Articles tagged with Tree Roots
Research found that oak tree microbiomes are resilient to environmental stressors like drought and disease, with subtle changes in root microbiota after prolonged drought. The study suggests a potential role for beneficial bacteria in supporting tree resilience and stability.
Researchers discovered that oak trees adjust their root systems to access more soil nutrients under elevated CO2, employing both 'do it yourself' and 'outsourcing' strategies. This adaptation enables the trees to optimize growth and maintain nutrient supplies.
A 20-year experiment found that warmer soils alter the behavior of tree roots in different ways, with oak trees changing their interactions with soil microbes but maple trees maintaining their patterns
Luke McCormack, a Tree Root Biologist at The Morton Arboretum, has been recognized as one of the most cited and influential researchers worldwide. He leads the Root Biology Lab, examining root strategies to help trees cope with waterlogging and drought stress.
The WVU team, led by Yu Gu, is testing Loopy's ability to 'co-design' itself and learn to mark contaminated areas. Inspired by natural phenomena like ant swarms and tree roots, Loopy changes form in response to its environment.
Researchers found that mature trees increased wood production by an average of 9.8% under elevated CO2 levels, supporting their role as medium-term carbon stores and natural climate solutions. This increase was not accompanied by a corresponding rise in leaf or fine-root production.
A rapidly spreading virus is attacking cacao trees in Ghana, resulting in harvest losses of between 15-50%. Researchers have developed a new strategy to combat the spread of the disease using mathematical data to determine safe planting distances for vaccinated trees.
A study in São Paulo's central area found that poor wood condition, sidewalk root constriction, and drastic pruning are major predictors of urban tree failure. The researchers propose guidelines for stakeholders to reduce the number of failures, which average 2,000 per year.
A new study reveals how sika deer foraging is causing soil erosion, reducing the growth of Japanese beech trees. The research found that exposed roots are more vulnerable to water loss, affecting tree health and increasing vulnerability to climate change and pests.
A new study reveals that some US truffle producers are accidentally cultivating winter truffles instead of European black truffles, a more valuable species. The researchers analyzed specimens from 10 anonymous truffle orchards and found that all but one were winter truffles.
Researchers used hydrophones to record the sounds of Pando aspen grove's leaves and root system, discovering vibrations passing through the tree during a windstorm. The study challenges traditional concepts of individual organisms and has potential applications in nondestructive analysis of environmental systems.
Researchers found that severe beech leaf disease infestation hurts trees' relationships with helpful root mutualists, ectomycorrhizal fungi. Trees with the most severe symptoms had over 65% less healthy fungi in their roots compared to those with mild symptoms.
Researchers found no strong evidence that underground fungal networks, known as common mycorrhizal networks (CMNs), offer benefits to trees and their seedlings. While CMNs exist, there is limited understanding of their structure and function in the field, leading to questionable claims about resource transfer and seedling survival.
A study in a subtropical forest found that arbuscular mycorrhizae (AM) trees outperform ectomycorrhizal (EcM) trees in high-diversity ecosystems due to more efficient nutrient-acquisition strategies. In contrast, EcM tree monocultures had reduced net primary production and were dominated by pathogenic fungi.
Researchers from SPUN mapped the diversity of mycorrhizal fungi across Palmyra Atoll, finding unique nutrient feedback loops that support rainforests, plankton communities, and coral reefs. The study highlights the importance of these underground networks in maintaining ecosystem resilience to climate change.
A study led by Gabriel Filippelli suggests that the evolution of tree roots during the Devonian Period caused massive algae growth, depleting ocean oxygen and triggering mass extinctions. The researchers found that tree roots released excess nutrients into the oceans during times of decay, leading to catastrophic events.
Researchers at Nagoya University have developed a new method to study the life cycle of tree roots, shedding light on the decomposition process. They found that fine roots, which control nutrient uptake by trees, are discarded and decompose differently than leaf litter.
Researchers found that elevated CO2 levels stimulate tree growth, resulting in longer and more extensive root systems. This adaptation helps trees absorb nutrients from the soil, providing limited protection against climate change. The study provides insights into how forests respond to increased carbon dioxide levels.
Researchers have discovered that Mexican mangrove forests have been absorbing and storing carbon for an impressive 5,000 years. The study found that these unique ecosystems are capable of retaining large amounts of carbon due to the presence of certain microorganisms.
