Browsing Natural and Agricultural Sciences by Subject "Bioassay"
Now showing items 1-6 of 6
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Development and optimisation of gold nanoparticle based bioassays
(North-West University (South Africa). Potchefstroom Campus, 2019)Gold nanoparticles, in particular nanostars, are being utilised more regularly in the field of biosensing. Despite their useful attributes, there is still a need to optimise aspects of the synthesis and stability of the ... -
Evaluation of different media formulations on spore production and toxicity of Bacillus thuringiensis subsp. aizawai
(North-West University, 2012)One of the major constrains in beekeeping is damage caused by the greater wax moth (Galleria mellonella). Due to problems and concerns regarding the use of chemical insecticides, biopesticides have been introduced to ... -
Host plant suitability and baseline susceptibility of Tuta absoluta (Lepidoptera : Gelechiidae) to insecticides in South Africa
(North-West University (South Africa), 2021)The devastating tomato pest, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) (tomato leafminer/tomato pinworm), originates from South America. It invaded South Africa in 2016. It not only causes severe damage to tomato, ... -
Host plant suitability and efficacy of selected insecticides for control of Tuta absoluta (Lepidoptera : Gelechiidae)
(North-West University (South Africa), 2021)Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is an oligophagous species, native to the neotropics of South America and is one of the most serious pests of tomato globally. Tuta absoluta develops on various cultivated ... -
Integrated management of Plutella xylostella (Lepidoptera: Plutellidae) in vegetable growth tunnels
(North-West University (South Africa), 2019)Plutella xylostella (L.) (Lepidoptera: Plutellidae) is a major pest on all Brassicaceae in South Africa. Insecticide application is the main control strategy worldwide and concerns are raised about the susceptibility of ... -
Toxicity of four insecticides to Spodoptera frugiperda in South Africa
(North-West University (South Africa), 2021)The Fall Armyworm (FAW), Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is described as one of the most important noctuid pests in the Americas. The invasion of the FAW in South Africa during 2017 poses a ...