The Sweetpotato Digital Catalogue (Fig. 1) presents a collection of the best performing sweetpotato varieties or “best bets” in Africa. Standardized information of 80 varieties in use in15 Sub-Saharan Africa (SSA) countries can be found at www.sweetpotatoknowledge.org on the web Information on a particular variety can be downloaded for printing, …Read More »
2019 SASHA Brief 06. Breeding for continuous storage root formation and bulking in sweetpotato.
Research conducted on diverse sweetpotato germplasm showed that some genotypes form their roots at the same time, that are of the same maturity (discontinuous storage root formation and bulking) and other continue to form roots over time (continuous root forming), which aligns with the traditional practice of piecemeal harvesting. The …Read More »
2019 SASHA Brief 05. Breeding and prospects for low sweet sweetpotato in West Africa.
A trained sensory panel was developed to assist with breeding for sweetpotato quality preferences of consumers in West Africa. Lexicons of terms to precisely describe boiled and fried sweetpotato sensory quality have been developed using trained sensory panel. Trained panel results showed that there is no direct relationship between sugar …Read More »
2019 SASHA Brief 04. Major achievements in breeding for drought tolerance and high iron orange-fleshed sweetpotato in Mozambique: Lessons learned and achievements in phase 2 (2014-2019)
Successful second round of accelerated breeding completed, with the release of 4 orange-fleshed (OFSP) and 3 purple-fleshed (PFSP) drought tolerant sweetpotato varieties in 2016. Third round will be completed in 2019. Early season and terminal drought have negative effects on storage root yield (Fig. 1). Thick vines offer a morphological …Read More »
2019 SASHA Brief 02. A breakthrough: Hybrid population breeding validated in Peru, Uganda, and Mozambique
Determine the response to selection for yield and quality in three applied breeding populations for a complete reciprocal recurrent selection cycle for (i) OFSP wide adaptation and earliness, (ii) OFSP for high iron, and (iii) OFSP for low sweetness after cooking. Apply the concept of elite crossings in sweetpotato for …Read More »
2019 SASHA Brief 03. Tackling virus resistance in hot spots.
Discriminated between resistant and tolerant cultivars in response to Sweet potato feathery mottle virus (SPFMV) and Sweetpotato chlorotic stunt virus (SPCSV). Dual infection by SPCSV and SPFMV cause sweetpotato virus disease (SPVD), that can cause devastating losses. • Identified SPVD field resistant clones to be used as parents to breed …Read More »
SASHA Brief 01. The sweetpotato breeding community of practice: Breeding in Africa for Africa (2009-2019).
• A vibrant community of practice consisting of sweetpotato breeders from 16 African countries has been strengthened during the past 10 years, adopting modern breeding methods and releasing user-preferred varieties having an impact on health and wealth. • Since 2009, sweetpotato breeders in 16 countries have released 143 varieties, with …Read More »
SPHI Brief 45: Root and Tuber Crops for Agricultural Transformation in Malawi (RTC-Action Malawi)
In 2018, with technical backstopping from International Potato Center (CIP), three new OFSP varieties were released in Malawi. These varieties are suitable for different agro-ecological zones of Malawi including drought prone areas. They are suitable for household utilization for food and nutrition security. Further, the varieties have been tested and …Read More »
SPHI Brief 44: Ghana's KNUST: Creating an Entrepreneurial Hub for Young Africans
As part of contribution to reposition sweetpotato in Ghana’s food economy for health and wealth creation, KNUST in collaboration with its partners, encouraged more students to partake in the 3rd Edition of the Sweetpotato Training of Trainers (ToT) Course dubbed “Everything you need to know about sweetpotato”. At the end …Read More »