Aspen Trees Remember Past Droughts in Their Leaves, Shifting Their Chemical Defenses Against Insects for Years Afterward
Nature World News | 15.10.2026 14:56
Quaking aspen that live through a drought do not simply bounce back when the rain returns. A University of Utah study found that drought-stressed aspen changed the chemistry of their leaves in the years that followed, building up compounds that deter leaf-eating insects while cutting back on others that help fend off microbes.