Researchers at the University of Malaga found that conifers are tolerant to excessive amounts of ammonium, which can cause toxicity in other plants. The study used state-of-the-art techniques to identify molecular mechanisms involved in ammonium's effects on pine roots.
Researchers found that fungal communities play a key role in tree growth, with some species increasing tree growth rates up to a tree-fold. The study suggests that using specific fungal communities can help improve forestry and potentially absorb more carbon from the atmosphere.
Scientists have measured the speed of Candidatus Liberibacter asiaticus, a bacterium causing citrus greening disease. The bacteria can colonize a tree in around 80-100 days, faster than symptoms appear, making it difficult to control.
Research reveals that tree root systems are a significant source of methane emissions in wetland areas, including the Amazon basin. The study suggests that existing models may be underestimating methane emissions by neglecting the role of trees.
Researchers found that trees are tapping into bedrock for water, a phenomenon previously thought to be rare. The study, led by Erica McCormick at UT Austin, suggests that bedrock is a significant source of water for trees, with rock moisture outdoing soil as a water source in many cases.
Fine root anatomy and function data from the FRED 3.0 database informs Earth system models predicting future climate changes. Meanwhile, 3D printed concrete smart walls demonstrate energy efficiency and potential cost savings in buildings.
A recent study published in Functional Ecology reveals that trees' carbohydrate reserves are crucial for surviving insect defoliation, with a critical threshold of 1.5% carbohydrates in dried wood. Trees growing along forest edges tend to have more reserves, making them more resilient than interior forest trees.
Research from Utah State University finds that large trees in western forests benefit from mycorrhizal connections to fungi, which enhance nutrient uptake and provide defense against pathogens. Diverse forest networks offer greater protection for these giant trees.
A study by Florida Atlantic University quantifies the optimal mangrove root hydrodynamic with a predictive model, providing insight into sediment transport and erosion processes. The research suggests that optimizing porosity can mitigate coastal erosion and promote biodiversity.
A new study has identified regions in the banyan fig's genome that promote the development of its aerial roots and enhance its ability to signal its wasp pollinator. The researchers also discovered a sex-determining region in a related fig tree, Ficus hispida, which produces distinct male and female trees with no aerial roots.
Root traits respond to soil characteristics, enabling trees to adapt to harsh environments and maximize resource acquisition. The study found that contaminated soils foster shorter roots, which can immobilize toxic elements like arsenic and lead.
Shinshu University researchers have developed a new method to capture carbon via root exudates in wild forests. The method, which is quick and gentle on fine-scale roots, detects and measures the organic compounds released from tree roots into the soil.
Researchers compared Lisbon lemon and Washington Navel orange trees using metabolomics and microbiome technologies to understand HLB's impact on root systems. The study found differences in metabolite levels and beneficial bacteria between the two varieties, which may inform preventative and treatment measures.
A study led by Scott Mackay finds that pines and junipers access water sources through their deep roots during prolonged dry spells. The research suggests that growing new roots takes too long to tap into deeper resources, helping conifers survive droughts.
Scientists have uncovered fossils of trees from the world's oldest forest, dating back 386 million years, in a sandstone quarry in Cairo, New York. The discovery provides new insights into the evolution of trees and their role in shaping the world we live in today.
Researchers studied traditional Khasi building techniques for living root bridges, which can reach over 50 meters in length and withstand centuries. The bridges' complex root structure provides stable and safe passage, while also serving as a natural cooling system for cities.
Researchers found that soil fungus types determine tree survival rates in forests, with some trees thriving in dense groups due to protective fungal networks. The study reveals a complex interplay between beneficial and pathogenic fungi, shedding light on rare-species advantage's underlying mechanisms.
The study found that Moringa leaves contain 30 times more iron and 100 times more calcium than spinach, making them a rich source of essential nutrients. The tree's roots and stem parts also exhibit anti-inflammatory and antioxidant properties, highlighting its potential as a superfood.
A recent study published in PLOS ONE found that tropical tree roots account for almost 30% of the total biomass of young trees. The research also revealed diverse root architectures among species, with some sending large tap roots and others extending laterally just below the soil surface.
A global synthesis study led by Rutgers University professor Ying Fan Reinfelder shows strong links between root depth and local soil and water conditions. Plants adapt to droughts by shifting to wetter environments through seed dispersal.
Researchers found that large stem cuttings of the Endangered Cycas microneica tree can produce adventitious roots, enabling the creation of large transplants. However, this approach may not address underlying threats such as insect pests and tropical cyclones.
