AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesTechnology, Industry, AgricultureInformation ScienceHealth Care
PollenFlowersPollen TubePollinationLiliumPlant ProteinsRhinitis, Allergic, SeasonalGene Expression Regulation, PlantAngiospermsPlant NectarBetulaBeesAllergensPlant StructuresArabidopsisAntigens, PlantGenes, PlantPetuniaOvuleAmbrosiaPlant InfertilitySeedsReproductionCupressusInflorescenceOrchidaceaeArabidopsis ProteinsPlants, Genetically ModifiedRosaGerminationCryptomeriaSelf-Incompatibility in Flowering PlantsMADS Domain ProteinsOleaDianthusLiliaceaeAntirrhinumMeristemAlnusMolecular Sequence DataDNA, PlantTreesPoaceaePlantsAsteraceaeMeteorological ConceptsCedrusPlant LeavesGametogenesis, PlantFruitPlant StemsPapaverBignoniaceaeRNA, PlantTobaccoPrunusCampanulaceaeWindColorPlant DevelopmentImmunoglobulin EBetulaceaeGerm Cells, PlantPrimulaHoneyPhylogenySeasonsMimulusOleaceaeCupressaceaeAmino Acid SequencePigmentationAGAMOUS Protein, ArabidopsisZea maysPlant Physiological PhenomenaPlant ExtractsChrysanthemumPhenotypeMicroscopy, Electron, ScanningPhleumSelf-FertilizationFeeding BehaviorBrassicaCrosses, GeneticHypersensitivityLycopersicon esculentumArtemisiaSkin TestsMutationJuniperusHeliconiaceaeRanunculaceaeEthylenesIpomoeaDesensitization, ImmunologicPlant ShootsPyrusGymnospermsMalusBiological Evolution
PlantsBeesNectarGrains of pollenAllergiesWeedsGrassesFennel PollenInsectsExtractsRagweed pollen seasonSunflowerPollinatorsSporesSpeciesArtificial PollenInterpretation of pollenAmount of pollenMean pollenQuality pollenAllergySpringtimeSymptomsHoneybee2018GranularVegetationBiomassCone1975MycotoxinsWraparoundPelletNature'sClimate changeProtein contentGrassPesticidesBee'sPistilConcentrationsPlantCollectEdibleCarbohydratesFossilsAllergic reactionSubstanceStemsPrimarilyHumansAsthmaMoistureSystem'sCoatsDampCloser lookSeedsIndoorsPrecipitation2023ProduceLarge quantitiesSunflowersSeasonsAnalysesPetalsDinosaurs
Plants25
  • There is of course a very close relationship between the moment at which pollen is released by plants and the data gathered by the traps used to measure these grains, but this is not always the case", Rafael Tormo, a botanist from the University of Extremadura and co-author of the paper, tells SINC. (medicaldaily.com)
  • Oxeye Daisies are one of the rarest plants in the game, and can be tricky to find, but you will be lucky to find them, but only in plains, sunflower plains, and flower forest biomes. (thatvideogameblog.com)
  • One of these, which scientists called Shanidar 4, became known as the " flower burial " when researchers discovered clumps of pollen from flowering plants in the soil underneath an adult male Neanderthal . (livescience.com)
  • While Hunt and his team largely agree with the earlier identification of the plant species, they discovered that the plants actually grow at slightly different times of the year, calling into question the previous interpretation that Neanderthals gathered flowers to bestow on the dead. (livescience.com)
  • The absence of orchids in the fossil record and their high degree of specialization meant that some researchers regarded orchids as a relatively recent addition to the repertoire of flowering plants. (bioedonline.org)
  • Rising temperatures will also cause some plants, such as oak and cedar, to release more pollen overall, meaning higher rates of allergy attacks and asthma. (kut.org)
  • Later-season plants could also get an earlier start, which means they'd overlap more with other species, a major downside for people sensitive to multiple pollens. (kut.org)
  • Some plants also could get a boost from higher levels of carbon dioxide, which acts like a fertilizer, causing plants to grow larger and release more pollen. (kut.org)
  • You may start having symptoms when ragweed plants release pollen into the air. (aafa.org)
  • Ragweed plants are releasing pollen for longer periods during the year and the plants are releasing higher pollen amounts. (aafa.org)
  • Climate change is also causing increased carbon dioxide gas in the air, which stimulates ragweed plants to make more pollen. (aafa.org)
  • However, this bee pollen is an unknown mixture of pollen from various plants and may also contain chemical residues from pesticides, etc. (integrativemedicine.info)
  • Maize gene flow occurs through cultivator determined seed selection and mixing as well as through pollen transfer between individual plants and fields. (nature.com)
