Prosopis tamarugo seed collection area

Physiological variation of Prosopis species under drought conditions

Prosopis tamarugo seed collection area
Prosopis tamarugo seed collection area (Photo by F. Carevic).

Actions aimed at reforesting arid areas around the world are becoming increasingly complex. In a recent study published in AoB PLANTS, Carevic et al. evaluated the physiological resistance to drought stress of Prosopis (mesquite) seedlings from different collection sites in the Atacama Desert, northern Chile. Their results show that seedlings from the most hyperarid habitats had higher tolerance to water stress than seed collected from less arid sites. The high variability in physiological responses to water stress at the interpopulation and intrapopulation levels provides a powerful seed selection tool for future reforestation programmes aimed at the early selection and genetic improvement of species of the Prosopis genus and at regenerating and preserving these endangered woodlands.


AoB PLANTS is an open-access, online journal that publishes peer-reviewed articles on all aspects of environmental and evolutionary biology. Published by Oxford University Press, AoB PLANTS provides a fast-track pathway for publishing high-quality research, where papers are available online to anyone, anywhere free of charge. Reasons to publish in AoB PLANTS include double-blind peer review of manuscripts, rapid processing time and low open-access charges.

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