Background This study explored students’ perceptions of COVID-19 risks and preventive measures and assessed the impacts of the national lockdown on students in Uganda. Methods A web-based survey was conducted to explore students’ perceived risks of COVID-19 and preventive measures; sources of COVID-19 information and impacts of the lockdown. Both undergraduate and post-graduate students (n = 398) participated in the study. Data were analysed using IBM-SPSS-26. Results Students acknowledged COVID-19 as a health risk, and their preventive behaviours were influenced by age, gender, marital status and living situation. Most students followed face mask guidelines but did not comply with lockdown restrictions. Social distancing was not always possible due to overcrowding. Students’ main sources of COVID-19 information were local media (e.g., TV, radio) and social media. Most students (especially females) were unable to access online learning platforms due to poor internet connectivity, high costs and no access to computers. Meanwhile, a majority of those who studied online did not enjoy the experience. Students experienced depression, frustration, stress and anxiety during the lockdown; became less physically active and spent most of their time on social media, sleeping, eating or watching movies. Some students indulged in smoking, drinking alcohol, taking drugs and gambling for their first time, while others did them more often than before. Conclusion The increase in sedentary activity, poor mental health and substance use over the lockdown period puts students at risk of health complications and poses a potential threat to the healthcare system. These risks may also negatively impact their future learning and academic potential. Further research is needed to understand the transitional experiences of students between physical and virtual learning, and how they can be supported. There is also a need to ascertain the feasibility of guidelines such as social distancing in developing countries, to increase compliance.

Groundnuts (Arachis hypogaea L.) are the second most important legume crops after beans, an important source of protein (23 to 25%), fats/oils (40 to 52%) and carbohydrates (10 to 20 %) and widely grown and consumed in Uganda including the Lake Albert Crescent Zone (LACZ). Due to susceptibility of local varieties to groundnut rosette, National Agricultural Research Organisation (NARO) through the National Semi Arid Resources Research Institute (NaSARRI) developed and released the serenut varieties. Adaptive trials were therefore established in the LACZ, to select the most location specific adapted varieties for promotion in this ecologically diverse zone. Four serenut varieties namely serenut 5, 8, 10 and 14 and a locally grown variety (Red beauty) were planted on three farmers' fields in each of the three sub-ecological areas. Data were collected on total pod dry weight (yield), number of pods and on 100 seed weight. In this study, we show that overall yields of serenut 5, serenut 14, serenut 8 and serenut 10 were highly significantly (P < 0.001) different for all traits measured across the subecological areas. Best yields were recorded from the humid tropical rain forest sub-ecological area where 1900 kg/ha were obtained for serenut 14, 2366 kg/ha for serenut 10, 1763 kg/ha for serenut 8 and 1795 kg/ha for serenut 5. The yields obtained from these varieties were generally worst in the semi-arid sub-ecological area. These serenut varieties are generally adapted to wider environmental conditions although their performance per se was found to be generally inconsistent. This study has also found that among all the varieties tested, Serenut 5 was the best adapted across all the sub-ecologies. Overall, we therefore recommend farmers in this ecologically diverse zone to grow these groundnut varieties with improved growing practices such as timely planting, timely weeding, earthing up and pest and disease management in order to obtain consistent high yields.

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A participatory rural appraisal was conducted in selected groundnut growing areas of Uganda to determine how smallholder farmers perceive and cope with drought, identify farmers’ constraints, and study the production systems, and varietal preferences in groundnut production. Majority of farmers surveyed, agreed that drought is a major production constraint. The local drought perceptions were described by farmers (55.7%) as warm/hot windy conditions in eastern (55.7%), while in the northern region, little rainfall (82.5%) and hot sunny weather in the mid-western region (48.3%). The majority of farmers surveyed, 81.7%, 77.6%, and 86.6% from eastern, northern and mid-western region, respectively, indicated that the major impact of drought was low yields. However, most of farmers especially from northern and mid-western grow landraces and use early planting to cope with drought. Therefore, knowledge of farmers’ perceptions on drought and coping strategies provides an entry point for improving farmers’ preferred varieties for drought tolerance.