  • The dominance by pollen of Chenopodiaceae and Artemisia is explained by low pollen production of high-altitude vegetation, preferential incorporation of pollen of late-blooming plants into the sediments, and high production and long-distance transport of lowland pollen. (springer.com)
  • plants grown at pH7 did not produce flowers and pollen. (frontiersin.org)
  • We also observed that, at pH5 and pH6, larger plants (as assessed by the dry weight of the aerial biomass) had both larger and more numerous inflorescences and emitted pollen earlier. (frontiersin.org)
  • Finally, the IgE-binding signal was higher in pollen samples collected from plants grown at pH5 (Integrated Optical Density, IOD, range: 1.12-1.25) than in those grown at pH6 (IOD range: 0.86 −1.03). (frontiersin.org)
  • Like honey and propolis, other well-known honeybee products that are gathered rather than secreted (i.e., in contrast to royal jelly and beeswax), the exact chemical composition depends on the plants from which the worker bees gather the pollen, and can vary from hour to hour, day to day, week to week, colony to colony, even in the same apiary, with no two samples of bee pollen being exactly identical. (wikipedia.org)
  • Pollen, a powdery dust-like substance, is produced by various flowering plants. (orkin.com)
  • Honey bees collect pollen and nectar from a variety of flowering plants, including milkweed, dandelions, clover, goldenrod and a variety of fruit trees. (orkin.com)
  • Plants make pollen. (healthwise.net)
  • Pollen is the grains or tiny seeds of flowering plants, trees, and grasses. (cdc.gov)
  • however, hypersensitivity reactions have been reported, especially in people allergic to members of the Asteraceae (eg, sunflower, ragweed) plant family and pollen of all flowering plants. (msdmanuals.com)
  • Our pollen archive shows us that some plants survived the disaster, but also that many were wiped out. (lu.se)
  • By studying pollen we can therefore see that the asteroid impact 66 million years ago not only affected dinosaurs and plants, but also insects. (lu.se)
Bees33
  • Bees can be primed for breeding by feeding them any flower. (thatvideogameblog.com)
  • Bees interact with flowers, having a pollinating effect, and creating more honey in bee hive or bee nest. (thatvideogameblog.com)
  • If an oak or birch tree grows as a sapling while having any flower within two blocks, it is given a 5% chance to grow a bees nest with up to three bees in it. (thatvideogameblog.com)
  • In the new study, published Aug. 28 in the Journal of Archaeological Science , a team of researchers led by Chris Hunt , a paleoecologist at Liverpool John Moores University in the U.K., reexamined the pollen evidence from Shanidar 4 and found that burrowing bees were a better explanation for the pollen than a Neanderthal funeral ritual. (livescience.com)
  • These ground-nesting bees could have drilled into the dirt and deposited collected pollen as they moved through the burrows. (livescience.com)
  • Instead, they suggest that it is far more likely that "pollen was collected and deposited in clumps by bees. (livescience.com)
  • But neither the pollen nor the bees can be directly dated. (livescience.com)
  • Angie Perrotti , a palynologist who runs the Palynology and Environmental Archaeology Research Lab (PEARL) who was not involved in the study, told Live Science in an email that Hunt and colleagues made a "compelling argument" for pollen introduction through burrowing bees. (livescience.com)
  • Bees can dissolve the pollen casings with enzymes and mix them with their saliva. (integrativemedicine.info)
  • Bee pollen is popular, it is obtained by placing fine-meshed wire grids in front of the bee houses, on which the bees wipe off the pollen they have brought with them when flying through. (integrativemedicine.info)
  • Bees are super pollinators and bring in pollen from a variety of flowers. (mighty.market)
  • In order for bees to create life they need to collect a large amount of pollen and nectar during springtime. (mighty.market)
  • Bees pack their pollen on their legs and bring it home, mixing it with honey to create a fermented bee bread for their young. (mighty.market)
  • We only collect a handful of pollen from our hives as to not disrupt the life cycle of our bees. (mighty.market)
  • Honey bees don't produce just honey, flower pollen and propolis. (swiss-pollen.ch)
  • Ashton[1] concludes that 'bees with very low crude protein levels, e.g., when coming off sunflowers, will run down very quickly if placed on a medium to heavy flow with average quality pollen support. (bijensterfte.nl)
