Environmental & Physical Sciences

2201 works in Environmental & Physical Sciences

Waste valorisation opportunities for bush encroacher biomass in savannah ecosystems: a comparative case analysis of Botswana and Namibia

Abstract: Bush encroachment of savannah ecosystems in countries like Botswana and

An overview of plastic waste generation and management in food packaging industries

Abstract: Over the years, the world was not paying strict attention to the impact

Hydroclimate changes in eastern Africa over the past 200,000 years may have influenced early human dispersal

Abstract: Reconstructions of climatic and environmental conditions can contribute

Production of activated carbon from poultry feathers for waste water treatment

Abstract: Contamination of water bodies by heavy metal ions is a challenge many d

Household solid waste generation and composition: a case study in Palapye, Botswana

Abstract: The purpose of this case study was to conduct a case study in the gener

Spatial distribution of Diamondback moth, Plutella xylostella L. (Lepidoptera: Plutellidae), at the field and the regional level in Ethiopia

Abstract: Pheromone trap catches were used to study the spatial distribution of D

Cross Mating Studies among Five Fruit Fly Parasitoid Populations: Potential Biological Control Implications for Tephritid Pests

Abstract: The reproductive compatibility between four different species/populatio

Importance of Plant Physical Cues in Host Acceptance for Oviposition by Busseola Fusca

Abstract: Plant and surrogate stems exhibiting specific combinations of physical

Comparison of five Allopatric Fruit Fly Parasitoid Populations (Psyttalia species) (Hymenoptera: Braconidae) from Coffee Fields using Morphometric and Molecular Methods

Abstract: Morphometric studies of five allopatric parasitoid populations (genus P

Is quality more important than quantity? Insect behavioural responses to changes in a volatile blend after Stemborer Oviposition on an African grass

Abstract: Plants subjected to insect attack usually increase volatile emission wh

Flight and Oviposition Behaviour of the African Stem borer, Busseola Fusca , on Various Host Plant Species

Abstract: The African stem borer, Busseola fusca (Fuller) (Lepidoptera: Noctuidae

Effects of Nitrogen and Potassium Combinations on Yields and Infestations of Maize by Busseola fusca (Lepidoptera: Noctuidae) in the Humid Forest of Cameroon

Abstract: Field trials were set up in the humid forest zone of Cameroon to invest

Desmodium Species and Associated Biochemical Traits for Controlling Striga species: Present and Future Prospects

Abstract: We discovered serendipitously a new and highly effective intervention a

Resource allocation and bionomics of indigenous and exotic Cotesia (Hymenoptera: Braconidae) species reared on Sesamia calamistis

Abstract: The braconid larval parasitoids Cotesia chilonis (Matsumura), C. flavip

Effects of Bio-pesticides on Eretmocerus warrae (Hym., Aphelinidae), a Parasitoid of Bemisia Tabaci (Hom., Aleyrodidae)

Abstract: The sweet potato whitefly Bemisia tabaci (WF) can be controlled by two

Role of Entomopathogenic Fungi in the Control of Tetranychus Evansi and Tetranychus Urticae (Acari: Tetranychidae), Pests of Horticultural Crops

Abstract: The spider mites Tetranychus urticae Koch and Tetranychus evansi Baker

Host–parasitoid community model and its potential application in biological control of cereal stemborers in Kenya

Abstract: A two-host–two-parasitoid model was constructed to assess the effects o

Distribution of chemo- and mechanoreceptors on the antennae and maxillae of Busseola fusca larvae

Abstract: The stem borer Busseola fusca (Fuller) (Lepidoptera: Noctuidae) is a ma

Laboratory Investigations on the Potential of Entomopathogenic Fungi for Biocontrol of Helicoverpa armigera (Lepidoptera: Noctuidae) Larvae and Pupae

Abstract: The susceptibility of third instar Helicoverpa armigera to seven strain

Evaluation of the Impact of Diachasmimorpha longicaudata on Bactrocera Invadens and Five African Fruit Fly Species

Abstract: Diachasmimorpha longicaudata (Ashmead), a solitary koinobiont larval– p

Diversity and Abundance of Wild host Plants of Lepidopteran Stem borers in two Agro-ecological zones of Kenya

Abstract: A survey was carried out between 2005 and 2006 in two ecologically diff

Scope for Genetic Enhancement of the Parasitisation Potential of Four Native Strains of Trichogrammatoidea sp. nr. lutea Girault (Hymenoptera: Trichogrammatidae) in Kenya

Abstract: In response to emerging interest in commercial mass production of Trich

Life History Parameters of Ceratitis capitata (Diptera: Tephritidae) Reared on Liquid Diets

Abstract: A liquid diet for rearing Ceratitis capitata (Wiedemann) (Diptera: Teph

Inheritance of ‘Domestication’ Traits in Bambara Groundnut (Vigna subterranea (L.) Verdc.)

Abstract: Controlled crosses in bambara groundnut were attempted between a range

Host Plants and Host Plant Preference Studies for Bactrocera invadens (Diptera: Tephritidae) in Kenya, a New Invasive Fruit Fly Species in Africa

Abstract: Bactrocera invadens Drew, Tsuruta & White (Diptera: Tephritidae), a

Development and reproductive potential of diamondback moth Plutella xylostella (Lepidoptera: Plutellidae) on cultivated and wild crucifer species in Kenya

Abstract: The development, survival and reproductive potential of diamondback mot

Life History of the Predatory Mite Phytoseiulus fragariae on Tetranychus evansi and Tetranychus urticae (Acari: Phytoseiidae, Tetranychidae) at Five Temperatures

Abstract: Tetranychus evansi Baker and Pritchard and Tetranychus urticae Koch (Ac

Ecological niche and potential geographic distribution of the invasive fruit fly Bactrocera invadens (Diptera, Tephritidae)

Abstract: Two correlative approaches to the challenge of ecological niche modelin

Side-effects of Pesticides on the Life Cycle of the Mite Pathogenic Fungus Neozygites Xoridana

Abstract: The tomato red spider mite, Tetranychus evansi Baker and Pritchard, is

Interspecific Competition Between Diadegma Semiclausum Hellen and Diadegma mollipla (Holmgren), Parasitoids of the Diamondback Moth, Plutella Xylostella (L), Feeding on a New Host Plant

Abstract: Interspecific competition between an introduced parasitoid species aime