Browsing PhD Theses and Dissertations [LiSBE] by Issue Date
Now showing items 21-40 of 55
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Assessing the potentials of agricultural ecosystem pollination services to improve bean yield in smallholder farming systems
(2020-04)Pollination services by insects contribute to production in 75% of food crop species. When promoted through agro-ecological intensification (AEI), pollination can narrow yield gaps in smallholder farming systems. The ... -
Enhancing on-farm fodder availability and utilization for sustainable dairy production in the smallholder farming systems of western usambara highlands, Tanzania
(NM-AIST, 2020-04)Dairy cattle farmers in Tanzania experience a huge decline in milk production due to insufficient feed supply to their animals particularly during the dry seasons. This poses a great challenge to sustainability of ... -
Potential predators and parasitoids for conservation biological control in smallholder bean farming tropical ecosystem
(2020-04)Conservation biological control (CBC) is an attempt to protect the already existing natural enemies (predators, parasitoids or pathogens) of insect pests within the agricultural systems by manipulating the environment ... -
Molecular basis of susceptibility to Newcastle disease virus challenge in exotic and local Tanzanian chicken
(NM-AIST, 2020-04)This research aimed to investigate genetic mechanisms of susceptibility to Newcastle disease virus (NDV) in exotic and local Tanzanian chicken. In the first experiment kuroiler, broiler and local Tanzanian chickens were ... -
Cyanotoxins occurrence in drinking waters and risk of exposure to human in Ukerewe district Mwanza, Tanzania
(2020-04)There is global concern regarding the increase of cyanobacteria and cyanotoxins in freshwater and their potential effects on human health. This study was conducted to determine the occurrence of cyanotoxins and assessed ... -
A computational study on the role of solvents and conformational fluctuation of macromolecules towards drug design
(NM-AIST, 2020-04)Heat shock protein 90 (Hsp90) represents an important chemotherapeutic target in the treatment of various ailments including cancer and neurodegenerative diseases. The protein is responsible for controlling and regulating ... -
Characterization and management of bacterial wiltcausing pathogen(s) of tomato in Tanzania
(NM-AIST, 2020-04)Bacterial wilt disease (BWD), caused by Ralstonia solanacearum (Smith) is one of the most destructive tomato diseases globally. A research was carried out from 2017 to 2019 to assess the incidence and severity of tomato ... -
Effects of tobacco nicotine on maize yield and soil bacteria in Tabora western Tanzania
(NM-AIST, 2020-05)Tobacco (Nicotiana tabacum L.) is globally known to be a primary source of nicotine worldwide. This study was conducted to determine the effects of nicotine on the rhizosphere and subsequent maize crop yield. Pot experiments ... -
Enhancement of plant extracts use for pest control and growth promotion of common bean (Phaseolus vulgaris)
(NM-AIST, 2020-05)For smallholder farmers, suitable plants for pest management and as foliar feed are obtained with ease, and when successfully exploited, could contribute to local income generation through commercialization. However, ... -
Biochemical and agro-morphological characterization of wild, under-exploited vigna species and their utilization
(NM-AIST, 2020-05)According to the Food and Agriculture Organization (FAO) of the United Nations recent report, the immense challenge of achieving the Zero Hunger target by 2030 is still persistent. Therefore, the search for alternative ... -
Biology, predatory activity and peoples’perceptions towards apefly (spalgis spp.) in Tanzania
(2020-05)In June 2017, farmers in central and northern Tanzania reported the occurrence of what they called an unusual insect with a human-like facial appearance that they referred to as “Kidudu-mtu.” The reports prompted the ... -
Potential of Tanzanian local clay and ash based materials for binding aflatoxins in animal feeds
(NM-AIST, 2020-06)Potential of Tanzanian local materials was explored for alleviating aflatoxin-contamination of feeds. Preliminarily, farmers’ awareness of aflatoxins was assessed using data collected from a random sample of 258 households ... -
Oxidative stree management is essential for anopheles mosquito survival post plasmodium infected blood meal ingestion
(NM-AIST, 2020-06)Anopheles mosquitoes like other dipterans lack the flavoenzyme glutathione reductase (GR) of the GSH pathway and instead utilize the Thioredoxin (Trx) system for management of oxidative stress. Anopheles gambiae (An. ... -
Nutrient hotspots for wild grazing ungulates in a miombo ecosystem, western Tanzania
(NM-AIST, 2020-06)While the movement pattern of grazing ungulates is strongly dependent on forage quality whose use of nutrient hotspots has rarely been quantified, especially in miombo ecosystems where soil-nutrient quality is low. Few ... -
Characterization of aeromonads and development of vaccine candidate from aeromonas hydrophila isolated from tilapia fish farms in Tanzania
(NM-AIST, 2020-06)Tanzania produces less than half of the country annual demand in fish. Therefore, there is an urgent need to produce more fish, particularly through fish farming. However, aeromonads infections cause major lose in ... -
The distribution, control techniques and impact of Parthenium hysterophorus on flower visitors and soil chemical properties in Meru district, Tanzania
(2020-08)In Tanzania, the invasive plant Parthenium hysterophorus threatens natural and semi–natural environments. Little is known about how this species affects plant–pollinator interactions and soil–chemical properties. Roadside ... -
Prevalence of hyperglycemia in pregnancy, risk factors and simplified method for identification of pregnant women at risk in Arusha, Tanzania
(NM-AIST, 2020-08)Hyperglycemia in pregnancy is increasing in Tanzania; however, timely diagnosis is limited. This study therefore, aimed to establish the prevalence of hyperglycemia in pregnancy, risk factors and develop a simple method ... -
Biomonitoring of pesticides exposure and the fate of pesticides use among smallholder vegetable producers in Tanzania
(NM-AIST, 2020-08)This study assessed drivers of increased and changing patterns of pesticide use, levels of Acetylcholinesterase (AChE) inhibition, associated health effects and co-exposure risks of pesticide residues and bacterial ... -
Invasion status and potential management options for the invasive tree species maesopsis eminii in amani nature forest reserve, Tanzania
(NM-AIST, 2021-03)Invasion of Maesopsis eminii in Amani Nature Forest Reserve was considered an ecological disaster in the 1980s. After more than 50 years have elapsed since its introduction, there is little information available on its ... -
Molecular detection and genetic characterization of coxiella burnetii and bartonella spp infections in small mammals from Moshi, Northern Tanzania
(NM-AIST, 2021-06)Zoonotic pathogens, including Coxiella burnetii and Bartonella species, are known causes of febrile illness globally; however, knowledge on their animal hosts is still limited in many countries including Tanzania. This ...
