NDLI: Cassava molecular genetics and genomics for enhanced resistance to diseases and pests

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Cassava molecular genetics and genomics for enhanced resistance to diseases and pests

Content Provider	Consultative Group on International Agricultural Research (CGIAR)
Author	Ntui, V.O. Tripathi, J. Kariuki, S.M. Tripathi, L.
Description	Cassava (Manihot esculenta) is one of the most important sources of dietary calories in the tropics, playing a central role in food and economic security for smallholder farmers. Cassava production is highly constrained by several pests and diseases, mostly cassava mosaic disease (CMD) and cassava brown streak disease (CBSD). These diseases cause significant yield losses, affecting food security and the livelihoods of smallholder farmers. Developing resistant varieties is a good way of increasing cassava productivity. Although some levels of resistance have been developed for some of these diseases, there is observed breakdown in resistance for some diseases, such as CMD. A frequent re-evaluation of existing disease resistance traits is required to make sure they are still able to withstand the pressure associated with pest and pathogen evolution. Modern breeding approaches such as genomic-assisted selection in addition to biotechnology techniques like classical genetic engineering or genome editing can accelerate the development of pest- and disease-resistant cassava varieties. This article summarizes current developments and discusses the potential of using molecular genetics and genomics to produce cassava varieties resistant to diseases and pests.
Related Links	https://cgspace.cgiar.org/items/f4f2de14-5062-4425-8299-d9887c5426c0
File Format	PDF
ISSN	14646722
DOI	10.1111/mpp.13402
Journal	Molecular Plant Pathology
Issue Number	1
Volume Number	25
Language	English
Publisher	Wiley
Access Restriction	Open
Rights License	CC-BY-4.0
Subject Keyword	Roots, Tubers and Bananas Biotech & Plant Breeding Cassava African Cassava Mosaic Virus Gene Editing Genomics Breeding Manihot Esculenta Pests of Plants Plant Diseases Agronomy Disease Control Food Security Genetic Improvement Plant Breeding Plant Production
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science Food Science Plant Science

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