
Slide credit Thurston
Additional information
Slide Number 11
Date 4/6/56
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Field of hybrids produced with P. inf. resistance
Slide credit Thurston
Additional information
Slide Number 12
Date 3/26/56
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Hybrids (harvested from pots) with resistance
to P. inf.
Slide credit Thurston
Additional information
Slide Number 13
Date 5/20/60
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Late blight test of CCC (Colombian Coleción
Central) potato collection
Slide credit Thurston
Additional information
Slide Number 14
Date 12/13/55
Site Tibaitata, Colombia
Hosts Potato - S. andigenum
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Late blight test of CCC S. Andigenum collection
Slide credit Thurston
Additional information
Slide Number 15
Date 12/7/55
Site Tibaitata, Colombia
Hosts Potato - S. andigenum
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject CCC 198 - Algodona - resistant
CCC 199 - Flora - susceptible
Slide credit Thurston
Additional information
Slide Number 16
Date 12/7/55
Site Tibaitata, Colombia
Hosts Potato - S. andigenum
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject CCC 815 - Leona - susceptible
CCC 818 - Jabonilla - resistant
Slide credit Thurston
Additional information
Slide Number 17
Date 12/7/55
Site Tibaitata, Colombia
Hosts Potato - S. phureja
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject CCC 1 - Soliman - resistant
CCC 10 - Crilolla rosada - susceptible
Slide credit Thurston
Additional information
Slide Number 18
Date 12/7/55
Site Tibaitata, Colombia
Hosts Potato - S. phureja
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject CCC 330 - Tocana blanca - susceptible
CCC 818 - Parda - resistant
Slide credit Thurston
Additional information
Slide Number 19
Date 1/14/60
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject General resistance to P. inf. (S. tuberosum)
L-R CCC 725 (Chile) Susc.
Alpha (medium) and Ackersegen Rest.
Slide credit Thurston
Additional information
Slide Number 20
Date 3/1/60
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject General resistance to P. inf. (S. andigenum)
L-R; Monserrate (High
Rest., Algodona (rest.), Tocana (Susc.)
Curipamba (High Susc.)
Slide credit Thurston
Additional information
Slide Number 21
Date 12/19/59
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject General resistance to P. inf. (S. phureja) L-R:
Chaucha amarilla (Susc.)
Criolla rosada (Intermediate), Soliman
(Resistant)
Slide credit Thurston
Additional information
Slide Number 22
Date 6/2/60
Site Tibaitata, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Resistant - CCC 804 Ackersegen - Poor sporulation
Medium sporulation - CCC 798 -Alpha
Susceptible - CCC 725 - C54-3 profuse sporulation
Slide credit Thurston
Additional information
Slide Number 23
Date 3/1/60
Site Tibaitata, Colombia
Hosts Potato - S. Andigenum
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject AR - high resistance - Monseratte
R - resistant ; M - medium; S - susceptible
Slide credit Thurston
Additional information
Slide Number 24
Date 3/1/60
Site Tibaitata, Colombia
Hosts Potato - S. Andigenum
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject AR - high resistance - Monserrate
R - resistant - Algodona
M - medium - Tocana Blanca
S - susceptible - Curipamba
Slide credit Thurston
Additional information
Slide Number 25
Date 6/6/60
Site Tibaitata, Colombia
Hosts Potato - S. Andigenum
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject White Rose - medium resistance
Cobbler - dead
Monserrate - high resistance
Slide credit Thurston
Additional information
Slide Number 26
Date 5/23/63
Site Pasto, Colombia
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject CCC test for blight resistance; Carlos Ranjel
and Edmundo Perez
Slide credit Thurston
Additional information
Slide Number 27
Date 7/15/59
Site Tibaitata, Colombia
Hosts Potato - S. Andigenum
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Monserrate - resistant in fungicide test with
other varieties almost dead
Slide credit Thurston
Additional information
Slide Number 28
Date 9/20/63
Site Tibaitata, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Tuber progeny of Suma Pax x Tocana s Blanca
Slide credit Thurston
Additional information breeding, diversity, genetics
Slide Number 29
Date 9/20/63
