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Comparative diversity of arthropods on conventional and genetically modified Bt soybean plants in field trials in South Africa
(North-West University (South Africa), 2020)
Genetically modified soybean expressing Cry1Ac toxins derived from the soil bacterium Bacillus thuringiensis (Bt), have been approved for experimental cultivation in South Africa. Helicoverpa armigera is the target species ...
Assessment of the diversity and roles of bacterial symbionts in fruit fly development and response to biological control
(North-West University (South Africa), 2019)
Tephritid fruit flies are among the most destructive pest species of fruits and vegetables in many regions of the world. Apart from high losses in yield, tephritid fruit fly pests pose great socioeconomic and ecological ...
Pheromone and population genetics analyses of Clavigralla species in Africa
(North-West University (South Africa), 2019)
Cowpea (Vigna unguiculata (L.) Walp) and common bean (Phaseolus vulgaris (L.)) are major sources of protein for human and animal consumption. Production of these crops is hampered by insect pests, especially the complex ...
Host suitability of poaceous and broad leaf plants for Fall armyworm (Spodoptera frugiperda) (Lepidoptera: Noctuidae)
(North-West University (South Africa), 2020)
Spodoptera frugiperda is native to the Americas but invaded the African continent in 2016, causing damage to maize and sorghum. Reports from literature indicate that larvae of S. frugiperda can feed on 353 different host ...
Spatial assessment of Saccharum species hybrids and wild relatives in eastern South Africa
(North-West University (South Africa), 2019)
Sugarcane (Saccharum hybrids) belongs to the Andropogoneae in the Poaceae. The grass family is known to have provided the world’s most economically important crops. In assessing the risk of cultivating genetically modified ...
The indirect effect of Bt maize (Cry1Ab) on Cotesia sesamiae (Hymenoptera : Braconidae)
(North-West University (South Africa), 2019)
Busseola fusca (Fuller) (Lepidoptera: Noctuidae), Chilo partellus (Swinhoe) (Lepidoptera: Crambidae) and Sesamia calamistis Hampson (Lepidoptera: Noctuidae) are major pests of maize and sorghum in sub-Saharan Africa. The ...
Feeding and oviposition preference of Spodoptera frugiperda (Lepidoptera: Noctuidae) for selected poaceous plant species
(North-West University (South Africa), 2019)
The Fall armyworm (FAW), Spodoptera frugiperda Smith (Lepidoptera: Noctuidae), is an agricultural pest native to the Americas. FAW is polyphagous with 274 larval host plant species being reported. Crop losses are caused ...
The effect of Ricinus communis on larval behaviour and midgut microbe communities of Spodoptera frugiperda (Lepidoptera : Noctuidae)
(North-West University (South Africa), 2019)
The Fall Armyworm (FAW), Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) is an invasive pest species that spread throughout sub-Sahara Africa after its introduction into west Africa during 2016. It is a destructive ...
Toxicity bioassays with insecticide formulations used for control of Spodoptera frugiperda (Lepidoptera : Noctuidae)
(North-West University (South Africa), 2019)
The fall armyworm, Spodoptera frugiperda, is an exotic pest of maize in Africa. It is polyphagous and has the ability to develop on a wide range of host plants with different nutritional indices. Rearing of insects is ...
Biology and ecology of Ceratitis rosa and Ceratitis quilicii (Diptera: Tephritidae) in citrus
(North-West University (South Africa), 2020)
Ceratitis rosa Karsch s. l. (Diptera: Tephritidae), an indigenous pest of commercial fruit including citrus in South Africa, belongs to a complex of cryptic species (Ceratitis FAR). Ceratitis rosa s.l. was recently split ...