Working Document Series Open Access Drought stress effect on the leaf relative water content and proline content of safflower genotypes Vallantino Emongor · M. Malambane · M. Mosupiemang Drought stress reduces the productivity of many crops especially in arid and semi-arid areas. In such areas the use of tolerant genotypes becomes ideal for increased growth and yield. A greenhouse experiment was conducted to study the effe… RUF-40077 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access The influence of nitrogen and phosphorus fertilisation on seed yield and oil content of safflower in southern Botswana Vallantino Emongor · M.O Kolanyane · T.S. Moroke Safflower (Carthamus tinctorius L.) is a versatile crop used as edible oil, vegetable, livestock feed, biofuels, textile, and medicinal purposes. Soil fertility is one of the factors that limit crop production in Botswana. The objective of… RUF-40063 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Evaluation of oleic acid rich groundnut lines for adaptation and resistance to foliar diseases in Malawi J. Mwololo Groundnut is an important oilseed crop for both food and nutrition security. The development of nutrient dense varieties including oleic acid to meet dietary needs in Africa is important. The study was undertaken to evaluate oleic acid ric… RUF-39941 2019 CC BY 4.0 28 Mar 2023
Working Document Series Open Access Challenges and opportunities faced in Sesame production in Zambezi Valley, Zimbabwe R. Mandumbu · R.F. Mapfeka · G. Nyamadzawo · T. Zengeza The Kaitano area of the Zambezi Valley is one of the few main producers of sesame (Sesamum indicum) in Zimbabwe. The soils are fertile, alluvial in nature, and the temperatures are usually high, making them suitable for sesame production. … RUF-39798 2019 CC BY 4.0 17 Feb 2023
Journal articles Open Access Production and Characterization of Soaps from Croton Megalobotrys and Ricinus Communis seed oils Indigenous to Botswana with High Levels of Antimicrobial and Antioxidant Activity F. Bwaacha · B. Nkoane · O. A. Oyetunji · B. D. Paphane Croton megalabotrys mixed with Ricinnus cummunis and coconut seed oils produced high quality organic soaps with some levels of antioxidant and antimicrobial activities. The pHs of these soaps ranged from 10.01 and 10.30 showing that these … RUF-39768 2022 CC BY 4.0 20 Jan 2023
Working Document Series Open Access Assessment of technical and economic feasibility of a portable aquaponic system P. C. Mnelemba · J. Valeta In Malawi, about 43.6% of total dietary protein consumed is from fish. However, rapid growth in population has led to harvest stagnation from Lake Malawi and other water bodies, leading to a decline in per capita consumption of fish from 1… RUF-39743 2018 CC BY 4.0 16 Jan 2023
Working Document Series Open Access Application of X-ray micro-computed tomography to detect bruise damage of pomegranate (cv. Wonderful) fruit du Plessis Anton · A. Ebrahiema · O.A. Fawole · Z. Hussien +1 more The key to extending the storage life and maintaining the quality of fresh fruit could rely on early detection and separation of fruit with mechanical damage such as bruising. A non-destructive technique was developed to detect bruise dama… RUF-39640 2018 CC BY 4.0 20 Sep 2022
Journal articles Open Access Traditional farmers’ pig trait preferences and awareness levels toward reproductive biotechnology application in Zambia R. Abigaba · E. S. Mwaanga · W. N. M. Mwenya · P. H. Nyanga +1 more Objective: This study assessed traditional farmers’ preferences for indigenous pigs and their awareness levels toward reproductive biotechnology. Materials and Methods: This cross-sectional, descriptive study employed a mixed-methods concu… RUF-39612 2022 CC BY 4.0 13 Aug 2022
Journal articles Open Access Attitudes and preferences of traditional farmers toward reproductive biotechnology application for improved indigenous pig production in Zambia R. Abigaba · E. S. Mwaanga · W. N. M. M. Mwenya · P. H. Nyanga +1 more Background and Aim: Pig production remains crucial to the livelihood of farmers in Zambia. However, low production continues to undermine efforts to reduce animal protein deficit; hence, the need emerges to improve production through biote… RUF-39496 2022 CC BY 4.0 25 Feb 2022
