Browsing by Subject "Degree-days"
Now showing items 1-6 of 6
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Effect of temperature on development and reproduction of Spodoptera frugiperda (Lepidoptera: Noctuidae)
(North-West University, 2018)Spodoptera frugiperda (Lepidoptera: Noctuidae) is a polyphagous pest with a preference for crops which belong to the Poaceae family. Spodoptera frugiperda is native to the tropical and sub-tropical regions of South America ... -
The effect of temperature on Nysius natalensis Evans (Hemiptera: Orsillidae) development and survival
(Entomological Society of Southern Africa, 2011)The false chinch bug, Nysius natalensis Evans (Hemiptera: Orsillidae), is a pest of sunflower, Helianthus annuus L. (Asteraceae), in South Africa. Pest outbreaks usually occur in localized areas towards the end of the ... -
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 ... -
The effect of temperature on the development and reproduction of Busseola fusca (Lepidoptera: Noctuidae)
(Cambridge Univ Press, 2017)The effect of temperature on the reproduction and development of Busseola fusca was studied under laboratory conditions. Single male–female pairs were confined to oviposition chambers kept at 15, 20, 26 and 30 ± 1°C and a ... -
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) ... -
Evaluating sex pheromone monitoring as a tool in the integrated management of vine mealybug, Planococcus ficus (signoret) (Homoptera: Pseudococcidae)
(North-West University, 2006)The vine mealybug, Planococcus ficus (Signoret) (Homoptera: Pseudococcidae) is a pest with significant economic impact on the grape growing industry in South Africa and other parts of the world. With the isolation and ...
