Working Document Series Open Access Attitude and experience of smallholder farmers towards potato crop intensification in southwestern Uganda J.G. Agea · R.R. Ainebyona · Gabriel Karubanga · J. Mugisha +1 more In Uganda, potato (Solanum tuberosum L) is a growing lucrative crop particularly in the densely populated rural areas of the country, whose production considerably limited the supply to markets owing to conservative production methods. The… RUF-40034 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Production and adoption of clean seed potato (Solanum tuberosum) by small scale farmers in Njoro Sub-county, Kenya L. Amwine · M. W. Mulu-Mutuku · A. O. Nkurumwa Potato (Solanum tuberosum) is the world’s most important root and tuber crop. It is a staple food crop for many families in East Africa, both in rural and urban. This is partly due to its competitive advantage over other food crops. For ex… RUF-39898 CC BY 4.0 22 Mar 2023
Working Document Series Open Access Enhancing productivity and incomes of the potato value chain in Uganda A. Atukwase · R. Kanzikwera · J. Karungi · C. Kwesiga +3 more This paper provides highlights of an on-going community/farmer participartory approach to strengthen potato productivity and value chain in south western Uganda. The approach intergrates graduate students, research and TVET students. Work … RUF-39815 2019 CC BY 4.0 21 Feb 2023
Working Document Series Open Access Why do smallholder farmers fail to use certified seed potato? The case of Nakuru county, Kenya A. M. Kibe · M. M. Mutuku · M. Mwangi · A. O. Nkurumwa Potato (Solanum tuberosum L.) is the second most important staple food crop in Kenya, coming second to maize. It has the potential to contribute greatly to national food and nutrition security, yet the country still suffers from food insec… RUF-39759 2018 CC BY 4.0 17 Jan 2023
Working Document Series Open Access Indigenous fungi with antagonistic potential against potato cyst nematodes in Kenya R. Kahuthia-Gathu · J.K. Musango · J.W. Waceke Potato (Solanum tuberosum), which is the second most important food crop in Kenya, has various production constraints including potato cyst nematodes (PCN). This nematode which was first reported in 2014 is now ranked highest. The main opt… RUF-39351 2018 CC BY 4.0 28 Jul 2021
Journal articles Open Access Role of networking capability, socio-economic and institutional characteristics on adoption tendencies of clean seed potato agri-enterprises in Central Rift Valley, Kenya O.I. Ayuya · E. O. Gido · A. M. Kibe · M. Mwangi +1 more Even though quality of seed is a major yield determinant in potato (Solanum tuberosum L.) production and global food security, inadequate availability of and access to high quality (certified) seed is a major challenge to potato producers … RUF-39213 2020 CC BY 4.0 26 Mar 2021
Working Document Series Open Access Analysis of potato yield gap using aquacrop simulation Model E.C. Kipkorir · S. Kiptoo · C.K. Kiptum Water scarcity and food shortage worldwide is a major concern globally. In crop production, water stress affects yield if not managed properly. Solanum potato is the second most important food crop in Kenya after maize and is sensitive to … RUF-39086 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Evaluation of suppressive potential of selected plant species against Phytophthora infestans in vitro S.O. Agong · R. Kahuthia-Gathu · M. Mwangi · J.W. Waceke Globally, Phytophthora infestans causes annual potato losses estimated at over $6 billion with fungicides alone accounting for over $1 billion. In Kenya, potato yield loss estimates reach 119,500 tons annually. Several fungicides recommend… RUF-39013 2018 CC BY 4.0 25 Feb 2021
Working Document Series Open Access Intercropping potato with grain legumes for enhanced productivity and climate change adaptation in smallholder farms, Kenya C.K.K. Gachene · E. Geldermann · H.I Gitari · N.N. Karanja +2 more This study evaluated the effect of potato-grain legume intercropping systems on best land equivalent yield ratios, crop water productivity and net profits in field trials conducted in three agro-ecologies of Kenya: upper highland with seas… RUF-38517 2018 CC BY 4.0 13 Aug 2020