Site Tibaitata, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Tuber progeny of Suma Pax x Tocana Blanca
Slide credit Thurston
Additional information breeding, diversity, genetics
Slide Number 30
Date 3/23/80
Site Popayan, Colombia
Hosts
Disease Name
Scientific name of pathogen
Subject Potato field killed by P. infestans
Slide credit Thurston
Additional information breeding, diversity, genetics
Slide Number 31
Date 1987
Site Toluca, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Nevada de Toluca
Slide credit Thurston
Additional information
Slide Number 32
Date 8/3/62
Site Toluca, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Toluca Exp. Station - Nevada de Toluca in the
background
Slide credit Thurston
Additional information
Slide Number 33
Date 8/5/74
Site Toluca, Mexico
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Susceptible Alpha var. dead and clones resistant
to P. inf. in the background
Slide credit Thurston
Additional information
Slide Number 34
Date 8/2/62
Site Toluca, Mexico
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Niederhauser and Heidrick amidst Colombian clones
sent for testing for resistance
Slide credit Thurston
Additional information
Slide Number 35
Date 8/2/62
Site Toluca, Mexico
Hosts Potato
Disease Name Late Blight
Scientific name of pathogen Phytophthora infestans
Subject Monserrate (highly resistant) amid potatoes killed
by blight
Slide credit Thurston
Additional information
Slide Number 36
Date 8/2/62
Site Toluca, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Wild Solanum species growing on edge of ditch
in the Toluca Exp. Station
Slide credit Thurston
Additional information
Slide Number 37
Date 8/19/63
Site Toluca, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Potato fields on the slopes of the Nevada de
Toluca, Mexico
Slide credit Thurston
Additional information
Slide Number 38
Date 8/19/63
Site Toluca, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Potato (Solanum andigenum) fields on the slopes
of the Nevada de Toluca; wild species if Solanum on sides
of ditch
Slide credit Thurston
Additional information
Slide Number 39
Date 8/19/63
Site Toluca, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Potato (Solanum andigenum) fields on the slopes
of the Nevada de Toluca; note mixture of clones with flowers
of different colors
Slide credit Thurston
Additional information
Slide Number 40
Date 8/19/73
Site Toluca, Mexico
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Ken Sayre, Mexican farmers, and late blight +
Niederhauser's son chewing bubble gum
Slide credit Thurston
Additional information
PHYTOPHTHORA INFESTANS 2
Slide Number 41
Date 8/5/74
Site Toluca, Mexico
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Soil-borne oospores causing infection on leaf
touching the soil
Slide credit Thurston
Additional information
Slide Number 42
Date 8/1/62
Site Toluca, Mexico
Hosts
Disease Name
Scientific name of pathogen
Subject Heidrick, Calderone, and Niederhauser in potato
greenhouse
Slide credit Thurston
Additional information
Slide Number 43
Date 8/5/72
Site Toluca, Mexico
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Bill Fry and Ken Sayre in Cornell late blight
test - Atzimba resistant
Slide credit Thurston
Additional information
Slide Number 44
Date 8/19/73
Site Nevada de Toluca, Mexico
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject P. infestans on wild Solanum species
growing wild
Slide credit Thurston
Additional information
Slide Number 45
Date 8/19/73
Site Nevada de Toluca, Mexico
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Neiderhauser and P. infestans on wild Solanum
species under pines
Slide credit Thurston
Additional information
Slide Number 46
Date 8/3/62
Site Toluca, Mexico
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Rain clouds in PM
Slide credit Thurston
Slide Number 47
Date 8/5/74
Site Toluca, Mexico
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Julia Guzman and Manuel Villareal; Atzimba resitant
Slide credit Thurston
Additional information
Slide Number 48
Date 8/8/62
Site Patzcuaro, Mexico
Hosts Potato
Disease Name Late blight of potato
Scientific name of pathogen Phytophthora infestans
Subject Resistant and susc. potatoes on Mexican peasant
farm
Slide credit Thurston
Additional information campesinos
Slide Number 49
Date 8/5/52
Site Castle Danger, Minnesota
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Freddy Gowan, Dr. Krantz, Chuck Logsdon, Dr.
