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In 1845 a strain of the water mold Phytophthora infestans, which causes late blight in potatoes (as well as tomato plants), arrived in Ireland accidentally from North America. When plants become infected with it, lesions appear on the leaves, petioles, and stems.
North America
null
null
null
-109
51
In 1845 a strain of the water mold Phytophthora infestans, which causes late blight in potatoes (as well as tomato plants), arrived in Ireland accidentally from North America. When plants become infected with it, lesions appear on the leaves, petioles, and stems.
Éire / Ireland
Éire / Ireland
null
null
-7.97946
52.865196
Late Blight Disease Discovered on Florida Potato
Florida, United States
United States
Florida
null
-81.463984
27.756767
#Alertasyngenta 🙌 In southeast of Buenos Aires, the cultivation of potatoes rests from the late blight💪 but not of the monitoring 🧐 attentive to the pests 🪲 that can affect your crop!Know more in our weekly report 🥔👇
Buenos Aires, Comuna 6, Ciudad Autónoma de Buenos Aires, Argentina
Argentina
Ciudad Autónoma de Buenos Aires
Buenos Aires
-58.437089
-34.607568
Also, these photos are from the highlands in Uganda where the late blight of potato is rampant
Uganda
Uganda
null
null
32.216658
1.533355
Based to the most recent past, in 2008 there were a lot of late blight in northern Ecuador and southern Colombia, specifically in Putumayo and Nariño.But this time the interesting thing is that another Solanacea was affected by this disease: tree tomato.
Ecuador
Ecuador
null
null
-79.366697
-1.339767
Based to the most recent past, in 2008 there were a lot of late blight in northern Ecuador and southern Colombia, specifically in Putumayo and Nariño.But this time the interesting thing is that another Solanacea was affected by this disease: tree tomato.
Colombia
Colombia
null
null
-72.908813
4.099917
World late blight news: Distribution of major clonal lineages EU_13_A2, EU_2_A1 and EU_23_A1 of Phytophthora infestans associated with potato late blight across crop seasons and regions in Algeria
Algérie
Algérie
null
null
2.999983
28.000027
European Potato Crop Impacted By Extreme Humidity, Late Blight Spray Costs At Historical Level – Potatoes News North Western Europe will have had one of its most humid summers in the last decades – in some areas in Belgium and Weste... #potatoes #vegetable
België / Belgique / Belgien
België / Belgique / Belgien
null
null
4.666715
50.640281
First report of late blight caused by Phytophthora infestans in potato in Tibet Autonomous Region of China
中国
中国
null
null
104.999927
35.000074
First report of late blight caused by Phytophthora infestans in potato in Tibet Autonomous Region of China
西藏自治区 བོད་རང་སྐྱོང་ལྗོངས།, 中国
中国
西藏自治区 བོད་རང་སྐྱོང་ལྗོངས།
null
90.874981
29.855644
#mitochondria First report of late blight caused by Phytophthora infestans in potato in Tibet Autonomous Region of China via
中国
中国
null
null
104.999927
35.000074
#mitochondria First report of late blight caused by Phytophthora infestans in potato in Tibet Autonomous Region of China via
西藏自治区 བོད་རང་སྐྱོང་ལྗོངས།, 中国
中国
西藏自治区 བོད་རང་སྐྱོང་ལྗོངས།
null
90.874981
29.855644
🇮🇹Late blight on potato and tomato in Italy - what lineages are top of the crops now?
Italia
Italia
null
null
12.674297
42.638426
Effects of Fungicide and NPSB Fertilizer Application on Late Blight Disease and Yield of Potato Solanum tuberosum L. in Wombera District North Western Ethiopia #eoi
ኢትዮጵያ
ኢትዮጵያ
null
null
38.65212
10.21167
ATTN tomato and potato growers in #ontag. Late blight was detected this week in tomatoes in Norfolk County, Ontario.
Norfolk County, Southwestern Ontario, Ontario, Canada
Canada
Ontario
null
-80.453837
42.797153
📢successful field visit at the farmer's participatory potato field trial in Germany. The farmer’s “usual” varieties had lost their leaves completely because of extreme late blight pressure, but the project’s varieties were still green🙌 🤩 surprising achievement 🤩
Deutschland
Deutschland
null
null
10.447831
51.163818
Watch out! We have lift off with potato crops beginning to suffer Late Blight damage in Gwynedd.
