Browsing Natural and Agricultural Sciences by Subject "Temperature"
Now showing items 1-7 of 7
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Ecotoxicological assessment of aflatoxin in soil under different temperature and moisture conditions utilising earthworms
(North-West University (South Africa), 2022)Aflatoxins are secondary metabolites produced by specific strains of fungi. These natural toxins are mainly found in soil, decaying vegetation, and food storage systems and are particularly abundant during drought stress. ... -
The effect of temperature on the development and reproduction of Busseola fusca (Lepidoptera: Noctuidae)
(North-West University, 2015)Busseola fusca is an indigenous lepidopteran pest species in tropical Africa, attacking several grain crops. Crop loss caused by this pest can be as high as 100% depending on conditions. Despite it being a major pest in ... -
Effects of increased heat and drought stress approximating climate warming on the reproduction, photosynthesis and growth of Proteaceae species in a southern African Mediterranean climate ecosystem
(North-West University (South Africa), Potchefstroom Campus, 2016)In this research project, the effects of warming and drought on three Proteaceae species (Protea repens, Protea laurifolia, Leucadendron laureolum) were investigated through various monitoring and experimental studies on ... -
Effects of Temperature and Moisture on the Ecotoxicity of Metal-Based Fungicides Towards Earthworms
(North-West University (South Africa), 2022)Climate change is a major threat to biotic and abiotic ecosystems worldwide and might potentially affect the mobility and bioavailability of metals in soil. Anthropogenic activities such as mining, agriculture and the use ... -
Efficacy of Bt proteins and the effect of temperature on the development of spiny bollworm in South Africa
(North-West University (South Africa) , Potchefstroom Campus, 2016)Genetically modified cotton expressing Bacillus thuringiensis (Bt) proteins has been cultivated in South Africa since 1998 for control of the bollworm complex. Spiny bollworms, Earias biplaga (Walker) (Lepidoptera: Noctuidae) ... -
A multidisciplinary assessment of the distribution of African horse sickness in Namibia
(North-West University (South Africa), Potchefstroom Campus, 2015)African horse sickness (AHS) is the most lethal infectious, non-contagious, vector-borne disease of equids and accordingly has been declared notifiable by the OIE – World Animal Health Organisation. African horse sickness ... -
Sampling and evaluation of entomopathogenic fungi for control of Bathycoelia distincta (Hemiptera : Pentatomidae) in South Africa
(North-West University (South Africa), 2021)The two-spotted stink bug, Bathycoelia distincta (Distant) (Hemiptera: Pentatomidae), is the most abundant stink bug species in macadamia orchards in South Africa. This pest is associated with serve macadamia nut damage ...