Glyphosate is an herbicide commonly used in forestry operations throughout British Columbia, Canada. Researchers investigated how the chemical may affect the reproductive health of prickly wild rose, a perennial plant found beneath the forest canopy. The new study, by the open access publisher Frontiers, found that pollen viability decreased by an average of 66 percent compared to untreated plants a year after the herbicide was initially applied, with traces of glyphosate persisting for at least two years.
A new study led by researchers from McGill University and INRAE found that between 51-60% of the 64 million kilometres of rivers and streams on Earth that they investigated stop flowing periodically, or run dry for part of the year. It is the first-ever empirically grounded effort to quantify the global distribution of non-perennial rivers and streams. The research, which was published today in Nature, calls for a paradigm shift in river science and management.
Researchers from the Nara Institute of Science and Technology have found that plants balance growth and genome maintenance by organizing their responses to damage. Plants can't replace dead cells as animals do, and must deal with DNA damage without halting growth. Combined control of the plant hormones cytokinin and auxin allows plants to organize different DNA damage responses while minimizing cell death. This study will have broad applications to research on plants and other organisms.
Humans can do lots of things that plants can't do. But plants have one major advantage over humans: They can make energy directly from the sun. That process of turning sunlight directly into usable energy - called photosynthesis - may soon be a feat humans are able to mimic to harness the sun's energy for clean, storable, efficient fuel. If so, it could open a whole new frontier of clean energy.
Plants evolve specialized defense chemicals through the combined effects of genes, geography, demography and environmental conditions.
A previously unreported anatomical structure named the 'cantil' has been described in the popular plant model, Arabidopsis thaliana. Scientists from The Pennsylvania State University, USA, reveal that the cantil forms between the stem and flower-bearing stalk when flowering is delayed. Published in the journal Development, this study highlights that there are still discoveries to be made, even in some of the most meticulously studied species, and provides new clues for understanding conditional growth in plants.
Researchers used charcoal found in lake sediment records to assemble the fire history across the Rocky Mountains. They discovered that, since 2000, wildfires are burning nearly twice as much area, on average, compared to the last 2,000 years.
Carbon footprint declarations are used in construction to ease product selection for low carbon building, but these standards don't yet exist for green elements like soil, bushes and plants. A new study led by Aalto University is the first to map out how green infrastructure can be a resource for cities on the path to carbon neutrality.
A study of woodland ecosystems that provide habitat for rare, endangered species along streams, rivers throughout California reveals some ecologically important areas are inadvertently benefitting from water humans are diverting for their own needs. Though it seems a short-term boon to these ecosystems, the artificial supply creates an unintended dependence on its bounty, threatens the long-term survival of natural communities and spotlights the need for changes in the way water is managed across the state.
Researchers at the University of São Paulo discover that the fungus Fusarium verticillioides uses volatile compounds to manipulate insects and plants, promoting its own dissemination.