Gwynedd, Cymru / Wales, United Kingdom
United Kingdom
Cymru / Wales
null
-3.833524
52.908959
Positive results for P. infestans in both Norfolk and Kent County for the period of July 8-12th. P. cubensis was detected at one location in Kent County over the same period. See below for details. #ontag #agtech
Kent County, New Brunswick / Nouveau-Brunswick, Canada
Canada
New Brunswick / Nouveau-Brunswick
null
-65.199525
46.542518
Positive results for P. infestans in both Norfolk and Kent County for the period of July 8-12th. P. cubensis was detected at one location in Kent County over the same period. See below for details. #ontag #agtech
Norfolk County, Southwestern Ontario, Ontario, Canada
Canada
Ontario
null
-80.453837
42.797153
Organic potato crops in the Netherlands hit hard by late blight via
Nederland
Nederland
null
null
5.634323
52.243498
Potato farmer warns about late blight dangers under current rainy conditions in Ontario. Straight talk from the tractor cab. #cropprotection #FightTheBlight
Ontario, Canada
Canada
Ontario
null
-86.000977
50.000678
Late blight studies reveal evolution of potato disease in Europe and Asia via
Ōu
null
null
null
10
51
Late blight studies reveal evolution of potato disease in Europe and Asia via
Asia
null
null
null
89.234375
51.208698
Population structure and host range of the potato late blight pathogen Phytophthora infestans in Peru spanning two decades.
Perú
Perú
null
null
-75.045852
-6.86997
PRO/PL> Late blight, potato - Europe, Asia: population changes
Ōu
null
null
null
10
51
PRO/PL> Late blight, potato - Europe, Asia: population changes
Asia
null
null
null
89.234375
51.208698
Late blight studies reveal evolution of potato disease in Europe and Asia
Ōu
null
null
null
10
51
Late blight studies reveal evolution of potato disease in Europe and Asia
Asia
null
null
null
89.234375
51.208698
Replacing fungicides? GMO potato crops appear to be the only solution to addressing late blight disease in sub-Saharan Africa
Africa
null
null
null
17.757812
11.502434
Alex Barekye, Marc Ghislain, Rick Goodman: Replacing fungicides? GMO potato crops appear to be the only solution to addressing late blight disease in sub-Saharan Africa
Africa
null
null
null
17.757812
11.502434
Replacing fungicides? GMO potato crops appear to be the only solution to addressing late blight disease in sub-Saharan Africa
Africa
null
null
null
17.757812
11.502434
shares information about potato harvests in Bangladesh, where up to 57% of the crop is destroyed annually. GEOPOTATO's weather station predicts the likely timing of Late Blight infections. They then send text or voice alerts in regional dialects to farmers.
বাংলাদেশ
বাংলাদেশ
null
null
90.293441
24.476929
#DYK smallholder potato 🥔 farmers lose millions of tons of potato annually to late blight disease? Experts met in China recently to share ideas 💡 and information on how to minimize this disease and optimize future potato yields. Learn more here… 👉🏼
中国
中国
null
null
104.999927
35.000074
"In China...smallholder potato farmers lose millions of tons of potato and hundreds of millions of dollars annually in potential income due to this (late blight) pathogen‘s effects."
中国
中国
null
null
104.999927
35.000074
AsiaBlight is fighting back! Late blight disease stifles production. In China, smallholder potato farmers lose millions of potential income due to this pathogen‘s effects #AsiaBlight #CCCAP
中国
中国
null
null
104.999927
35.000074
Announcement for Late Blight Alert for Potato farmers in Sonitpur, Assam. Courtesy: Mowsam Hazarika
Sonitpur District, Assam, India
India
Assam
null
92.989871
26.767771
Announcement for Late Blight Alert for Potato farmers in Sonitpur, Assam. Courtesy: Mowsam
Sonitpur District, Assam, India
India
Assam
null
92.989871
26.767771
Very interesting: "Ic mtDNA haplotype P. infestans isolates were unique in their formation of chlamydospores and papillated sporangiophore." Late blight in Ethiopia
ኢትዮጵያ
ኢትዮጵያ
null
null
38.65212
10.21167
Population Structure of Phytophthora infestans from a Single Location in Poland Over a Long Period of Time in Context of Weather Conditions.
