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J

James P. Legg

International Institute of Tropical Agriculture

45H-index
226Paper Count
7.5KCitation Count
Published Papers 38
Publication Date
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Effects of Cassava Brown Streak Disease and Harvest Time on Two Cassava Mosaic Disease-Resistant Varieties in Eastern Democratic Republic of the Congo
errAgronomy 2025, Vol. 15, Page 2891
IF0
err2025-12-17
err0
errOAAI
errClerisse M. Casinga; Rudolph R. Shirima; Alain Kangela; Everlyne N. Wosula; Benoit Bashizi; Henry U. Ugentho; Leon N. Nabahungu; Godefroid Monde; Zoumana Bamba; Lava Kumar; James P. Legg
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Pathogen and pest communities in agroecosystems across climate gradients: Anticipating future challenges in the highland tropics
errAGRICULTURAL SYSTEMS
IF6.1
err2025-12-01
err0
errOAAI
errMouafo-Tchinda, Romaric A.; Sula, Aaron I. Plex; Etherton, Berea A.; Okonya, Joshua S.; Nakato, Gloria Valentine; Xing, Yanru; Robledo, Jacobo; Adhikari, Ashish; Blomme, Guy; Kantungeko, Deo; Nduwayezu, Anastase; Kreuze, Jan F.; Kroschel, Jurgen; Legg, James P.; Garrett, Karen A.
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Stem-cutting dipping in insecticides and biopesticide application for the control of Bemisia tabaci whitefly in cassava
errFrontiers in Agronomy
IF4.1
err2025-08-20
err0
errOAAI
errMassoud Amour†; Khamis A. Issa†; Everlyne N. Wosula; Mathias Ndalahwa; Flora Stephano; David Chandler; Innocent Ndyetabula; James P. Legg
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Decision support for managing an invasive pathogen through efficient clean seed systems: Cassava mosaic disease in Southeast Asia
errAgricultural Systems
IF6.1
err2025-07-15
err0
errOAAI
errKelsey F. Andersen Onofre; Erik Delaquis; Jonathan C. Newby; Stef de Haan; Cu Thi Le Thuy; Nami Minato; James P. Legg; Wilmer J. Cuellar; Ricardo I. Alcalá Briseño; Karen A. Garrett
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Farmer knowledge of cassava brown streak and cassava mosaic diseases in Tanzania
errCrop Protection
IF2.5
err2025-06-05
err0
PREAI
errJuma W. Yabeja; Mkabwa L.K. Manoko; Rudolph R. Shirima; James P. Legg
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Improved quality signaling boosts farmers' willingness to pay for quality assured cassava planting materials: evidence from experimental auctions in the Lake Zone of Tanzania
errFRONTIERS IN SUSTAINABLE FOOD SYSTEMS
IF3.1
err2025-05-12
err0
errOAAI
errMsami, Jessey A.; Nickas, Jonas; Kihimba, Hemed A.; Nkwabi, James J.; Legg, James P.
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Accelerated cassava varietal turnover in Tanzania, a direct result of cassava seed system interventions
errFRONTIERS IN SUSTAINABLE FOOD SYSTEMS
IF3.1
err2025-03-12
err0
errOAAI
errMsami, Jessey A.; Ndalahwa, Mathias; Nickas, Jonas; Arbogast, Maria; Nkwabi, James; Mwakyusa, Nsajigwa; Mwenisongole, Ambilikile; Matondo, Dwasi; Kumar, P. Lava; Legg, James P.
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Occurrence and Distribution of Major Cassava Pests and Diseases in Cultivated Cassava Varieties in Western Kenya
errVIRUSES-BASEL
IF3.5
err2024-09-15
err3
errOAAI
errWosula, Everlyne N.; Shirima, Rudolph R.; Amour, Massoud; Woyengo, Vincent W.; Otunga, Bonface M.; Legg, James P.
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Influence of altitude as a proxy for temperature on key Musa pests and diseases in watershed areas of Burundi and Rwanda
errHELIYON
IF3.6
err2023-03-01
err6
errOAAI
errNakato, Gloria Valentine; Okonya, Joshua Sikhu; Kantungeko, Deo; Ocimati, Walter; Mahuku, George; Legg, James Peter; Blomme, Guy
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Epidemiological Analysis of Cassava Mosaic and Brown Streak Diseases, and Bemisia tabaci in the Comoros Islands
errVIRUSES-BASEL
IF3.5
err2022-09-30
err7
errOAAI
errShirima, Rudolph Rufini; Wosula, Everlyne Nafula; Hamza, Abdou Azali; Mohammed, Nobataine Ali; Mouigni, Hadji; Nouhou, Salima; Mchinda, Naima Mmadi; Ceasar, Gloria; Amour, Massoud; Njukwe, Emmanuel; Legg, James Peter
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Early detection of plant virus infection using multispectral imaging and spatial-spectral machine learning
errSCIENTIFIC REPORTS
IF3.9
err2022-02-24
err20
errOAAI