  • In the eastern U.S., bees that have spent a good part of the Summer on blueberries appear to be more susceptible to CCD as are bees that are on a corn pollen diet. (bijensterfte.nl)
  • Today, feeding programs often start in August-September (unless bees have access to an excellent Fall pollen source such as rabbit brush) and continue through the Fall-Winter months. (bijensterfte.nl)
  • Each lens is sensitive to ultraviolet light, which can reveal markings on flowers that are invisible to humans but inform the bees where to land in order to find nectar. (newscientist.com)
  • Information on pollen and photos of honey bees with full pollen baskets on their legs as they pollinate cosmos flowers in the garden and return to the hive. (sabeekeeper.com)
  • Bumble bees often get tired from buzzing around gathering pollen for their baskets and will crawl into a flower and fall asleep. (themindunleashed.com)
  • Bumble bees often get tired from buzzing around gathering pollen and will crawl into a flower and fall asleep, often with their rounded, hairy abdomens covered with pollen, showing through the petals. (themindunleashed.com)
  • Bumble bees are very hairy, which is useful for gathering food and for pollinating as they buzz among the flowers. (themindunleashed.com)
  • Honey bees are of similar size, also carry pollen baskets and have hair, but it's very sparse compared to that of the bumble bee which makes it easier to tell them apart. (themindunleashed.com)
  • While many species of wild bees sleep in flowers regularly, honey bees usually work in shifts and sleep and nap in the hive although they may well stay out if they lost their bearings during the day's foraging. (themindunleashed.com)
  • According to Brandon Hopkins, a bee researcher at Washington State University, it's important that honey bees sleep because it helps them remember where to find pollen and nectar. (themindunleashed.com)
  • Forager bees that gather pollen do not eat it themselves, since they stop producing the proteolytic enzymes necessary to digest it when they transition to foraging. (wikipedia.org)
  • Foraging bees bring pollen back to the hive, where they pass it off to other worker bees, who pack the pollen into cells with their heads. (wikipedia.org)
  • With the leafcutter bee, as in most such bees, when the pollen ball is complete, the female lays an egg on top of the pollen ball, and seals the brood cell. (wikipedia.org)
  • For honey bees to produce honey, they consume pollen and nectar from a variety of flowers. (orkin.com)
  • Honey bees are attracted to gardens and fields that offer a variety of flowering vegetation. (orkin.com)
  • It is comprised of pollen and chemicals from the glands of worker bees. (orkin.com)
  • The flowers had mellow sweet odor, attracting mainly native bees and Apis melifera, which was characterized as effective pollinators. (bvsalud.org)
Nectar7
  • One day, fifteen or twenty million years ago, a bee dropped by an orchid and buried its head deep into the flower for a drink of nectar. (bioedonline.org)
  • Nectar is their source of carbohydrates and pollen is their source of protein. (mighty.market)
  • When a honeybee ingests nectar from a flower, it gets stored in a sac called the crop, or honey stomach. (newscientist.com)
  • During collection and possibly packing, the pollen is mixed with nectar and bee salivary secretions, signalling the start of the lactic fermentation process. (wikipedia.org)
  • Nectar is a sweet fluid found in flowers. (orkin.com)
  • Only workers forage for food, consuming as much nectar from each flower as they can. (orkin.com)
  • Pollinators in agricultural landscapes suffer from an increasingly intensive agriculture and loss of semi-natural habitat, which has resulted in lack of flower resources that provide pollen and nectar. (lu.se)
Grains of pollen3
  • Ramírez and his colleagues could tell immediately that the rough, granular grains of pollen belonged to an orchid. (bioedonline.org)
  • One plant can produce a billion grains of pollen each season. (cdc.gov)
  • They have found fossilised grains of pollen that provide us with answers to what happened to plant life at the time of the extinction of the dinosaurs. (lu.se)
Allergies7
  • Around 30% of the world's people have pollen-related allergies. (kut.org)
  • Since pollen can cause allergies, many people do not appreciate them very much. (integrativemedicine.info)
  • Allergies such as hay fever or asthma are always triggered by the mucous membranes, if you swallow the same pollen, nothing negative happens. (integrativemedicine.info)
