Search Results - "McEwan, Margaret"

Disaster Plant Pathology: Smart Solutions for Threats to Global Plant Health from Natural and Human-Driven Disasters by Etherton, Berea A, Choudhury, Robin A, Alcalá Briseño, Ricardo I, Mouafo-Tchinda, Romaric A, Plex Sulá, Aaron I, Choudhury, Manoj, Adhikari, Ashish, Lei, Si Lin, Kraisitudomsook, Nattapol, Buritica, Jacobo Robledo, Cerbaro, Vinicius A, Ogero, Kwame, Cox, Cindy M, Walsh, Stephen P, Andrade-Piedra, Jorge L, Omondi, Bonaventure Aman, Navarrete, Israel, McEwan, Margaret A, Garrett, Karen A

“…Disaster plant pathology addresses how natural and human-driven disasters impact plant diseases and the requirements for smart management solutions. Local to…”
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Why interventions in the seed systems of roots, tubers and bananas crops do not reach their full potential by Almekinders, Conny J. M., Walsh, Steve, Jacobsen, Kim S., Andrade-Piedra, Jorge L., McEwan, Margaret A., de Haan, Stef, Kumar, Lava, Staver, Charles

“…Seed systems for roots, tuber, and banana (RTB) crops receive relatively little attention from development-oriented research and commercial seed sector actors,…”
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Autoinducer-fluorophore conjugates enable FRET in LuxR proteins in vitro and in cells by Styles, Matthew J., Boursier, Michelle E., McEwan, Margaret A., Santa, Emma E., Mattmann, Margrith E., Slinger, Betty L., Blackwell, Helen E.

“…Cell-to-cell signaling, or quorum sensing (QS), in many Gram-negative bacteria is governed by small molecule signals ( N -acyl- l -homoserine lactones, AHLs)…”
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“Breaking through the 40% adoption ceiling: Mind the seed system gaps.” A perspective on seed systems research for development in One CGIAR by McEwan, Margaret A, Almekinders, Conny JM, Andrade-Piedra, Jorge JL, Delaquis, Erik, Garrett, Karen A, Kumar, Lava, Mayanja, Sarah, Omondi, Bonaventure A, Rajendran, Srinivasulu, Thiele, Graham

“…Seed systems research is central to achieving the United Nations Sustainable Development Goals. Improved varieties with promise for ending hunger, improving…”
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Gender dynamics in seed systems: female makeover or male takeover of specialized sweetpotato seed production, in Lake Zone Tanzania? by McEwan, Margaret A., Matui, Moses S., Mayanja, Sarah, Namanda, Sam, Ogero, Kwame

“…Interest is growing for the development of inclusive seed production models. However, there is limited understanding of gender-based roles and constraints and…”
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Participatory validation and optimization of the Triple S method for sweetpotato planting material conservation in southern Ethiopia by Hundayehu, Mihiretu C., McEwan, Margaret, Namanda, Sam, Low, Jan W., Vandamme, Elke, Brouwer, Roland

“…A climate-resilient, root-based sweetpotato planting material (SPM) conservation method called “Triple S” or “ torage in and and prouting” has created timely…”
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Comparative analysis for producing sweetpotato pre-basic seed using sandponics and conventional systems by Makokha, Phabian, Ssali, Reuben T., Rajendran, Srinivasulu, Wanjala, Bramwel W., Matasyoh, Lexa G., Kiplagat, Oliver K., McEwan, Margaret A., Low, Jan W.

“…In Sub-Saharan Africa, sweetpotato pre-basic seed is multiplied in screenhouses using a sterilized soil substrate. This is expensive and unsustainable. The use…”
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Strategies for the development of the sweetpotato early generation seed sector in eastern and southern Africa by Rajendran, Srinivasulu, Kimenye, Lydia N., McEwan, Margaret

“…Smallholders in Eastern and Southern Africa(ESA) have limited access to timely availability of quality sweetpotato seed which contributes to sub-optimal root…”
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Decentralised sweetpotato (Ipomoea batatas) vine multiplication in Lake Zone, Tanzania: Five years later by McEwan, Margaret A., Almekinders, Conny J. M., Matui, Moses S., Lusheshanija, Dorothy, Massawe, Mariana, Chirimi, Baker, Ogero, Kwame

“…Farmer-based seed multiplication is widely promoted by development practitioners, but there is limited understanding of the individual or collective…”
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Yield potential of sandponically produced sweetpotato (Ipomoea batatas (L.) Lam) pre-basic seed for selected genotypes by Makokha, Phabian, Ssali, Reuben T., Wanjala, Bramwel W., Rajendran, Srinivasulu, McEwan, Margaret A., Low, Jan W.