Polska
Polska
null
null
19.134422
52.215933
Very happy that the 3rd publication from my PhD thesis, "Population structure of Phytophthora infestans from a single location in Poland over a long period of time in context of weather conditions", was published online. 🥳
Polska
Polska
null
null
19.134422
52.215933
The last ones. The hot last week saved our harvest. Now the late blight is killing the plants. So happy wirh this tomato year. #tomatos Wuppertal, Germany
Deutschland
Deutschland
null
null
10.447831
51.163818
Take a look at the short video of our EAS Late #Blight platform site. Tomorrow we will be hosting our Late Blight event in Derbyshire, UK - one of Europe's largest potato blight demonstration platforms. Get in touch with us today if you have any questions!
Derbyshire, England, United Kingdom
United Kingdom
England
null
-1.556618
53.118503
Take a look at the short video of our EAS Late #Blight platform site. Tomorrow we will be hosting our Late Blight event in Derbyshire, UK - one of Europe's largest potato blight demonstration platforms. Get in touch with us today if you have any questions!
United Kingdom
United Kingdom
null
null
-3.276575
54.702355
Take a look at the short video of our EAS Late #Blight platform site. Tomorrow we will be hosting our Late Blight event in Derbyshire, UK - one of Europe's largest potato blight demonstration platforms. Get in touch with us today if you have any questions!
Ōu
null
null
null
10
51
PRO/PL> Late blight, potato - Russia: (SL)
Россия
Россия
null
null
97.745306
64.686314
NEWS: Potato growers target clean finish to season as #blight pressure resurfaces. Mixed weather patterns across many regions in the UK and Ireland is leading to localised outbreaks of late blight in potatoes. Full article ➡️
United Kingdom
United Kingdom
null
null
-3.276575
54.702355
NEWS: Potato growers target clean finish to season as #blight pressure resurfaces. Mixed weather patterns across many regions in the UK and Ireland is leading to localised outbreaks of late blight in potatoes. Full article ➡️
Éire / Ireland
Éire / Ireland
null
null
-7.97946
52.865196
The rainfall in Northwest China is more than that in past years, and the disease has generally occurred, which increased the pressure of prevention and PLB control. The picture shows the Potato Late Blight at Dingxi, Gansu, China. #cipotato #foodsecurity #CGIAR #CCCAP #AsiaBlight
定西市, 安定区, 定西市, 甘肃省, 中国
中国
甘肃省
定西市
104.622983
35.581021
The rainfall in Northwest China is more than that in past years, and the disease has generally occurred, which increased the pressure of prevention and PLB control. The picture shows the Potato Late Blight at Dingxi, Gansu, China. #cipotato #foodsecurity #CGIAR #CCCAP #AsiaBlight
中国
中国
null
null
104.999927
35.000074
The rainfall in Northwest China is more than that in past years, and the disease has generally occurred, which increased the pressure of prevention and PLB control. The picture shows the Potato Late Blight at Dingxi, Gansu, China. #cipotato #foodsecurity #CGIAR #CCCAP #AsiaBlight
甘肃省, 中国
中国
甘肃省
null
102
38
Population structure and host range of the potato late blight pathogen Phytophthora infestans in Peru spanning two decades.
Perú
Perú
null
null
-75.045852
-6.86997
This month we are sharing radio resources about managing pests, like this story from Nigeria: Farmers adopt recommended practices to manage late blight in Irish potato Read it in English, French & Hausa. Or read our related script:
Nigeria
Nigeria
null
null
7.999972
9.600036
40% of the total tomato purée production of Turkey comes from Bursa region. According to the report coming from that region, 90% of tomato plants are wiped off due to the late blight disease, indicating shortage of tomato purée and price increase #foodsecurity #pathogen #crops
Türkiye
Türkiye
null
null
34.924965
38.959759
40% of the total tomato purée production of Turkey comes from Bursa region. According to the report coming from that region, 90% of tomato plants are wiped off due to the late blight disease, indicating shortage of tomato purée and price increase #foodsecurity #pathogen #crops
Bursa, Osmangazi, Bursa, Marmara Bölgesi, 16230, Türkiye
Türkiye
null
Bursa
29.067548
40.182737
,phytophthora infestans is a threat to solanaceae family here in Kenya and especially for a crop like tomato
Kenya
Kenya
null
null
38.431398
1.441968
Alberta had almost been late blight free until 2010 when late blight was discovered in potato fields. Read more how spore trapping projects are helping #AbAg and #OntAg stay ahead of the disease: #potatocropwatch
Alberta, Canada
Canada
Alberta
null
-115.002136
55.001251
It comes like fire: Managing late blight of potato in Nigeria. This script shares the stories of small-scale farmers from Jos, Nigeria. We learn about their experiences and their efforts to prevent and combat the disease, in their own words. #Farmerstories
Nigeria
Nigeria
null
null
7.999972
9.600036
Late blight spore traps in action in Canada; more Colorado potato beetles seen by scouts
Canada
Canada
null
null
-107.991707
61.066692
Population structure and host range of the potato late blight pathogen in Peru.
