Science topics: AngiospermsPoaceae
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Poaceae - Science topic

A large family of narrow-leaved herbaceous grasses of the order Cyperales, subclass Commelinidae, class Liliopsida (monocotyledons). Food grains (CEREALS) come from members of this family. RHINITIS, ALLERGIC, SEASONAL can be induced by POLLEN of many of the grasses.
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Publications related to Poaceae (10,000)
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At present, many houses in the Peruvian highlands do not have the necessary infrastructure to face climatic phenomena, even though there are pre-Hispanic vernacular houses as ancestral legacies that allow them to resist this inclemency, among them are the Putucos of Puno (Taraco and Samán), Therefore, the objective of this research is to study and...
Article
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A study was conducted in Adola Reedde to identify major grass species and evaluate their chemical composition, in vitro digestibility, and dry matter yield. Sixty key informants taken from the sampled kebele of three agro-climates were interviewed to identify common grasses in their vernacular name. Relative feed value and dry matter digestibility...
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Puccinia striiformis f. sp. tritici ( Pst ), the cause of wheat stripe rust, is a biotrophic and heteroecious rust fungus with five spore types. Cool and humid climatic conditions are conducive for the development of wheat stripe rust, and in turn, temperatures above 22 °C limit or even cease the disease. The survival of Pst during summer after whe...
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Background Allergic rhinitis is a risk factor for asthma development. In asthma, fibroblast progenitors, fibrocytes, are increased in the blood and bronchial mucosa following allergen exposure. These cells may play a role in lower airways remodeling as observed in non-asthmatic subjects with allergic rhinitis. Objective To determine the influence...
Article
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Background Forest and nonforest ecosystems of the western United States are experiencing major transformations in response to land-use change, climate warming, and their interactive effects with wildland fire. Some ecosystems are transitioning to persistent alternative types, hereafter called “vegetation type conversion” (VTC). VTC is one of the mo...
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Soil biopore genesis is a dynamic and context-dependent process. Yet integrative investigations of biopore genesis under varying soil type, tillage and vegetation history are rare. Recent advances in Machine Learning (ML) made faster and more accurate image analysis possible. We validated a model trained on Convolutional Neural Network (CNN) using...
Article
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This study determined the effect of purified condensed tannin inclusion levels in a diet on production, haematological indices, blood biochemical components, meat quality and methane emission by yearling indigenous male Bapedi sheep on a grass hay and sheep pellet-based diet in a 28-day trial. The diets contained similar (P > 0.05) nutrients but wi...
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Plants can have strong effects on soil biota and thus subsequent plant growth in those soils. In agroecosystems, these microbe-mediated plant-soil feedbacks (PSFs) can have strong positive or negative effects on subsequent crop growth, but how multiple factors including the identity of the species involved, crop diversity and soil characteristics i...
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Arbuscular mycorrhizal fungi (AMF) are soil microorganisms symbiotic with plants and play critical roles in the growth and survival of their hosts. However, the influence of shrub encroachment on AMF remains unclear. We analysed the soil microbial biomass of fungi, especially AMF, under interspace grass patches and shrub patches during the process...
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The seasonal timing of the transition from vegetative to reproductive growth has a major impact on biomass accumulation in switchgrass. Late‐flowering switchgrass cultivars produce greater biomass, a critical trait for sustainable bioenergy production. Genomic prediction (GP) may allow rapid selection of late‐flowering individuals with reduced time...
Article
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Floral abundance and richness on farmland has been declining since the mid 1900 s. Agri-environment schemes (AES) can improve floral resource availability through establishment of flower-rich areas or careful management of areas set-aside to naturally regenerate on farmland. Ideal management regimes include sowing and re-sowing of seed mixes, regul...
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Changes in land use and landscapes have a direct impact on the regional eco-environment. It is of great importance to understand the change pattern of land use, landscapes, and their mechanism on the ecological quality, especially ecologically fragile areas. The northern sand-prevention belt (NSPB) is an important ecologically fragile area in China...
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Miscanthus, a C4 perennial rhizomatous grass, is capable of growing in varied climates and soil types in Europe, including on marginal lands. It can produce high yields with low nutrient inputs when harvested after complete senescence. Senescence induction and rate depend on complex genetic, environmental, and management interactions. To explore th...
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Determination of accurate roughness coefficient was realized necessary for hydraulic parameters estimation in open channel flow. For the purpose this study was planned to carry out on experimental basis in hydraulic laboratory hall of campus itself. In this study, a combination between experimental and numerical models study were carried out to inv...
Article
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To investigate the effects of the dietary inclusion of elephant grass on the growth performance, blood profiles, carcass characteristics, ileum and stomach microbiota of fattening pigs, pigs were fed one of seven diets including a basal diet (Control), and six treatments, where the basal diet was supplemented with 10%, 15% or 20% of elephant grass,...