Journal articles Open Access High-density grazing in southern Africa: Inspiration by nature leads to conservation? A.C. Franke · E. Kotzé High-density grazing is a form of rangeland management aiming to strategically mimic the ways grasslands are utilized by grazers in natural situations. It aims to regenerate grasslands by improving soil and vegetation productivity and dive… RUF-39470 2022 CC BY 4.0 3 Feb 2022
Journal articles Open Access Smallholder Farmers’ resource allocation decisions in a Maize-farming system under climate risks in Malawi S. Gbegbelegbe · K. Machila · R. Magreta · J. Mangisoni +1 more Using household data from Lilongwe districts, along with crop phenology, agronomic management and climatic data from Chitedze Research Station, the Target-MOTAD and DSSAT-CSM models examined the resource allocation decisions of smallholder… RUF-39454 2021 CC BY 4.0 20 Dec 2021
Journal articles Open Access Perceived Effects of Climate Change and Extreme Weather Events on Forests and Forest-Based Livelihoods in Malawi F. D. Babalola · P. W. Chirwa · H. L. W. Chisale · S. O. M. Manda The emerging risks and impacts of climate change and extreme weather events on forest ecosystems present significant threats to forest-based livelihoods. Understanding climate change and its consequences on forests and the livelihoods of f… RUF-39442 2021 CC BY 4.0 11 Dec 2021
Working Document Series Open Access Impact of crop management practices and soil type of Hwedza communal area of Mashonaland East Province in Zimbabwe S Mabasa · K. Mukomberanwa · J.T. Rugare The impact of crop management practices and soil type on weeds is only partially understood in Zimbabwe. A weed survey was carried out in Hwedza communal area of Mashonaland East Province in Zimbabwe during the 2014/2015 agricultural seaso… RUF-39353 2018 CC BY 4.0 28 Jul 2021
Journal articles Open Access Effects of common carp (Cyprinus carpio Linnaeus, 1758) and the African catfish (Clarias gariepinus Burchell, 1822) on growth and reproductive performance of native tilapia Oreochromis shiranus (Boulenger, 1896) E.R. Chirwa · W.L. Jere · D. Kassam · A. Mtethiwa A study was conducted to assess the effects of common carp and the African catfish on growth and reproduction of the native tilapia Oreochromis shiranus in Malawi. The study was done from 1 May to 1 October 2018 at the National Aquaculture… RUF-39311 2019 CC BY 4.0 25 Jun 2021
Journal articles Open Access Effects of common carp and African catfish on plankton, periphyton, benthic macroinvertebrates in pond ecosystem E.R. Chirwa · W.L. Jere · D. Kassam · A. Mtethiwa As the common carp Cyprinus carpio and African catfish Clarias gariepinus affect biotic assemblages in aquatic ecosystems through their benthivory, their introduction has been considered an environmental concern. We compare the effects of … RUF-39310 2019 CC BY 4.0 25 Jun 2021
Journal articles Open Access The interactive effect of water temperature and salinity on yolk absorption rate, growth and larval survival of African catfish Clarias gariepinus (Burchell 1822) T. N. Gondwe, · D. Kassam · A.H.N. Mtethiwa · D. Sikawa +1 more The study was undertaken to determine the interactive effect of water temperature and salinity on yolk absorption rate, growth and survival of C. gariepinus larvae. Fertilized eggs, from broodstock reared for commercial seed production wer… RUF-39309 2015 CC BY 4.0 21 Jun 2021
Journal articles Open Access Interactive effect of Water temperature and nitrate fertilizers on growth, survival, and hatching success of eggs, embryos and larvae of African Catfish (Clarias gariepinus, Burchell 1822) W. Kadewa · D. Kassam · R. Ssenfuma · J. Valeta The study assessed the interactive effect of water temperature and nitrate fertilizers on growth, survival, and hatching success of eggs, embryos and larvae of African catfish Clarias gariepinus. 100 fertilized eggs of C. gariepinus were i… RUF-39306 2019 CC BY 4.0 21 Jun 2021
