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West Africa is a core producer of Cashew (Anacardium occidentale L.), supplying 45% of the commodity on the global market. Despite this huge share of the international market, only 10% of the commodity is processed and consumed domestically. The low rate of consumption is reflected by low investment in the cashew industry, making the crop underutilised as a food and nutrition security crop in the region. The objective of this study was to analyse the trends in production, levels of consumption and export of the crop in West Africa, as a basis for informing strategic development interventions. This work utilised metadata from the United Nations Food and Agriculture Organisation database, Nitidae and other relevant sources to explore the production, consumption and export patterns of cashew from the year 2000 up to 2017. The metadata used were analysed using descriptive statistics. The study revealed that eleven (Cote D’Ivoire, Nigeria, Benin, Guinea Bissau, Burkina Faso, Ghana, Mali, Guinea, The Gambia, Senegal, and Togo) of the sixteen countries in West Africa were actively engaged in cashew production. It was also projected that production will decline in the next five years in countries such as Nigeria, Togo, Senegal, and Burkina Faso due to a reduction in the land under cashew cultivation, an increase in pest and disease infestations, coupled with a decline in genetic improvement and poor extension services. Production will remain stable in The Gambia and Guinea Bissau because most trees there are yet to hit the peak of production; and of reduced investment in research and development. Cashew consumption locally is dismal (<10% across the region) due to limited attention given to the processing industry in the region. To boost local production and consumption, as well maintain the 45% share of the international market in the next five years and beyond, it is essential to invest in genetic improvement, modification of agronomic practices, and investment in the processing industry, as well as research and development of the crop. [ABSTRACT FROM AUTHOR]

During the last decades, agricultural land-uses in West Africa were marked by dramatic shifts in the coverage of individual crops. Nowadays, cashew (Anacardium occidentale L.) is one of the most export-oriented horticulture crops, notably in Guinea-Bissau. Relying heavily on agriculture to increase their income, developing countries have been following a strong trend of moving on from traditional farming systems toward commercial production. Emerging infectious diseases, driven either by adaptation to local conditions or inadvertent importation of plant pathogens, are able to cause tremendous cashew production losses, with economic and social impact of which, in developing countries is often underestimated. Presently, plant genomics with metagenomics as an emergent tool, presents an enormous potential to better characterize diseases by providing extensive knowledge on plant pathogens at a large scale. In this perspective, we address metagenomics as a promising genomic tool to identify cashew fungal associated diseases as well as to discriminate the causal pathogens, aiming at obtaining tools to help design effective strategies for disease control and thus promote the sustainable production of cashew in West African Region. [ABSTRACT FROM AUTHOR]