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Journal Article 1999

Effect of local inoculum on the spread of sweetpotato virus disease: limited infection of susceptible cultivars following widespread cultivation of a resistant sweetpotato cultivar

Autor: Aritua, Valentine Legg, J.P. Smit, N.E. Gibson, R.W.

A study compared the spread of sweet potato virus disease (SPVD) into crops of two moderately resistant and initially SPVD-free sweet potato cultivars in northern and southern Mpigi, Uganda. Whiteflies, the vector of sweet potato chlorotic stunt crini virus (SPCSV), a component cause of SPVD, wer...

Enlace original: https://cgspace.cgiar.org/handle/10568/98040

Investigación en Agricultura

SWEET POTATOES

RESISTANCE TO DISEASE

VIRUS DISEASES

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Aritua, Valentine , Legg, J.P. , Smit, N.E. , Gibson, R.W. , [Effect of local inoculum on the spread of sweetpotato virus disease: limited infection of susceptible cultivars following widespread cultivation of a resistant sweetpotato cultivar] , Effect of local inoculum on the spread of sweetpotato virus disease: limited infection of susceptible cultivars following widespread cultivation of a resistant sweetpotato cultivar

Journal Article 2019-03

Farmer reported pest and disease impacts on root, tuber, and banana crops and livelihoods in Rwanda and Burundi.

Autor: Okonya, J. Ocimati, W. Nduwayezu, A. Kantungeko, D. Niko, N. Blomme, Guy Legg, J.P. Kroschel, J.

Biotic constraints cause major crop losses and, hence, food insecurity in sub-Saharan Africa. This study documented the popularity, production constraints, pests and diseases, farmers’ perceptions on the severity of biotic constraints and the impact of related crop losses on household food securi...

Enlace original: https://cgspace.cgiar.org/handle/10568/100344

Investigación en Agricultura

CROPS

FARMERS ATTITUDES

POTATOES

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Okonya, J. , Ocimati, W. , Nduwayezu, A. , Kantungeko, D. , Niko, N. , Blomme, Guy , Legg, J.P. , Kroschel, J. , [Farmer reported pest and disease impacts on root, tuber, and banana crops and livelihoods in Rwanda and Burundi.] , Farmer reported pest and disease impacts on root, tuber, and banana crops and livelihoods in Rwanda and Burundi.

Journal Article 2019

The role of women in production and management of RTB crops in Rwanda and Burundi: Do men decide, and women work?

Autor: Okonya, J.S. Mudege, Netsayi N. Rietveld, A.M. Nduwayezu, A. Kantungeko, D. Hakizimana, B.M. Nyaga, J.N. Blomme, Guy Legg, J.P. Kroschel, J.

This paper evaluates the determinants of decision-making in relation to the production of four crops (banana, cassava, potato, and sweet potato). Understanding the division of labor and decision-making in crop management may lead to designing better interventions targeted at improving efficiency ...

Enlace original: https://cgspace.cgiar.org/handle/10568/102475

Investigación en Agricultura

GENDER

ROLE OF WOMEN

BANANAS

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Okonya, J.S. , Mudege, Netsayi N. , Rietveld, A.M. , Nduwayezu, A. , Kantungeko, D. , Hakizimana, B.M. , Nyaga, J.N. , Blomme, Guy , Legg, J.P. , Kroschel, J. , [The role of women in production and management of RTB crops in Rwanda and Burundi: Do men decide, and women work?] , The role of women in production and management of RTB crops in Rwanda and Burundi: Do men decide, and women work?

Journal Article 1996

Host associated strains within Ugandan populations of the whitefly Bemisia tabaci (Genn.), (Hom., Aleyrodidae)

Autor: Legg, J.P.

Studies were undertaken to investigate host relationships of populations of Bemisiu tubuci taken from the major crop hosts in Uganda. B. tubuci adults taken from cotton and sweet potato did not colonize cassava. None survived for longer than two days and nymphs emerging from eggs laid on cassava ...

Enlace original: https://cgspace.cgiar.org/handle/10568/101012

Investigación en Agricultura

MORPHOLOGY

CASSAVA

OKRAS

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Legg, J.P. , [Host associated strains within Ugandan populations of the whitefly Bemisia tabaci (Genn.), (Hom., Aleyrodidae)] , Host associated strains within Ugandan populations of the whitefly Bemisia tabaci (Genn.), (Hom., Aleyrodidae)

Journal Article 2017

A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops

Autor: Thomas-Sharma, Sara Andrade-Piedra, J.L. Carvajal-Yepes, Monica Hernández Nopsa, J.F. Jeger, Michael Jones, Roger Kromann, P. Legg, J.P. Yuen, Jonathan Forbes, G. Garrett, K.A.

Enlace original: https://cgspace.cgiar.org/handle/10568/81225

Investigación en Agricultura

BANANAS

CASSAVA

ROOT CROPS

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Thomas-Sharma, Sara , Andrade-Piedra, J.L. , Carvajal-Yepes, Monica , Hernández Nopsa, J.F. , Jeger, Michael , Jones, Roger , Kromann, P. , Legg, J.P. , Yuen, Jonathan , Forbes, G. , Garrett, K.A. , [A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops] , A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops

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Resultados de búsqueda

Effect of local inoculum on the spread of sweetpotato virus disease: limited infection of susceptible cultivars following widespread cultivation of a resistant sweetpotato cultivar

Farmer reported pest and disease impacts on root, tuber, and banana crops and livelihoods in Rwanda and Burundi.

The role of women in production and management of RTB crops in Rwanda and Burundi: Do men decide, and women work?

Host associated strains within Ugandan populations of the whitefly Bemisia tabaci (Genn.), (Hom., Aleyrodidae)

A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops

Descubre y comparte nuestro conocimiento público

Resultados de búsqueda

Effect of local inoculum on the spread of sweetpotato virus disease: limited infection of susceptible cultivars following widespread cultivation of a resistant sweetpotato cultivar

Farmer reported pest and disease impacts on root, tuber, and banana crops and livelihoods in Rwanda and Burundi.

The role of women in production and management of RTB crops in Rwanda and Burundi: Do men decide, and women work?

[The Role_Okonya_2019.pdf]

Host associated strains within Ugandan populations of the whitefly Bemisia tabaci (Genn.), (Hom., Aleyrodidae)

A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops