Global Food Security, Contributions from Sustainable Potato Agri-Food Systems

Devaux, A.; Goffart, Jean‐Pierre; Petsakos, Athanasios; Kromann, Peter; Gatto, Marcel; Okello, Julius Juma; Suárez, Víctor Humberto; Hareau, Guy

doi:10.1007/978-3-030-28683-5_1

Cited by 124 publications

(106 citation statements)

References 45 publications

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“…Mabhaudhi et al (2019) [6] and Ateba et al (2012) [12], for instance, indicated that the displacement of indigenous plants by a few major 'exotic' crops has inevitably contributed, in part, to the limited successes of the global food systems, especially in under-developed regions. Thus, promoting the consumption of the indigenous and naturalized grains, legumes, and other local staple foods is becoming a top priority among policy-makers as a means of alleviating food insecurity and poverty in developing countries [13,14].…”

Section: Introductionmentioning

confidence: 99%

Utilization Pattern of Indigenous and Naturalized Plants among Some Selected Rural Households of North West Province, South Africa

Omotayo

Ndhlovu

Tshwene

et al. 2020

Plants

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Globally, a substantial proportion of existing indigenous and naturalized foods are often neglected thereby narrowing the food-base available to humans. The current study explored the use and contribution of indigenous and naturalized plants to the households’ food-pool among 12 communities in the North West Province of South Africa. An ethnobotanical survey was conducted among 133 rural households across the 12 selected communities from the four district municipalities in North West Province, South Africa. We analyzed the utilization patterns for 31 selected indigenous and naturalized plants (grains, fruits, and vegetables) among the 133 households using two ethnobotanical indices. In reference to the checklist of 31 plants, the sampled households utilize approximately 94% (29) as staple foods, beverages, fruits and fodder. Sorghum bicolor, Vigna unguiculata, Amaranthus sp., Sclerocarya birrea, Persea americana, and Mimusops zeyheri were among the top-six plants based on the Relative Frequency of Citation (RFC, 40–83%). In terms of the different crop-types, Sorghum bicolor (grain), Amaranthus sp. (vegetable), and Sclerocarya birrea (fruit) were the top-ranked plants based on the Species Popularity Index (SPI, 0.53–0.83) among the participants. Overall, there is a need for a renaissance of indigenous and naturalized plants, which has the potential to encourage rural farmers to further embrace the cultivation of these plants on a larger scale so as to enhance food security in the rural communities.

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Section: Introductionmentioning

confidence: 99%

Utilization Pattern of Indigenous and Naturalized Plants among Some Selected Rural Households of North West Province, South Africa

Omotayo

Ndhlovu

Tshwene

et al. 2020

Plants

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“…50,[61][62][63] Some sub-Saharan African countries have initiated breeding programmes, frequently involving the National Agricultural Research System supported by the International Potato Center, to provide varieties suited for local growing conditions. 3,64 Preventative cultural control…”

Section: Disease-resistant Potato Varietiesmentioning

confidence: 99%

“…2 However, food security in sub-Saharan Africa remains a chronic problem. 3 Although there is sufficient food to satisfy global average food consumption in lower-income countries, several countries in sub-Saharan Africa suffer from food insecurity due to low production with limited access to food produced in other countries. 4 Food security is likely to worsen with the impact of climate change and a growing population.…”

Section: Introductionmentioning

confidence: 99%

“…4 The effects of climate change are expected to be most severe in sub-Saharan Africa because of the high dependence on agriculture and its vulnerability to extreme weather events. 3,5 Predicted climate change impact in sub-Saharan Africa is highly complex and region specific. Droughts and heat waves, unseasonal rainfall, and an increase in the frequency of extreme weather events are likely in future.…”

Section: Introductionmentioning

confidence: 99%

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Potato virus Y and Potato leafroll virus management under climate change in sub-Saharan Africa

Krüger

Waals

2020

S. Afr. J. Sci.

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Potato has increased in importance as a staple food in sub-Saharan Africa, where its production is faced with a multitude of challenges, including plant disease development and spread under changing climatic conditions. The economically most important plant viruses affecting potatoes globally are Potato virus Y (PVY) and Potato leafroll virus (PLRV). Disease management relies mostly on the use of insecticides, cultural control and seed certification schemes. A major obstacle in many sub-Saharan Africa countries is the availability of disease-free quality seed potatoes. Establishment and implementation of quality control through specialised seed production systems and certification schemes is critical to improve seed potato quality and reduce PVY and PLRV sources. Seed could be further improved by breeding virus-resistant varieties adapted to different environmental conditions combined with management measures tailored for smallholder or commercial farmers to specific agricultural requirements. Innovative technologies – including more sensitive testing, remote sensing, machine learning and predictive models – provide new tools for the management of PVY and PLRV, but require support for adoption and implementation in sub-Saharan Africa.

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“…The global impact of P. infestans is in excess of $6.2 billion per annum due to crop loss and the use of fungicides [ 4 , 5 ]. The necessity of fungicides to combat the spread of P. infestans has caused resistant strains to continually develop, and so the design of novel fungicides to target this pathogen would help address one of the fundamental challenges of the 21st century-food security [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Evaluation of Novel Ellipticines and Derivatives as Inhibitors of Phytophthora infestans

et al. 2020

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The pathogen Phytophthora infestans is responsible for worldwide catastrophic crop damage and discovery of new inhibitors of this organism is of paramount agricultural and industrial importance. Current strategies for crop treatment are inadequate with limitations of efficacy and market alternatives. Ellipticines have recently been reported to have fungicidal properties and have been assessed against P. infestans growth with promising results. We hereby report a probe of the ellipticine framework to investigate the alkyl subunit and screen a set ellipticines and derivatives to identify new lead compounds to act against P. infestans. A series of ellipticinium salt derivatives have been identified with exceptional growth inhibitory activity and apparent lack of toxicity towards a human cell-line surpassing the effect of known and marketed fungicides. This report identifies the potential of this natural product derivative as a novel fungicide.

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Global Food Security, Contributions from Sustainable Potato Agri-Food Systems

Cited by 124 publications

References 45 publications

Utilization Pattern of Indigenous and Naturalized Plants among Some Selected Rural Households of North West Province, South Africa

Utilization Pattern of Indigenous and Naturalized Plants among Some Selected Rural Households of North West Province, South Africa

Potato virus Y and Potato leafroll virus management under climate change in sub-Saharan Africa

Synthesis and Evaluation of Novel Ellipticines and Derivatives as Inhibitors of Phytophthora infestans

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