Eide, and Florian Lauer taking notes in P. inf. plot
Slide credit Thurston
Additional information
Slide Number 50
Date 8/15/57
Site Castle Danger, Minnesota
Hosts
Disease Name
Scientific name of pathogen
Subject Dr. Krantz's cabin on shore of Lake Superior
Slide credit Thurston
Additional information
Slide Number 51
Date 8/15/57
Site Castle Danger, Minnesota
Hosts
Disease Name
Scientific name of pathogen
Subject F. Lauer and C. Eide in front of North Shore
Plant Pathology lab
Slide credit Thurston
Additional information
Slide Number 52
Date 8/4/53
Site Castle Danger, Minnesota
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Late blight test in forest
Slide credit Thurston
Additional information
Slide Number 53
Date 8/5/53
Site Castle Danger, Minnesota
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Chisago test clone killed by P. inf. in blight
plot
Slide credit Thurston
Additional information
Slide Number 54
Date 8/5/53
Site Castle Danger, Minnesota
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Dr. Carl Eide and Chuck Logsdon eliminating susceptible
blight varieties
with pistols
Slide credit Thurston
Additional information pistols, guns
Slide Number 55
Date 8/5/53
Site Castle Danger, Minnesota
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Dr. Krantz and Chuck Logsdon taking notes on
late blight
Slide credit Thurston
Additional information
Slide Number 56
Date 8/4/53
Site Castle Danger, Minnesota
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Late blight test
Slide credit Thurston
Additional information
Slide Number 57
Date
Site Northern Minnesota
Hosts
Disease Name
Scientific name of pathogen
Subject Pretty waitress and C. Eide
Slide credit Thurston
Additional information
Slide Number 58
Date 9/13/51
Site Univ. Farm, St. Paul, MN
Hosts
Disease Name
Scientific name of pathogen
Subject Flooded peat plot P. infestans test
Slide credit Thurston
Additional information flooding
Slide Number 59
Date 9/15/52
Site Univ. Farm, St. Paul, MN
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Silt-loam P. inf. Plot
Right row Kennebec; center Cobbler
Slide credit Thurston
Additional information flooding
Slide Number 60
Date 9/15/52
Site Univ. Farm, St. Paul, MN
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Silt-loam P. inf. plot; Cobbler dead & Kennebec
and President (few plants)
not seriously defoliated by Phytophthora infestans
Slide credit Thurston
Additional information flooding
Slide Number 61
Date 11/24/56
Site
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Chart of Peat P. inf. plot /1954. Race 0; Chart
made with colored paper
Slide credit Thurston
Additional information epidemiology, Phytophthora infestans
Slide Number 62
Date 8/12/52
Site Near East Grand Forks, MN
Hosts
Disease Name
Scientific name of pathogen
Subject "Doc" Koppen in his field of Pontiac
Slide credit Thurston
Additional information Red River Valley
Slide Number 63
Date 8/12/52
Site Near East Grand Forks, MN
Hosts
Disease Name
Scientific name of pathogen
Subject "Doc" Koppen and Carl Eide checking
hygrothermograph
Slide credit Thurston
Additional information Red River Valley; epidemiology,
Phytophthora infestans
Slide Number 64
Date 9/24/68
Site Riverhead, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Late blight test; Green Mountain susceptible;
S. andigenum resistant
Slide credit Thurston
Additional information Long Island
Slide Number 65
Date 9/1/73
Site Freeville, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Late blight test - S. andigenum green; S. tuberosum
- dead
Slide credit Thurston
Additional information
Slide Number 66
Date 7/65
Site Ithaca, NY
Hosts
Disease Name
Scientific name of pathogen
Subject Plastic greenhouse where P. inf .tests made
Cornell University
Slide credit Thurston
Additional information
Slide Number 67
Date 7/79
Site Ithaca, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Late blight test of seedling in plastic greenhouse
Slide credit Thurston
Additional information
Slide Number 68
Site Ithaca, NY
Date 1/31/74
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Late blight test - resistant and susceptible
seedlings
Slide credit Thurston
Additional information
Slide Number 69
Date 3/30/72
Site Ithaca, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Different reactions to P. infestans from hypersensetive
flecks to susc. lesions; intermediate lesions general resistance
Slide credit Thurston
Additional information
Slide Number 70
Date 8/20/75
Site Freeville, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Irrigation in Fry's late blight plots
Slide credit Thurston
Additional information
Slide Number 71
Date 9/4/77
Site Freeville, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Infra-red photos of Fry's late blight plots from
the air
Slide credit William Fry
Additional information
Slide Number 72
Date 9/4/77
Site Freeville, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Fry's late blight plots from the air
Slide credit William Fry
Additional information
Slide Number 73
Date 9/8/74
Site Freeville, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject Taking notes in late blight plots
Slide credit Thurston
Additional information
Slide Number 74
Date 9/2/77
Site Freeville, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject L-521-7 resistant at 1/2 fungicide rate and Wauseon check
susceptible
Slide credit Thurston
Additional information
Slide Number 75
Date 9/18/84
Site Freeville, NY
Hosts Potato
Disease Name Late blight of potatoes
Scientific name of pathogen Phytophthora infestans
Subject N503-158 (S. andigenum) in blight plot and dead
check variety
Slide credit Thurston
Additional information
Slide Number 76
Date
Site
Hosts
Disease Name
Scientific name of pathogen
Subject Slide of P. infestans tests at Freeville, NY
from 1982-1989
Slide credit Thurston
Additional information