New research reveals that root extension rates vary depending on plant age and size, with younger plants extending roots more at night and older plants doing so during the day. This study contributes to our understanding of ontogeny, or the study of organisms from initiation to maturity.
Researchers found that different tree species employ unique strategies to acquire nutrients, with thicker roots avoiding hot spots and thinner roots relying on fungal partnerships. Understanding these strategies can help predict forest responses to climate change.
Researchers found trees exchange large quantities of carbon among different species through mycorrhizal fungi. This discovery questions the concept of tree individuality and adds a new dimension to the role of these fungal networks in forests.
Researchers used a new device to measure how plants take in and transport water, finding that substrates containing wood have no impact on root water uptake. The study provides insight into plant performance and adaptability to environmental conditions.
Despite disparate root growth patterns, tree species with magnolioid and graminoid morphology exhibit comparable efficiency in acquiring soil nutrients. Trees use symbiotic associations with mycorrhizal fungi to take up nutrients, with thin-root species relying on rapid root proliferation.
Forest scientists at UBC have discovered the root cause of a deadly tree fungus: extra genes that produce a toxic toxin. The fungus, Mycosphaerella populorum, threatens poplar trees in plantations and eastern North America.
Researchers found that fine root hydraulic conductance is related to transplant recovery in two Quercus species, with spring transplanting optimal for Quercus bicolor. The study suggests that understanding tree roots' behavior can inform better decisions regarding transplant timing and improve post-transplant recovery.
Researchers found that tree roots in mountainous ecosystems can regulate carbon dioxide levels by breaking down rock into component parts. This process, called weathering, draws carbon dioxide out of the atmosphere and cools the planet, potentially preventing catastrophic overheating or cooling over millions of years.
A recent study has re-evaluated the effect of nitric oxide on lateral root formation, finding that this molecule can both promote and inhibit root branching. The study utilizes a new parameter for measuring lateral root density and demonstrates the importance of considering the timing of root initiation.
A recent study has discovered that potted plants grow significantly larger when placed in bigger pots, with some species reaching up to 40% increase. The researchers found that the plants' roots sense the pot size, allowing them to adjust their growth accordingly.
Yellow-cedar trees are dying off across large areas in Alaska and British Columbia due to root freezing caused by reduced snow and cold temperatures. The tree's shallow roots make it vulnerable to freezing injury, leading to its decline. Conservation strategies are needed to protect the species.
An international team led by a visiting researcher at IU has formally named a new class of fungi, Archaeorhizomyces, previously only known through DNA sequencing. The discovery estimates up to 250 species within the class and sheds light on their ecological roles in terrestrial ecosystems.
Researchers found that root grafting between individual jack pine trees increased radial growth rates and allowed for the sharing of resources such as water, photosynthates, and nutrients. This cooperative behavior challenges the traditional view of trees as competitors and suggests a new strategy for tree interactions.
A study by Purdue University researcher Robert Swihart found that pine voles prefer oak roots over other tree roots, causing high mortality rates among oak seedlings. The rodents cause more damage to white oak roots than other trees, potentially leading to a decline in oak availability.
The genetic code of the Laccaria bicolor fungus has been fully sequenced, revealing new insights into its symbiotic relationship with trees. The study identifies key genes that facilitate nutrient uptake and protect against parasites, while also enabling communication between the fungus and tree.
Scientists found that the same mechanism regulates vein formation in leaves and branches, changing plant development studies. The discovery sheds light on plant growth and may lead to new ways of manipulating plant development.
A study by Texas A&M AgriLife Communications reveals that planting containerized seedlings in the fall can significantly increase the survival rate of pine tree seedlings, with a 93% survival rate compared to 67%. The shift in reforestation methods may help landowners improve their forest land management and reduce waste.
Duke University researchers studied tree roots in place, finding they adjust anatomy and physiology to maximize water transport deep underground. The findings improve theoretical models of water transport within trees, revealing the importance of deep roots in efficient water flow.
A study by Argonne National Laboratory and Duke University found that the roots of loblolly pine trees can last up to 4.2 years, controlling CO2 absorption in soils. In contrast, sweetgum trees have shorter root lifetimes, leading to faster carbon transfer.
A Texas Agricultural Experiment Station study found that early planting, even in September, can give slash pine trees a growing head start towards better survivability. Container-grown trees showed more than 90% survival after the first year, compared to 60% for bare-root trees.