  • Bee pollen is safe for short term use, but for those with pollen allergies, allergic reactions may occur (shortness of breath, hives, swelling, and anaphylaxis). (wikipedia.org)
  • The pollens that can cause allergies are usually from trees, grasses, or weeds. (healthwise.net)
  • If you have allergies, find out where the pollen counts are advertised so you can avoid pollen when the counts are high. (healthwise.net)
  • Pollen is harmless, but if you have seasonal allergies, your body mistakes the pollen for something dangerous and tries to attack it. (medlineplus.gov)
Weeds4
  • In the fall, weeds and grasses could keep releasing pollen up to 19 days later. (kut.org)
  • In the fall, many weeds produce pollen until there's a winter chill. (kut.org)
  • Trees and grasses and weeds are essentially responding to these climate changes and putting out more pollen. (kut.org)
  • If you have hayfever, you are having a reaction to pollen from grass, trees and weeds. (express.co.uk)
Grasses1
Fennel Pollen10
Insects8
  • These insects may have hidden pollen underneath a Neanderthal's remains, tricking researchers into thinking the Neanderthal had been buried on top of a bed of flowers, a new study finds. (livescience.com)
  • Though most of the Goodyerinae orchids tend to deposit pollen on the heads of visiting insects, one of the modern Dominican orchids drops pollen onto a bee's back. (bioedonline.org)
  • The tiny grains fill the air, some carried by insects and others simply wafting in the breeze to pollinate nearby flowers. (kut.org)
  • Pollen is transferred from one plant to another by wind and insects. (integrativemedicine.info)
  • Flowers also make pollen, which is spread by insects. (healthwise.net)
  • In the rock, individual fossils of leaves, flowers, insects and large quantities of microfossils such as pollen have been preserved. (lu.se)
  • This is pollen that attaches to insects and is spread by them. (lu.se)
  • Swirls of pale yellow accented with bursts of green, blue, and gold near the painting's center reflect the showiness of an early spring garden as the first flowers, shoots, and leaves appear, hungry insects and birds take wing, and lizards and amphibians awaken from their winter torpor. (cdc.gov)
Extracts2
  • Three main types of pollen are distinguished: water-soluble pollen, fat-soluble pollen, and liver-active pollen extracts. (integrativemedicine.info)
  • UPLC-Q-Exactive Orbitrap/MS-Based Lipidomics Approach To Characterize Lipid Extracts from Bee Pollen and Their in Vitro Anti-Inflammatory Properties. (acs.org)
Ragweed pollen season1
  • Some studies have shown that climate change has made the ragweed pollen season longer and more intense. (aafa.org)
Sunflower7
  • Poppies are found mostly in sunflower plains, but also in regular plains and flower forest biomes. (thatvideogameblog.com)
  • Red tulips are found in plains, sunflower plains, and flower forest biomes in Minecraft, and can be tried used to make red dye. (thatvideogameblog.com)
  • You can find orange Tulips in plains, sunflower plains, and flower forest biomes. (thatvideogameblog.com)
  • Crispy white Tulips can are also found in plains, sunflower plains, and flower forest biomes, and can be used to make light gray dye. (thatvideogameblog.com)
  • Sweet pink Tulips are found mostly in plains, sunflower plains, and flower forest biomes. (thatvideogameblog.com)
  • Cornflowers are most common in plains biomes, although you can also find them in mountain meadows, a sunflower plain, or the classic flower forests. (thatvideogameblog.com)
  • It is noteworthy that the three pollens in the above list that have the lowest protein levels - sunflower, blueberry, corn - have been lurking in the background in areas where CCD has raised its ugly head. (bijensterfte.nl)
Pollinators5
  • Pollen grains was the main resource offered to pollinators. (bvsalud.org)
  • Conservation of pollinators in agricultural landscapes: Which flower seed mixtures are the best to plant, and for what reasons? (lu.se)
  • To support pollinators, flower plantings have been suggested as a promising conservation action, and flower plantings have indeed been found to increase both abundances and diversity of several pollinator groups. (lu.se)
  • Despite the large scale of the flower plantings, that will probably increase with the new agricultural policy, there has been no thorough evaluation of which flower species that are most suitable to include in flower plantings to promote pollinators in Skåne and Sweden. (lu.se)
