Articles tagged with Flowers
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Researchers found that the green-flowered Aeschynanthus acuminatus evolved on the mainland, not in Taiwan, and adapted to shorter-beaked birds. This contradicts the Grant-Stebbins model of plant evolution, which predicted the species would evolve in Taiwan with new pollinators.
Researchers found high floral scent chemodiversity attracts a wider variety of pollinators but reduces bacterial richness on flowers. The discovery supports the 'Filthy Pollinator Hypothesis', which proposes that diverse scents prevent detrimental microbial colonization.
Researchers at the University of Göttingen argue that creating diverse landscapes with various habitats is necessary for biodiversity preservation. Habitat diversity can include arable land, natural areas, and structures like nesting sites, promoting species movement and reduced extinction risk.
A long-term field study found that wild bumble bees strategically target flowers to balance their diet, adjusting their consumption of protein, fat, and carbs based on tongue length and seasonal flower availability. This nuanced approach allows them to thrive together and maintain strong colonies.
Researchers identify two distinct gene transcripts, SiMYB2-Long and SiMYB2-Short, that regulate anthocyanin accumulation and pigment pattern formation in Saintpaulia flowers. The study reveals the genetic basis of flower patterning, potentially enabling more deliberate breeding of patterned flowers.
A large census of dikes in the Netherlands revealed that more bee species live on dikes than previously thought, with 154 different species found. The researchers found that flower-rich dikes attract many more bees, especially endangered species, due to the variety of plants and nesting sites.
Researchers at the University of Missouri discovered that soybeans employ differential transpiration as a natural defense strategy to cool reproductive tissues under extreme weather conditions. This adaptation allows plants to save significant amounts of water while protecting their flowers and seed pods.
A new study found that honey bees extract nearly 80% of available pollen in a day, leaving little for native bee species. This exploitation could lead to population declines and disruption of ecosystem balance.
Researchers from the University of Copenhagen and UK identified a set of flower mixtures that attract both pollinators and delight the human eye. The study found that seed mixes containing species like yarrow, cornflower, and purple viper's bugloss establish themselves better in soil and bloom for longer.
The study found that combining native and non-native species, such as Achillea millefolium and Cosmos bipinnatus, attracts a diversity of pollinators. The novel seed mixes also improved establishment and aesthetic appeal.
A meta-analysis from the University of Copenhagen shows that flower strips with at least two sown species increase the number of natural enemies by an average of 70 percent. This is due to the diverse range of flowers attracting a broader range of beneficial insects, such as ladybirds and hoverflies.
A University of Maryland study reveals that young plants face a hidden trade-off between fighting disease and growing, leading to reduced reproductive fitness. Plants with stronger disease resistance as seedlings produce fewer flowers and seeds over their lifetime.
A study by Northwestern University scientists found that incomplete historical records have led to low genetic diversity and population decline among corpse flowers. The lack of standardized data makes it challenging for conservationists to make informed decisions about breeding, resulting in a high percentage of cloned plants.
Researchers found that flower constancy is an optimal strategy balancing cognitive and travel costs, not just a memory constraint. Bees decrease constancy when flowers have similar colors or are clustered, but maintain high constancy in mixed environments.
A new species of the elusive 'fairy lantern' genus Thismia has been discovered in eastern Peninsular Malaysia. The critically endangered species, Thismia aliasii, relies entirely on fungi for its nutrition and is threatened by habitat degradation due to increasing hiking activities.
Research suggests that flowering plants' tendency to reward pollinators with nectar is heritable and influenced by flower size and sugar content. Bees prefer honest flower genotypes, benefiting the plant through increased seed production.
A study published in Ecological Applications found that a diversity of corolla sizes in urban flower communities positively impacts wild bee biodiversity. Researchers from Concordia University collected data from 16 sites around Montreal and identified 94 different species of bees and almost 150 different species of flowers.
A new study suggests that extreme weather events are crucial to understanding phenological responses in plants and insects. The research found that disruptions to the delicate relationships between certain species, such as the yucca plant and yucca moth, can have significant consequences for survival.
A new plant species, Nasa katjae, has been discovered in Peru's Andean cloud forests through citizen science efforts. The species is characterized by its scarlet-red flowers and is potentially vulnerable due to habitat loss and climate change. The discovery emphasizes the importance of protecting remaining pristine habitats.