“…Sufficient sweetpotato ( (L.) Lam) pre-basic seed at the start of the “seed” value chain is critical and often a bottleneck in the production of sweetpotato in…”
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Specialised Sweetpotato Vine Multiplication in Lake Zone, Tanzania: What “Sticks” and What Changes? by McEwan, Margaret A., Lusheshanija, Dorothy, Shikuku, Kelvin, M., Sindi, Kirimi

“…In Lake Zone, Tanzania, farmers were trained to multiply and distribute quality sweetpotato planting material. The objectives of this study were to assess…”
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Development and validation of a measure of the impact of epilepsy on a young person’s quality of life: Glasgow epilepsy outcome scale for young persons (GEOS-YP) by Townshend, Kathryn H, Dorris, Liam, McEwan, Margaret J, Aylett, Sarah E, Brodie, Martin J, O’Regan, Mary, Espie, Colin A

“…Abstract Objective The goal of the work described here was to develop and validate a measure of the impact of epilepsy on an adolescent’s quality of life that…”
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Gendered sweetpotato trait preferences and implications for improved variety acceptance in Uganda by Mulwa, Chalmers K., Campos, Hugo, Bayiyana, Irene, Rajendran, Srinivasulu, Ssali, Reuben, McEwan, Margaret, Heck, Simon

“…The principal selection objective in crop breeding has for a long time been driven by agronomic gains like yield maximization and climate resilience…”
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Loop‐mediated isothermal amplification assay: A novel disease diagnostics tool in sweetpotato seed quality assurance by Wanjala, Bramwel W., Kreuze, Jan F., McEwan, Margaret A., Low, Jan W.

“…Sweetpotato is an important food crop in global production. However, sweetoptato viruses pose a threat to sustainable agriculture and cause significant…”
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The bacterial wilt burden in the seed potato system in Ethiopia: a case of Oromia and Southern Nations’ regions by Tessema, Lemma, Kakuhenzire, Rogers, Seid, Ebrahim, Negash, Kasaye, McEwan, Margaret

“…The productivity of potatoes is constrained by many diseases, and bacterial wilt caused by Ralstonia solanacearum (Rs) is among the major production…”
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Nutrition and food security impacts of quality seeds of biofortified orange-fleshed sweetpotato: Quasi-experimental evidence from Tanzania by Shikuku, Kelvin Mashisia, Okello, Julius Juma, Wambugu, Stella, Sindi, Kirimi, Low, Jan W., McEwan, Margaret

“…•We assessed the impacts of increased availability of disease-free orange-fleshed sweetpotato varieties.•Availability of orange-fleshed sweetpotato varieties…”
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Effect of Farmers' Multidimensional Beliefs on Adoption of Biofortified Crops: Evidence from Sweetpotato Farmers in Tanzania by Shikuku, Kelvin Mashisia, Okello, Julius Juma, Sindi, Kirimi, Low, Jan W., Mcewan, Margaret

“…We examined the effect of multidimensional farmers' beliefs on the likelihood of cultivating planting materials of biofortified orange-fleshed sweetpotato…”
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Degeneration of cleaned-up, virus-tested sweetpotato seed vines in Tanzania by Ogero, Kwame, Okuku, Haile Selassie, Wanjala, Bramwel, McEwan, Margaret, Almekinders, Conny, Kreuze, Jan, Struik, Paul, van der Vlugt, René

“…Viruses pose a major challenge to sweetpotato production in Tanzania. Use of cleaned-up, virus-tested seed vines distributed through a formal seed system is…”
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Detection of six potato viruses using double antibody sandwich ELISA from in vitro, screen house and field grown potato crops in Ethiopia by Tessema, Lemma, Kakuhenzire, Rogers, Seid, Ebrahim, Tafesse, Shiferaw, Tadesse, Yitagesu, Negash, Kasaye, McEwan, Margaret

“…Virus infection in seed potato reduces yield, and the problem is exacerbated when an early-generation seed is affected. The prevalence of six key potato…”
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Putting diverse farming households’ preferences and needs at the centre of seed system development by Mausch, Kai, Almekinders, Conny J.M., Hambloch, Caroline, McEwan, Margaret Anne

“…Over recent decades international agricultural research has shown that it can generate agricultural technologies with benefits for societies in the Global…”
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