  • The times for field surveys will depend on weather conditions (pollinators like it nice and warm) and flowering phenology of the plant mixtures. (lu.se)
Spores2
Species8
  • These have the largest concentration of flowers - and have the most species. (thatvideogameblog.com)
  • Each plant has a species-specific pollen, comparable to the DNA in us humans. (integrativemedicine.info)
  • More than 80 plant species are native to the pollen. (swiss-pollen.ch)
  • In this study, we investigated the effects of soil pH on the germination, growth (plant height, width, dry weight, etc.) and reproductive investment (inflorescence size and n° of flowers) of Ambrosia artemisiifolia (common ragweed), an allergenic species that is highly invasive and alien in Europe, through a replicated experiment in controlled conditions. (frontiersin.org)
  • In addition, we determined if soil pH has an effect on the total pollen allergenicity of the species. (frontiersin.org)
  • In honeybees (Apis species) pollen is stored in the chambers of the hives. (wikipedia.org)
  • This method of pollen usage can also be seen in the wood-nesting bee species Xylocopa sulcatipes and Xylocopa sonorina. (wikipedia.org)
  • However, the knowledge is still limited about what kind of flower plantings benefit which pollinator species, such as common and rare species. (lu.se)
Artificial Pollen1
  • There are several artificial pollen diets available for honeybees that incorporate a variety of ingredients like soy, corn gluten, yeast, egg, or milk protein, but they often fail to provide the essential macronutrients (such as lipids and proteins), micronutrients (vitamins and minerals), and antioxidants needed by honeybees to thrive. (wikipedia.org)
Interpretation of pollen2
  • Although evidence of Neanderthal burial is no longer controversial in the field of archaeology, the interpretation of pollen as evidence of a flower-adorned burial ritual is still debated. (livescience.com)
  • The concept of an arid pleniglacial in the Middle East depends primarily on the interpretation of pollen diagrams including those of Lake Zeribar in the Zagros Mountains of western Iran. (springer.com)
Amount of pollen1
  • They found the total amount of pollen could grow 16% to 40% under a scenario of high greenhouse gas emissions. (kut.org)
Mean pollen1
Quality pollen2
Allergy6
  • Many allergy sufferers dread the first warm days of spring, when the air fills with pollen from blooming flowers and trees. (kut.org)
  • In the late summer and early fall, almost 50 million people in the U.S. have symptoms from an allergy to ragweed pollen. (aafa.org)
  • During the allergy season, TV stations, newspapers, or medical centers report local pollen counts. (healthwise.net)
  • Some of these changes in pollen due to climate change could have major impacts on human health such as increasing individuals' exposure to pollen and their risk of having allergy and/or asthma symptoms. (cdc.gov)
  • We compared daily pollen concentrations from 36 National Allergy Bureau (NAB) stations in the USA with flowering and pollen cone status observations collected within 200 km of each NAB station in each year, 2009-2021, for 15 common tree taxa using Spearman's correlations. (cdc.gov)
  • METHODS: Speciated pollen data were acquired from Atlanta Allergy & Asthma, a nationally certified pollen counting station. (cdc.gov)
Springtime1
  • Similar to the explosion of springtime pollen, some emerging infections declare their presence with large outbreaks that are impossible to miss. (cdc.gov)
Symptoms2
  • POLLEN SEASON is among us and hayfever sufferers are already showing symptoms. (express.co.uk)
  • So people usually do not have symptoms from this kind of pollen. (healthwise.net)
Honeybee5
  • Predominant and Secondary Pollen Botanical Origins Influence the Carotenoid and Fatty Acid Profile in Fresh Honeybee-Collected Pollen. (acs.org)
  • Does the protein content of pollen play a role in honeybee decline? (bijensterfte.nl)
  • A foraging honeybee gets dusted with pollen as she travels from flower to flower. (newscientist.com)
  • It differs from field-gathered pollen as honeybee secretions induce a fermentation process, where biochemical transformations break down the walls of flower pollen grains and render the nutrients more readily available. (wikipedia.org)
  • The foragers unload the pollen they gather directly into open cells located at the interface between the brood and stored honey, creating a typical band of what is called bee bread - the substance which is the main food source for honeybee larvae and workers. (wikipedia.org)
20183
  • In North America, pollen season became 20 days longer between 1990 and 2018, with pollen concentrations 20% higher, according to one study. (kut.org)
  • An earlier version of this story mistakenly said that between 1998 and 2018, pollen season became 20 days longer in North America. (kut.org)
  • OBJECTIVES: We evaluated the association between ambient pollen concentrations and emergency department (ED) visits for asthma and wheeze in Atlanta, Georgia during 1993-2018. (cdc.gov)
Granular2
  • Abstract: Super-Sweet is one of the leading China bee pollen granular suppliers and manufacturers, our professional factory is able to produce natural and organic bee pollen granular with cheap price and high quality. (supersweetgroup.com)
  • Welcome to wholesale pure and raw bee pollen granular, and to buy bulk products from us. (supersweetgroup.com)
Vegetation1
  • Modern pollen precipitation in Syria and Lebanon and its relation to vegetation. (springer.com)
Biomass1
  • Despite this microbial diversity, stored pollen is a preservation environment similar to honey, and contains consistently low microbial biomass. (wikipedia.org)
Cone3
  • The reports of flower and pollen cone status contributed to the USA-NPN's platform, Nature's Notebook, have the potential to help address gaps in pollen monitoring by providing real-time, spatially explicit information from across the country. (cdc.gov)
  • In this study, we assessed whether observations of flower and pollen cone status contributed to Nature's Notebook can serve as effective proxies for airborne pollen concentrations. (cdc.gov)
  • On the surface of the cone scales pollen is formed. (lu.se)
19751
  • Soil samples from on top of and underneath the burial were originally studied in 1975 by two palynologists - pollen experts - who determined they came from five known and two unidentified taxa, or biological groups. (livescience.com)
Mycotoxins2
  • Determination of Mycotoxins in Bee Pollen by Gas Chromatography-Tandem Mass Spectrometry. (acs.org)
  • Potential risks of consuming bee pollen include contamination by fungal mycotoxins, pesticides, or toxic metals. (wikipedia.org)
Wraparound1
Pellet1
  • Bee pollen, also known as bee bread and ambrosia, is a ball or pellet of field-gathered flower pollen packed by worker honeybees, and used as the primary food source for the hive. (wikipedia.org)
Nature's1
  • Happy Organics flower pollen is nature's multivitamin specially produced by their hives. (mighty.market)
Climate change1
Protein content1
  • Australia's Graham Kleinschmidt did much of the pioneering work on the importance of protein content of pollens. (bijensterfte.nl)
Grass2
Pesticides1
  • In France, where colony collapse occurred at around the time neonicotinoid pesticides were introduced, sunflowers are a major flower source. (bijensterfte.nl)
Bee's1
Pistil2
Concentrations1
  • For particular taxa, volunteer-contributed flowering status observations demonstrate promise to indicate seasonal patterns in airborne pollen concentrations. (cdc.gov)
Plant14
  • Flowers are a type of plant that naturally spawn in the Minecraft world. (thatvideogameblog.com)
  • You can plant flowers in flower pots, which is a nice way of decorating your minecraft builds. (thatvideogameblog.com)
  • But that one plant can produce up to 1 billion pollen grains. (aafa.org)
  • High summer is a busy time if you are into fennel because the plant is setting seeds and is in full flower. (thekitchn.com)
  • Branching sunflowers are because of their long flowering window and because you can get multiple stems or cuts per plant, they can be a really good option for a home-cutting garden for beautification or landscape. (johnnyseeds.com)
  • But what they will tend to do is, if they're left unpinched, they'll typically produce one large flower at the top of the plant, surrounded by several smaller, shorter side stems. (johnnyseeds.com)
  • Pollen, as the male cell of the plant kingdom, has a well-deserved reputation for extra vim, vigor, and volume. (semenax.com)
  • The flowers and fruit of the plant grow in an axillary position in the angle between the leaf and the twig (see second image below). (medscape.com)
  • Looking at variations in pollen grains is therefore a good way to study how plant life changed after the asteroid impact. (lu.se)
  • They will later dissolve the pieces in strong acid, leaving only the organic material - plant parts, pollen or bits of wood. (lu.se)