Researchers have used CRISPR gene editing to study the regulation of the Unusual Floral Organs (UFO) gene in plants, uncovering the importance of conserved non-coding DNA sequences in controlling flower formation.
Researchers from the University of Georgia are exploring how to repurpose edible flowers as sustainable food ingredients using ultrasound technology. The method helps dry out and preserve flowers without compromising their quality, making them a viable source of protein, vitamins, and minerals.
Researchers found that anthocyanin in wind-pollinated tree stigmas protects pollen germination and growth by scavenging reactive oxygen species. This adaptation helps protect exposed reproductive parts from sun damage.
A study by Kobe University botanist Kenji Suetugu reveals that certain fungus-eating orchids, like Stigmatodactylus sikokianus, predominantly self-pollinate after three days, ensuring reproductive success. This delayed mechanism may drive the evolution of combined self- and outcrossing methods to avoid inbreeding.
Researchers warn of environmental risks posed by snakes and insects in imported ornamental plants, calling for improved regulations and sustainable practices. The study highlights the difficulty of monitoring and controlling pests due to high-volume trade, posing a threat to ecosystems and human health.
Researchers at Tokyo Metropolitan University discovered that durian plants bloom approximately 50 days after a 15-day dry spell, affecting both grafted and seed-grown varieties. This study sheds light on the tropical ecosystems and can inform effective agricultural practices to predict flowering and manage harvests.
A recent UC Riverside study found that raking dead grass can boost California's native wildflower diversity, reducing fire danger and increasing plant community changes. The simple, low-cost method of removing invasive grass layers allows native seeds to germinate and grow.
A new study has uncovered a rare plant fossil with unusual flowers, fruits, and stems that does not belong to any living family or genus. The discovery suggests there may be more diversity in the fossil record of flowering plants than previously recognized.
A new study enhances phenology predictions using a 150-year-old dataset, revealing that plant species in the US are flowering three to four weeks earlier. The research used historical observations from a rediscovered 19th-century report to improve forecast accuracy.
Higher levels of satellite-based greenness and street-level green components are associated with lower adiposity in US children. The study suggests that increasing residential green space levels could be a viable urban planning strategy to combat childhood obesity.
Research reveals that certain soil microbes can enhance flower size, resulting in increased bee visitations, but high colonization levels may lead to smaller flowers. The study focuses on arbuscular mycorrhizal fungi associations with plant roots and their impact on floral traits and pollinator interactions.
A Curtin University study uses eDNA metabarcoding to track insect interactions with avocado flowers, detecting five times more unique pest species than digital video recordings. This method could help improve yields and make agricultural operations more efficient by identifying beneficial pollinators and pests.
A Dartmouth-led study reveals the fundamental genetic pathways and biological mechanisms behind the corpse flower's heat production and odorous chemicals. The researchers identify a new component of the corpse flower's odor, an organic chemical called putrescine, which is released when the plant blooms.
A study by Macquarie University researchers found that plants can salvage resources from wilting flowers and reuse them to promote future reproduction. The study showed that plants transfer resources underground in corms and roots to produce new flowering stems in the subsequent season, often a year later.
Research reveals plants have developed strategies similar to sperm manipulation in animals to compete for space on pollinators. A study found that flowers use catapult-like mechanisms to dislodge rival pollen, increasing their chances of reproductive success.
A new study explores clauses in pollination contracts that could make them more appealing to beekeepers, including pesticide protection and cover crop options. Beekeepers valued these features, particularly those protecting against pesticide exposure, with discounts ranging from $6 to $8 per colony.
Researchers have decoded the genetic makeup of 'Samantha' rose variety to create a powerful resource for future comparative genomic studies. The study found that human selection has significantly influenced the genetic diversity of modern roses, but preserving genetic traits is essential for their health and adaptability.
A study found that nitrogen-fixing bacteria in soil enhance flowers' attractiveness to bumblebees. Plants with these bacteria grew significantly taller and larger than those without, and their flowers became more vibrant and attractive to pollinators.
Researchers developed a model using gene activity to predict when Somei Yoshino cherry tree buds awake from dormancy. The study found that the breaking of endodormancy requires around 61 days with temperatures lower than 10.1°C, and climate change is delaying this process by 2.3 days per decade.
Researchers at the University of Cambridge found that flowers like hibiscus use an invisible blueprint to dictate the size of their bullseyes, which can significantly impact their ability to attract pollinating bees. Larger bullseyes are preferred by bees and can potentially boost efficiency for both bees and blossoms.