Theses & Dissertations Open Access Interactive effect of Water temperature, nitrate fertilizers and sewage effluent on development, growth and survival of embryos and early life stages of African Catfish Clarias Gariepinus ((BURCHELL 1822) R. Ssenfuma This study assessed the interactive effect of water temperature, nitrate fertilizers, and sewage effluent on development, growth and survival of embryos and early life stages of African catfish Clarias gariepinus. One hundred fertilized eg… RUF-39304 2020 CC BY 4.0 21 Jun 2021
Journal articles Open Access Influence of soil organic carbon, fertiliser management, and weeding regime on weed dynamics and maize productivity on sandy soils in eastern Zimbabwe R. Chikowo · J. Chipomho · S Mabasa · A. B. Mashingaidze +2 more Labour bottlenecks and multiple operations at the start of a cropping season often result in inadequate early weed control and subsequent poor crop performance. Therefore, there is a need to establish management practices that provide the … RUF-39302 2021 CC BY 4.0 21 Jun 2021
Journal articles Open Access Effect of Botanical Extracts on Late Blight (Phytopthora infestans) and Productivity of Tomato (Solanum esculentum) S. Chikuta · T. Choga · V. O. Gwatidzo · Gabriel Karubanga +4 more Late blight is caused by Phytopthora infestans (Mont.) de Bary which establishes quickly in Solanum esculentum L. (tomato); as a result, it makes the pathogen one of the most devastating plant diseases across the world. )e control of late … RUF-39298 2021 CC BY 4.0 15 Jun 2021
Working Document Series Open Access Impact of crop management practices and soil type of Hwedza communal area of Mashonaland East Province in Zimbabwe S Mabasa · K. Mukomberanwa · J.T. Rugare The impact of crop management practices and soil type on weeds is only partially understood in Zimbabwe. A weed survey was carried out in Hwedza communal area of Mashonaland East Province in Zimbabwe during the 2014/2015 agricultural seaso… RUF-39175 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Impact of crop management practices and soil type of Hwedza communal area of Mashonaland East Province in Zimbabwe S Mabasa · K. Mukomberanwa · J.T. Rugare The impact of crop management practices and soil type on weeds is only partially understood in Zimbabwe. A weed survey was carried out in Hwedza communal area of Mashonaland East Province in Zimbabwe during the 2014/2015 agricultural seaso… RUF-39174 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Development and evaluation of cassava-based porridge as a complementary food for infants in Nkhotakota and Nkhata Bay districts of Malawi : A brief review M.W. Kamiyango Adequate nutrition is essential in early childhood for normal growth and a healthy life. However, some developing countries are grappling with high prevalence of child acute malnutrition and micronutrient deficiencies. In Malawi, 37% of ch… RUF-39078 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access GIS mapping of informal fish trade routes used by traders between Malawi and neighbouring countries S. Chimatiro · Z. Dulanya · E. Kaunda · E. Mwathunga +1 more The study focused at mapping of informal fish routes used by fish traders in cross border fish trade between Malawi and neighboring countries. A route labelling method using questionnaire survey and observation as described by Ramming (200… RUF-38927 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access Perception of valuers on adopting automated valuation models: A case of Malawi E. Chimalizeni · D. Namanja Namangale Property valuation involves physical inspection of the properties to assess their values. Despite the process being tedious especially when valuing for rating purposes, it seems Malawian valuation professionals are not ready to adopt the c… RUF-38918 2018 CC BY 4.0 16 Dec 2020