  • Only the outer shell of the pollen grain is preserved in the rock, but that is sufficient to be able to identify what type of plant the pollen came from - whether a flowering plant or a coniferous tree. (lu.se)
  • Some pollen grains look the same as their modern equivalents, and sometimes the researchers are lucky enough to find a fossilised flower with its pollen - this makes it possible to identify more specifically what plant the pollen is from. (lu.se)
  • Fieldwork will involve plant and insect surveys and mainly be conducted during the flowering of the different seed mixtures. (lu.se)
  • The transfer of POLLEN grains (male gametes) to the plant ovule (female gamete). (bvsalud.org)
Collect1
  • A few days ago we were passing by a field of wild fennel and made a mental note to return and collect some of the yellow, anise-flavored flowers. (thekitchn.com)
Edible2
Carbohydrates2
  • All beekeepers are aware that protein is a key constituent in a healthy bee diet - honey provides the carbohydrates, pollen supplies the protein. (bijensterfte.nl)
  • Pollen is one of the purest and richest natural foods, containing all of the nutritional requirements of a honey bee: sugar, carbohydrates, protein, enzymes, vitamins and minerals. (orkin.com)
Fossils1
Allergic reaction1
  • When this number is high, you will be more likely to have an allergic reaction if you are allergic to pollens. (healthwise.net)
Substance1
Stems1
Primarily1
  • We can also see that it is primarily pollen with complicated structures that disappeared with the dinosaurs. (lu.se)
Humans1
  • Bee pollen is harvested as food for humans and marketed as having various, but yet unproven, health benefits. (wikipedia.org)
Asthma5
  • Millions of children struggle with asthma that pollen can affect. (kut.org)
  • Pollen exposure can also cause asthma attacks in people who have asthma and for whom pollen is an asthma trigger . (cdc.gov)
  • BACKGROUND: Compared to many environmental risk factors, the relationship between pollen and asthma is understudied, including how associations may differ by pollen type and between subgroups, and how associations may be changing over time. (cdc.gov)
  • Rate ratios indicated 1-8% increases in asthma and wheeze ED visits per standard deviation increases in pollen. (cdc.gov)
  • CONCLUSIONS: Some, but not all, types of pollen are associated with increased ED visits for asthma/wheeze. (cdc.gov)
Moisture1
  • A moisture curve based on the ratio between Chenopodiaceae and Artemisia pollen indicates a pleniglacial climate with wet winters and a late-glacial and early-Holocene climate with periods of intense aridity. (springer.com)
System's1
  • Over time, these injections can provide relief by reducing your immune system's reaction to a specific pollen or other allergen. (medlineplus.gov)
Coats2
  • In the pollen coat, we encounter a limitless variety of shapes, some pollen coats are smooth, others have serrations with barbs that look like historical weapons under the microscope. (integrativemedicine.info)
  • Pollen grain coats from the end of the dinosaur era. (lu.se)
Damp1
  • Windy, dry weather often results in a high pollen count, while damp weather lowers it. (healthwise.net)
Closer look1
Seeds1
Indoors1
Precipitation1
  • In any case, high percentages of Chenopodiaceae and Artemisia pollen do not necessarily indicate low annual precipitation but a highly seasonal climate with cold winters and hot, dry summers. (springer.com)
20231
  • In Sweden, a new agricultural policy (implemented from EU´s Common Agricultural Policy 2023-2027) has been implemented that promotes flower plantings, but is a voluntary choice for farmers. (lu.se)
Produce1
Large quantities1
  • They have also developed "big vacuum cleaners" which are driven over the fields during the flowering period so that the pollen can be extracted in large quantities. (integrativemedicine.info)
Sunflowers1
Seasons1
Analyses2
  • Accordingly, chemical and nutritional analyses of bee pollen apply only to the specific samples being tested and cannot be extrapolated to samples gathered in other places or other times. (wikipedia.org)
  • We performed time-series analyses using quasi-Poisson distributed lag models, with primary analyses assessing 3-day (lag 0-2days) pollen levels. (cdc.gov)
Petals1
  • The inner perianth of a flower, usually of petals as opposed to sepals of the calyx. (chestofbooks.com)
Dinosaurs1
  • In order to study what happened at the time of the dinosaurs' extinction 66 million years ago, the researchers take us to the Badlands region of south-western North Dakota in the USA to look for fossilised pollen. (lu.se)