Working Document Series Open Access Levels of glycoalkaloids in potato crisps and French fries sold in Nairobi, Kenya G. O. Abong · T. Muzhingi · M. W. Okoth · D. G. Omayio Glycoalkaloids are natural secondary metabolites occurring in potatoes (Solanum tuberosum L.) and are stable, remaining unaffected during processing ending up in the final products. Despite the increasing consumption of potato and potato p… RUF-38469 2018 CC BY 4.0 10 Aug 2020
Working Document Series Open Access Farmer preference for improved seed potato varieties in Malawi: Case study of Ntcheu and Dedza districts G. Tione Potato (Solanum tuberosum) is the main root and tuber crop produced for both food and cash. Potatoes are the world’s number one non-grain food commodity. It provides fast cash because it is a short duration (3-4 months) crop. Malawi is ran… RUF-37499 2016 CC BY 4.0 10 Apr 2018
Working Document Series Open Access Productivity of Solanum potato varieties and their yield responses to nitrogen fertilizer application rates in Eastern Rwanda C. Karemangingo Potatoes (Solanum tuberosum L.) is an important crop widely grown in cool and high moist conditions of Rwanda. This study explored the productivity of different potatoes varieties under increasing nitrogen fertilizer application rates in d… RUF-37017 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Socio-economic factors affecting technical efficiency of potato production in Kenya Ezekiel Chepkwony · M. Kipsat · M. Korir Potato, Solanum tuberosum L., is one of the most important staple crops in Kenya. It has high potential for production. However, production does not meet the growing demand. There is need to analyze socio-economic factors affecting the tec… RUF-36969 2016 CC BY 4.0 15 Sep 2017
Theses & Dissertations Open Access Agronomic performance and genotype x environment interaction analysis of 12 elite potato genotypes in Uganda Grace. Abalo High yielding potato (Solanum tuberosum) genotypes with good levels of resistance to late blight were identified at Kalengyere Research Station in southwestern Uganda. The yield stability of these genotypes, however, remains uncertain. F… RUF-35391 2001 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Evaluation for selected elite potato genotypes in eastern Uganda George Kimoone Potato (Solanum tuberosum) yield in Uganda averages 7 t ha-!, which compares poorly with the on-station production (>25 t ha-!) This study evaluated the performance of eight elite and two local potato genotypes under farmer conditions i… RUF-35388 2003 CC BY 4.0 22 Sep 2015
Working Document Series Open Access The effect of super phosphate and planting density on mini-tuber production from true potato seed T. A. Mtaita · M. Mutetwa · M. D. Shoko Improving tuber seed quality and availability is institutionally complex in the tropics and sub-tropics. The main objective of this work was to evaluate the effect of superphosphate and plant density on mini-tuber production from true pota… RUF-34649 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Agronomic performance of potato population B3C2 genotypes in southwestern Uganda P. Gibson · R. Kakuhenzire · T. Ndacyayisenga · G. Tusiime Thirteen potato genotypes known as population B3C2 were evaluated for yield and resistance to late blight. Assessment of late blight severity started at the onset of the disease symptoms; disease severity rating was based on visual symptom… RUF-34431 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Mutation breeding in irish potatoes M. Kinyua · O. Kiplagat · F. K. Kiunga The cultivated potato (Solanum tuberosum L.) originated from the Andean region of South America. Kenyan farmers started potato cultivation in 1920 and entered the export market in 1923. However, while average potato yields in North America… RUF-33950 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Economic Evaluation of the Potato Market Chain in Uganda A. Kasharu · E. Katungi · H. Kyomugisha · J. Mugisha A survey involving 180 farmers, 60 traders and processors was conducted in Kabale, Mbale and Kampala districts in Uganda for two consecutive potato growing seasons (20011/2012). The Study sought to: 1) to characterise and describe the vari… RUF-32315 2012 CC BY 4.0 16 May 2014