Agroforestry Tree Species: Acacia tortilis, Biology, Importance, Agroforestry Production, and Biotechnology Application

Indigenous tree species play a vital role in maintaining soil fertility and supporting ecosystem functioning, particularly in agricultural landscapes. Acacia tortilis, widely distributed across arid and semi‑arid regions of Africa and the Middle East, is a keystone species valued for its resilience to extreme environmental conditions such as drought, salinity, sand‑dune movement, and intensive management practices like cutting and browsing. The species provides a wide range of products—including timber, fuelwood, fodder, food, and gum—and ecosystem services such as soil health improvement, shade, cultural benefits, and medicinal uses. This chapter outlines the biology, origin, distribution, ecology, morphology, and growth management of A. tortilis, as well as its mutualistic associations with arbuscular mycorrhizal fungi and nitrogen‑fixing bacteria. It also synthesizes biotechnological research conducted on the species, highlighting its importance for sustainable land management in dryland environments.

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