A new study published in PLOS ONE found that the diversity and abundance of flowers in a garden, rather than its surroundings, have a greater impact on attracting pollinators. The researchers discovered that providing blooms all season long is crucial for promoting local pollinator communities.
Researchers discovered high levels of multidrug-resistant Aspergillus fumigatus in commercially available compost, soil, and flower bulbs. The fungus poses a significant risk to human health, particularly for individuals with compromised immune systems.
Researchers discovered that hummingbirds create a 3D map of their body when neurons in the forebrain fire as gusts of air touch their wings and skin, allowing them to sip nectar from flowers with precision. This unique ability is also shared by zebra finches, but with slightly less sensitivity.
Researchers from Queen Mary University of London reveal that baobab trees originated in Madagascar before traveling to Africa and Australia, where they evolved unique pollination mechanisms. The study provides new insights into how climate change has influenced baobab distribution and speciation patterns over millions of years.
A new study finds significant variation in pollinator attractiveness among annual flower cultivars, with some varieties drawing in more insects than others. Begonia and impatiens cultivars were found to be particularly attractive to bees and other pollinators.
A new Japanese lily species, Lilium pacificum, has been identified after 110 years, revising the conventional classification into eight taxons. The plant has unique characteristics and is adapted to specific environments in Japan, offering clues for speciation studies.
Research reveals that hornets are the primary pollinators of two Angelica species, contradicting the notion that these plants have generalist pollinators. This discovery impacts ecological research and conservation efforts by highlighting the importance of hornets as pollinators.
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.
Researchers found that diverse native wildflower plantings increase flower resources for pollinators, with higher abundance and diversity in heterogeneous landscapes. The study emphasizes the importance of maintaining wildflower plantings for multiple years to maximize floral diversity.
A research team from the IBMCP has identified a gene called FUL that regulates the duration of flowering in crops like peas, leading to increased seed production. This finding could provide a biotechnological tool to prolong reproductive phases and boost yields in leguminous crops.
A new analysis of the sunflower family tree shows that flower symmetry evolved multiple times independently among its members. The research, led by Penn State biologist Hong Ma, used low-coverage genome sequences to increase the number of species available for comparison and resolved more of the finer branches of the family tree.
A study by the University of Seville researchers confirms Darwin's hypothesis of precise pollination across all angiosperms, with a focus on heterostylous species. The findings show that floral traits and pollinators fit together like a jigsaw puzzle to promote accurate pollen transfer.
Researchers have discovered the first orchid species pollinated by gall midges, a tiny fly species. The study found that the flowers of Oberonia japonica are specifically adapted to attract female gall midges, which then transfer pollen and access structures, solving a mystery in plant-pollinator relationships.
Researchers found that Amystrops sap beetles pollinate fragrant screw pines, contrary to previous assumptions about wind-pollination. The study also revealed floral thermogenesis in male and female flowers of Pandanus odorifer.
The discovery of a new orchid species in Madagascar has shed light on the country's biodiversity crisis. Solenangis impraedicta boasts an extraordinary nectar spur and is threatened by mining activities and poaching for the orchid trade.
Researchers identified genes controlling sorghum flowering and found that overexpressing one gene can delay flowering, increasing plant growth and biomass. The study provides new insights into optimizing sorghum for bioenergy goals.
Researchers found that fungus gnats lay eggs in the flowers, which then feed on decaying flowers to develop into adult gnats. However, some gnats may escape the trap, suggesting a nuanced interaction between plant and insect.
A study by University of Seville researchers reveals that climate change has brought forward the flowering period in Doñana National Park by 22 days, affecting 80% of species. This shift leads to increased competition for pollinating insects and altered plant community dynamics.
A University of Washington team discovered that nitrate radicals in the air degrade scent chemicals released by wildflowers, making them undetectable to nighttime pollinators. The researchers found that pollution likely has worldwide impacts on pollination, with areas including western North America and Europe most affected.
Scientists at CNRS found that flowering plants in farmland are evolving towards self-fertilization as insects decline. This phenomenon threatens plant-pollinator interactions, highlighting the need for conservation measures.
Researchers analyzed fossilized flowers and compared them to living species, finding that early angiosperms had a high level of morphological diversity despite having fewer species. The study suggests that floral organization was more flexible early in their evolutionary history, allowing for novel flower types to evolve more easily.