errPeng, Yao; Dallas, Mary M.; Ascencio-Ibanez, Jose T.; Hoyer, J. Steen; Legg, James; Hanley-Bowdoin, Linda; Grieve, Bruce; Yin, Hujun
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Expansion of the Cassava Brown Streak Disease Epidemic in Eastern Democratic Republic of Congo
errPLANT DISEASE
IF4.4
err2021-08-01
err11
errOAAI
errCasinga, C. M.; Shirima, R. R.; Mahungu, N. M.; Tata-Hangy, W.; Bashizi, K. B.; Munyerenkana, C. M.; Ughento, H.; Enene, J.; Sikirou, M.; Dhed'a, B.; Monde, G.; Kumar, P. L.; Legg, J. P.
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errSave
Plant pest surveillance: from satellites to molecules
errEMERGING TOPICS IN LIFE SCIENCES
IF3.3
err2021-03-15
err24
errOAAI
errSilva, Goncalo; Tomlinson, Jenny; Onkokesung, Nawaporn; Sommer, Sarah; Mrisho, Latifa; Legg, James; Adams, Ian P.; Gutierrez-Vazquez, Yaiza; Howard, Thomas P.; Laverick, Alex; Hossain, Oindrila; Wei, Qingshan; Gold, Kaitlin M.; Boonham, Neil
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errSave
Accuracy of a Smartphone-Based Object Detection Model, PlantVillage Nuru, in Identifying the Foliar Symptoms of the Viral Diseases of Cassava-CMD and CBSD
errFRONTIERS IN PLANT SCIENCE
IF4.8
err2020-12-18
err30
errOAAI
errMrisho, Latifa M.; Mbilinyi, Neema A.; Ndalahwa, Mathias; Ramcharan, Amanda M.; Kehs, Annalyse K.; McCloskey, Peter C.; Murithi, Harun; Hughes, David P.; Legg, James P.
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Life history and temperature-dependence of cassava-colonising populations ofBemisia tabaci
errJOURNAL OF PEST SCIENCE
IF4.1
err2020-06-17
err20
PREAI
errAregbesola, O. Z.; Legg, J. P.; Lund, O. S.; Sigsgaard, L.; Sporleder, M.; Carhuapoma, P.; Rapisarda, C.
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Assessing the Degeneration of Cassava Under High-Virus Inoculum Conditions in Coastal Tanzania
errPLANT DISEASE
IF4.4
err2019-10-01
err25
errOAAI
errShirima, Rudolph R.; Maeda, Daniel G.; Kanju, Edward E.; Tumwegamire, Silver; Ceasar, Gloria; Mushi, Edda; Sichalwe, Caroline; Mtunda, Kiddo; Mkamilo, Geoffrey; Legg, James P.
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The Role of Women in Production and Management of RTB Crops in Rwanda and Burundi: Do Men Decide, and Women Work?
errSUSTAINABILITY
IF3.3
err2019-08-09
err11
errOAAI
errOkonya, Joshua Sikhu; Mudege, Netsayi Noris; Rietveld, Anne M.; Nduwayezu, Anastase; Kantungeko, Deo; Hakizimana, Bernadette Marie; Nyaga, John Njuki; Blomme, Guy; Legg, James Peter; Kroschel, Jurgen
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Genome of the African cassava whitefly Bemisia tabaci and distribution and genetic diversity of cassava-colonizing whiteflies in Africa
errINSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY
IF3.7
err2019-07-01
err50
errOAAI
errChen, Wenbo; Wosula, Everlyne N.; Hasegawa, Daniel K.; Casinga, Clerisse; Shirima, Rudolph R.; Fiaboe, Komi K. M.; Hanna, Rachid; Fosto, Apollin; Goergen, Georg; Tamo, Manuele; Mahuku, George; Murithi, Harun M.; Tripathi, Leena; Mware, Bernard; Kumar, Lava P.; Ntawuruhunga, Pheneas; Moyo, Christopher; Yomeni, Marie; Boahen, Stephen; Edet, Michael; Awoyale, Wasiu; Wintemantel, William M.; Ling, Kai-Shu; Legg, James P.; Fei, Zhangjun
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A global surveillance system for crop diseases
errSCIENCE
IF45.8
err2019-06-28
err136
errOAAI
errCarvajal-Yepes, M.; Cardwell, K.; Nelson, A.; Garrett, K. A.; Giovani, B.; Saunders, D. G. O.; Kamoun, S.; Legg, J. P.; Verdier, V.; Lessel, J.; Neher, R. A.; Day, R.; Pardey, P.; Gullino, M. L.; Records, A. R.; Bextine, B.; Leach, J. E.; Staiger, S.; Tohme, J.
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errSave
A Mobile-Based Deep Learning Model for Cassava Disease Diagnosis
errFRONTIERS IN PLANT SCIENCE
IF4.8
err2019-03-20
err127
errOAAI
errRamcharan, Amanda; McCloskey, Peter; Baranowski, Kelsee; Mbilinyi, Neema; Mrisho, Latifa; Ndalahwa, Mathias; Legg, James; Hughes, David P.
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Research Directions

No research directions
Co-authors
Cooperation Journals
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Sophien Kamoun
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Zhangjun Fei
H-index: 104 · Papers: 562
O
Ole Lund
H-index: 98 · Papers: 485
D
Darren P. Martin
H-index: 77 · Papers: 394
J
Jan E. Leach
H-index: 71 · Papers: 281
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