Browsing by Author "Zekeya, Never"
Now showing items 1-11 of 11
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Analysis of phytochemical composition of Bersama abyssinica by gas chromatography – mass spectrometry
Zekeya, Never; Chacha, Musa; Shahada, Francis; Kidukuli, Abdul (Journal of Pharmacognosy and Phytochemistry, 2014)Bersama abyssinica has been reported to possess a varied range of therapeutical and pharmacological applications due to presence of bioactive compounds. The present study was carried out to determine the phytochemical ... -
Early identification of Tuta absoluta in tomato plants using deep learning
Mkonyi, Lilian; Rubanga, Denis; Richard, Mgaya; Zekeya, Never; Sawahiko, Shimada; Maiseli, Baraka; Machuve, Dina (Elsevier B.V., 2020-11)The agricultural sector is highly challenged by plant pests and diseases. A high–yielding crop, such as tomato with high economic returns, can greatly increase the income of small- holder farmers income when its health is ... -
Effect of Plant Powders on Survival, Oviposition and Progeny Development of Callosobruchus Maculatus for Protection of Leguminous Seeds during Post Harvest
Zekeya, Never; Chacha, Musa; Shahada, Francis (International Journal of Science and Research, 2014-08)Insect infestation on leguminous plants particularly cowpea causes high destruction that lead to nutritional and economic losses. Hence powders from two medicinal plants namely Bersama abyssinica and Aristolochia elegans ... -
Entomopathogenic fungi (Aspergillus oryzae) as biological control agent of cattle ticks in Tanzania
Msangi, Sylvia; Zekeya, Never; Kimaro, Esther; Kusiluka, Lughano; Shirima, Gabriel (Academic Journals, 2022-07-31)Ticks are the most important ectoparasites that are responsible for severe economic losses in livestock industry. The use of chemical acaricides is the most common method used to control ticks in livestock. This study ... -
First record of an entomopathogenic fungus of tomato leafminer, Tuta absoluta (Meyrick) in Tanzania
Zekeya, Never; Mtambo, Madundo; Ramasamy, Srinivasan; Chacha, Musa; Ndakidemi, Patrick; Mbega, Ernest (Biocontrol Science and Technology, 2019-02-01)Tuta absoluta (Meyrick) is a destructive pest causing adverse environmental and economic effects globally. Management of T. absoluta by synthetic chemicals is of diminutive achievement due to resistance trick of the pest. ... -
Occurrence, seasonal variation and management of Tomato leafminer (Tuta Absoluta Meyrick.) in Tanzania
Zekeya, Never (NM-AIST, 2019-03)Tomato leafminer [Tuta absoluta, Meyrick. (Lepidoptera: Gelechiidae)] is a notorious pest that causes massive losses in Solanaceae’s crops including tomato (Solanum lycopersicum L.). This study was conducted to evaluate ... -
Occurrence, seasonal variation and management of tomato leafminer (tuta absoluta meyrick.) in Tanzania
Zekeya, Never (NM-AIST, 2019-03)Tomato leafminer [Tuta absoluta, Meyrick. (Lepidoptera: Gelechiidae)] is a notorious pest that causes massive losses in Solanaceae’s crops including tomato (Solanum lycopersicum L.). This study was conducted to evaluate ... -
Susceptibility of different species of ticks (Acari: Ixodidae) to an entomopathogenic fungus in Tanzania
Zekeya, Never; Mbega, Ernest; Ndossi, Humphrey (Sci Forschen, 2020-06-06)Ticks and tick-borne disease cause severe skin damage on livestock as well as wildlife mortifying animal health and byproduct for processing and tourism industries. Management of ticks by conventional acaricidal is ... -
Tomato Leafminer (Tuta absoluta Meyrick 1917): A Threat to Tomato Production in Africa
Zekeya, Never; Chacha, Musa; Ndakidemi, Patrick A.; Materu, Chris; Chidege, Maneno; Mbega, Ernest (Journal of Agriculture and Ecology Research International, 2016-11-28)Tomato (Solanum lycopersicum L.) is an important vegetable crop for income, food and nutrition in Africa. Production of the crop is currently threatened by leaf miner [Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)]. ... -
Tomato Leafminer, Tuta absoluta (Meyrick 1917), an emerging agricultural pest in Sub-Saharan Africa: Current and prospective management strategies
Zekeya, Never; Ndakidemi, Patrick A.; Chacha, Musa; Mbega, Ernest (Academic Journal, 2017-02-17)Tomato (Solanum lycopersicum L.) is an important vegetable crop for income and nutrition of smallholder farmers in sub-Saharan Africa. However, it is attacked by many insect pests that cause high economic losses. This ... -
Understanding factors influencing distribution and density of a micro-Lepidoptera moth, Tuta absoluta (Gelechiidae) and its impact in tomato agroecological zones of Tanzania
Zekeya, Never; Ouma, Johnson; Chacha, Musa; Ndossi, Humphrey; Mbega, Ernest (Bioscience Research, 2020-06-07)Field survey was conducted from August to November 2016 and repeated from January to April 2017 to study population, distribution and damage by tomato leaf miner (TLM) (Tuta absoluta Meyrick 1977) in 156 farms in ...