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This study represents the first estimate of drought-induced xylem embolism in palms across biomes and provides the first step towards understanding hydraulic adaptations in long-lived arborescent monocots. More
For young woody plants, being eaten by large mammals is a major threat and source of sapling mortality. Some species produce spines as a form of defence. How early these spines emerge may be a strong predictor of sapling survival. Until now, however, little attention has been paid to how spine emergence varies across species. […] More
How do plants emerge from the ground in tough sodium-rich soils? More
Carbon released from the land surface is one of the largest fluxes of carbon dioxide (CO2) between the atmosphere and the Earth’s surface, with plant respiration accounting for about half of this flux. As a result, terrestrial biosphere models are highly sensitive to changes in plant respiratory processes. The thermal acclimation response of plant respiration […] More
Root hairs help maize take up phosphorus from the soil. More
A new study of wild crop relatives of common bean (Phaseolus vulgaris) finds they retain useful adaptations to drought stress. More
What makes a plant tall? Scientists think it may be connected to a gene involved in responding to the hormone Auxin. More
In trees, the trade-off between leaf number and individual leaf size on current year shoots (twigs) is crucial to light interception. This relationship has consequences on leaf energy balance as well as carbon uptake at the whole plant level. Previous studies have suggested that it is advantageous for plants to have smaller but more numerous […] More
In oilseed rape (Brassica napus) bzh dwarf plants have improved nitrogen (N) uptake, N-utilization and N-use efficiency compared to normal types. Is this due to their shoots, or do roots play a role? More
As trees photosynthesize, using carbon from the atmosphere to grow and store energy, they also lose water to the air (transpire). During a drought, continuing to photosynthesize and transpire puts trees at risk of damaging their hydraulic conductivity and overall health. With growing seasons expected to lengthen with climate change in the northwestern USA, the […] More
How do plants adjust their body plan to cope with high-temperature stress? More
Animal pollinated flowers show two types of floral symmetry, actinomorphy (radial symmetry) with several planes of symmetry or zygomorphy (bilateral symmetry) with just one symmetry plane. Although these floral types evolved separately, to a large degree they show functionally similar pollination patterns. However, zygomorphic flowers are often visited by a narrower range of pollinator groups. […] More
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