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Abstract

Background: Many alien plant species, such as Tithonia diversifolia, T. rotundifolia and T. tubaeformis, have been introduced to areas outside of their natural distribution range to provide benefits, but have subsequently become invasive, threatening biodiversity and agricultural productivity....

Author(s)
Witt, A. B. R.; Shackleton, R. T.; Beale, T.; Nunda, W.; Wilgen, B. W. van
Publisher
South African National Biodiversity Institute, Pretoria, South Africa
Citation
Bothalia - African Biodiversity & Conservation, 2019, 49, 1,
Abstract

Opuntia stricta (Haw.) Haw (Cactaceae) is invasive in Laikipia County, Kenya, impacting negatively on biodiversity and livelihoods. To control this invasive plant the biocontrol agent Dactylopius opuntiae (Cockerell) (Hemiptera; Dactylopiidae) 'stricta' biotype was released in 2014. A preliminary...

Author(s)
Witt, A. B. R.; Nunda, W.; Makale, F.; Reynolds, K.
Publisher
Springer, Amsterdam, Netherlands
Citation
BioControl, 2020, 65, 4, pp 515-523
Abstract

Background: Although Kenya has a relatively high number of registered biopesticide products, little is known about biopesticide use by smallholders. This paper documents farmers' current use and perception of chemical pesticides and biopesticides, their willingness to pay for biopesticides, and the ...

Author(s)
Constantine, K. L.; Kansiime, M. K.; Mugambi, I.; Nunda, W.; Chacha, D.; Rware, H.; Makale, F.; Mulema, J.; Lamontagne-Godwin, J.; Williams, F.; Edgington, S.; Day, R.
Publisher
Wiley, Chichester, UK
Citation
Pest Management Science, 2020, 76, 11, pp 3615-3625
Abstract

Invasive alien plant species such as Chromolaena odorata have negative impacts on biodiversity, ecosystem services and human well-being. Ecological impacts of this shrub are relatively well understood, but its impacts on local livelihoods and perceptions are poorly documented. We mapped C. odorata...

Author(s)
Shackleton, R. T.; Witt, A. B. R.; Nunda, W.; Richardson, D. M.
Publisher
Springer, Amsterdam, Netherlands
Citation
Biological Invasions, 2017, 19, 4, pp 1285-1298
Abstract

BACKGROUND: This paper documents farmer perceptions and management practices for fall armyworm (Spodoptera frugiderda J.E. Smith), providing a baseline for the development of sustainable pest management strategies. RESULTS: 91% of farmers correctly identified fall armyworm, and reported it as the...

Author(s)
Kansiime, M. K.; Mugambi, I.; Rwomushana, I.; Nunda, W.; Lamontagne-Godwin, J.; Rware, H.; Phiri, N. A.; Chipabika, G.; Ndlovu, M.; Day, R.
Publisher
Wiley, Chichester, UK
Citation
Pest Management Science, 2019, 75, 10, pp 2840-2850

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