Perú
Perú
null
null
-75.045852
-6.86997
PRO/PL> Late blight, potato – Ireland, UK: alert
United Kingdom
United Kingdom
null
null
-3.276575
54.702355
PRO/PL> Late blight, potato – Ireland, UK: alert
Éire / Ireland
Éire / Ireland
null
null
-7.97946
52.865196
PRO/PL> Late blight, potato - Ireland, UK: alert
United Kingdom
United Kingdom
null
null
-3.276575
54.702355
Late blight observed in NE Alabama on one of the few commercial potato fields we have left in the state.
Northeast Alabama Regional Airport, Turnberry Lane, Gadsden, Etowah County, Alabama, 35906, United States
United States
Alabama
null
-86.086893
33.971678
Potato late blight in Europe
Ōu
null
null
null
10
51
Crop failures caused by late blight, disease that destroys leaves & edible roots, or tubers, of potato plant. Causative agent of late blight is the water mold Phytophthora infestans. The Irish famine was the worst to occur in Europe in the 19th century.
Ōu
null
null
null
10
51
Phytophthora infestans on tomato - killed all of them in my garden one summer (most summers...) in only a few days. A truly devastating pathogen, causes late blight of potato and tomato. Has had a profound effect on the history of Britain and Ireland- still felt today.
Great Britain, United Kingdom
United Kingdom
null
null
-1.918153
54.315159
(most likely) Phytophthora infestans, tomato taken by me at the Infectario in Brazil show me what you got! #iyph2020
Brasil
Brasil
null
null
-53.2
-10.333333
First Report of Phytophthora infestans A2 Mating Type in Ecuador
Ecuador
Ecuador
null
null
-79.366697
-1.339767
First Report of the A2 Mating Type of Phytophthora infestans on Potato in Hungary
Magyarország
Magyarország
null
null
19.506094
47.181759
Potato farmers in Plateau State have been advised to adopt a variety of farming practices including crop rotation, so...
Plateau, Nigeria
Nigeria
Plateau
null
9.682629
9.058345
Potato farmers advised to adopt measures against late blight disease in Plateau State.
Plateau, Nigeria
Nigeria
Plateau
null
9.682629
9.058345
Plateau farmers brace for late blight outbreak as planting season starts Potato farmers in Plateau State have been advised to adopt a variety of farming practices including crop rotation, sole cropping, application of pesticides and selection of healthy
Plateau, Nigeria
Nigeria
Plateau
null
9.682629
9.058345
Nigeria: Farmers Adopt Measures Against Irish Potato Late Blight
Nigeria
Nigeria
null
null
7.999972
9.600036
Potato late blight in Europe
Ōu
null
null
null
10
51
Nigeria: farmers adopt recommended practices to combat the mildiou of the potato #farmerstories
Nigeria
Nigeria
null
null
7.999972
9.600036
Nigeria: Farmers adopt recommended practices to manage late blight in Irish potato #Farmerstories #potatoes
Nigeria
Nigeria
null
null
7.999972
9.600036
Late blight disease affects 10% potato crop; Jalandhar, Hoshiarpur farmers worried
Jalandhar, Jalandhar I Tahsil, Jalandhar District, Punjab, 144001, India
India
Punjab
Jalandhar
75.576889
31.332376
#Potato Late blight genotype EU_33_A2 reported in #Nigeria
Nigeria
Nigeria
null
null
7.999972
9.600036
PRO/PL> Late blight, potato - Africa: strain 33_A2, 1st rep (Nigeria)
Africa
null
null
null
17.757812
11.502434
PRO/PL> Late blight, potato - Africa: strain 33_A2, 1st rep (Nigeria)
Nigeria
Nigeria
null
null
7.999972
9.600036
Population structure and host range of the potato late blight pathogen Phytophthora infestans in Peru spanning two decades
Perú
Perú
null
null
-75.045852
-6.86997
Super #openaccess study on population structure and host range of the potato late blight pathogen #Phytophthora infestans in Peru spanning two decades:
Perú
Perú
null
null
-75.045852
-6.86997
Really nice work by and her colleagues from Population structure and host range of the potato late blight pathogen Phytophthora infestans in Peru spanning two decades
Perú
Perú
null
null
-75.045852
-6.86997
Great work by colleagues at - Population structure and host range of the potato late blight pathogen Phytophthora infestans in Peru spanning two decades
Perú
Perú
null
null
-75.045852
-6.86997
Enthusiastic delegates from across Asia meeting in Beijing. A lot of potato late blight data 'in the wings' awaiting standardisation and database upload. playing a key role. Clear benefits to late blight IPM
Asia
null
null
null
89.234375
51.208698
Late-season potato late blight confirmed in Clinton Co., Michigan. Sample received from home garden, genotyping in progress.
Michigan, United States
United States
Michigan
null
-84.682435
43.621196
Agree wholeheartedly. Add to the list EU lineages of potato late blight reported in Nigeria in 2018 through hard work by and studies in Kenya by #AfricaBlight needed #euroblight
Kenya
Kenya
null
null
38.431398
1.441968
Agree wholeheartedly. Add to the list EU lineages of potato late blight reported in Nigeria in 2018 through hard work by and studies in Kenya by #AfricaBlight needed #euroblight
Nigeria
Nigeria
null
null
7.999972
9.600036
Large sub-clonal variation in Phytophthora infestans from recent severe late blight epidemics in India.
India
India
null
null
78.667743
22.351115
Late blight continues to spread in Pennsylvania tomato fields despite prophylactic applications of protectant and translaminar fungicides.
Pennsylvania, United States
United States
Pennsylvania
null
-77.727883
40.969989
Well technically the potato crops in Ireland failed because of late blight. I'm sure the potatoes didn't want to be taken out like that!
Éire / Ireland
Éire / Ireland
null
null
-7.97946
52.865196
Farm visits in the Tyrone area of Pennsylvania today (September 3, 2019) revealed a late blight outbreak on a commercial vegetable farm. Cool nights coupled with heavy dew will cause this disease to spread quickly on unprotected tomato and potato plants.
Tyrone, Blair County, Pennsylvania, United States
United States
Pennsylvania
null
-78.238348
40.670551
Farm visits in the Tyrone area of Pennsylvania today (September 3, 2019) revealed a late blight outbreak on a commercial vegetable farm. Cool nights coupled with heavy dew will cause this disease to spread quickly on unprotected tomato and potato plants.
Pennsylvania, United States
United States
Pennsylvania
null
-77.727883
40.969989
Late blight on tomatoes confirmed in Haywood Co, NC.
North Carolina, United States
United States
North Carolina
null
-79.039292
35.672964
Late blight on tomatoes confirmed in Haywood Co, NC.
Haywood County, North Carolina, United States
United States
North Carolina
null
-82.990782
35.54562
Late blight on tomato in western NC (Haywood County). Alert growers to put out their preventative sprays!
North Carolina, United States
United States
North Carolina
null
-79.039292
35.672964
Late blight on tomato in western NC (Haywood County). Alert growers to put out their preventative sprays!
Haywood County, North Carolina, United States
United States
North Carolina
null
-82.990782
35.54562
Is the late blight pathogen adapting to warmer, drier weather? Six fields in Idaho are infected with US 23 under conditions not favourable for late blight. #potato
United States
United States
null
null
-100.445882
39.78373
Is the late blight pathogen adapting to warmer, drier weather? Six fields in Idaho are infected with US 23 under conditions not favourable for late blight. #potato
Canada Saddle, Idaho County, Idaho, United States
United States
Idaho
null
-115.803237
45.399565

What is it?

This dataset includes the main text of Tweets that report the plant pest potato late blight (P. infestans) in a location, and the manually verified geolocation, as extracted by a geocoder.

This data was produced as part of the publication: Saffer, Ariel, Laura Tateosian, Amanda C. Saville, Yi-Peng Yang, and Jean B. Ristaino. “Reconstructing Historic and Modern Potato Late Blight Outbreaks Using Text Analytics.” Scientific Reports 14, no. 1 (February 15, 2024): 1–13. https://doi.org/10.1038/s41598-024-52870-2.

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