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This paper addresses the issue of cross-racial desire in Doris Lessing’s 1950 novel, The Grass Is Singing. It draws upon Rene Girard’s theory of mimetic desire and combines it with Fanon’s insights into the nature of interracial intimacies in racist societies to argue Lessing’s novel depicts a mimetic situation where the black man’s attraction to t...
Preprint
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Numerous studies have highlighted the physical and mental health benefits of contact with nature, typically in landscapes characterized by plants (i.e., “greenspace”) and water (i.e., “bluespace”). However, natural landscapes are not always green or blue, and the effects of other landscapes are worth attention. This narrative review attempts to ove...
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In Senegal, the Angiosperms represent the best known and most diverse group. The main objective of this work is to contribute to a better knowledge of the biodiversity of Senegal. More specifically, this work seeks to analyse the diversity of Angiosperms i information (herbaria, floras and botanical gardens) has made it possible to show that the fl...
Presentation
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High-throughput plant phenotyping in field conditions using proximal sampling is useful to support agricultural research by the encoding of plant genetic response to environment and management influence. Proximal Sensing Carts employed by the USDA in Maricopa Plant Group Phenotyping Team have successfully measured multiple plant traits and environm...
Article
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Many studies have disentangled the perceived benefits of vegetation on subjective well-being (SWB). Yet, scant attention has been paid to the joint effect of vegetation and building density on SWB. This study explores the relationship between streetscape vegetation (SV), building density and SWB in Beijing, China. Our analysis relies on rich measur...
Article
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The intensification of agriculture has increased the traffic of heavy machines, which can cause soil compaction, becoming a limiting factor for plant growth and development. The aim of this work was to evaluate the effects of machine traffic on soil physical attributes, root growth and dry mass production of legumes and grasses cultivated as cover....
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Due to the loss of wetlands, land‐use change, and confrontations with humans, the common hippopotamus (Hippopotamus amphibius) is one of the largest land mammals currently threatened and classified as vulnerable by the International Union for Conservation of Nature (IUCN). The common hippo is found in protected and unprotected habitats, marshes, an...
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Although it is widely acknowledged that animal personality plays a key role in ecology, current debate focuses on the exact role of personality in mediating life-history trade-offs. Crucial for our understanding is the relationship between personality and resource acquisition, which is poorly understood, especially during early stages of developmen...
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Rhizobial nitrogen fixation in legumes provides spillover benefits to neighbouring plants such as pasture grasses. Generally, it is understood to be unidirectional between plant functional groups, providing a benefit from legumes to grasses. We question whether bidirectional complementarity also exists in terms of exploiting the wider soil nutrient...
Article
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Marginal land conversion to perennial energy crops can provide biomass feedstocks and climate change mitigation. However, the effect of perennial energy crop cultivation on soil organic carbon (SOC) sequestration and its underlying mechanism in marginal land still remains incomplete. Here, SOC turnover, stability, and its potential sequestration we...
Article
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Climate warming and increased atmospheric nitrogen deposition are both predicted to alter the primary productivity of grass-dominated systems in the coming decades. In field experiments, while both factors can have substantial effects on productivity in the initial years, further changes can be delayed by lags in plant species composition responses...
Article
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This paper introduces the symbolic and spiritual significance of the number three to the people of the Chinese Yugur ethnic minority for their cultural ceremonies including the Yugur sacrifice to E’bo, weddings, and traditional sporting events. The Yugur people are especially cognizant of the importance of such cultural symbolism in transmitting et...
Article
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The goals of the present work were to document the weed species in barley fields in Farms of GMR agricultural project in Jardina-Soloq region. The present work is based on field research conducted from January 2016 to March 2018 in Farms of Global Monitoring Report (GMR) agricultural project in Jardina-Soloq region. Multiple field visits were perfo...
Article
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One of the most common annual overwintering weeds in various crops worldwide is silky bent grass (Aspera spica-venti (L.) Beauv). The aim of this study was to investigate the selected morphological characteristics and chemical composition of A. spica-venti from different cultivation fields in Poland, depending on the macronutrient content of the so...
Article
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We report the first record of Sikkim grass lizard, Takydromus sikkimensis Günther, 1888 in Nepal based on morphological characters such as the presence of four pairs of femoral pores, 12 rows of ventral scales, tail more than 3.6 times longer than snout-vent length. Our record of T. sikkimensis at Miklajung, Morang district represents the western-m...
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Powdered speargrass (Imperata cylindrica) (IC) root was modified by treating with orthophosphoric acid and was engaged for the trapping of Congo red (CR) dye molecule from solution. The raw and modified IC roots were characterized using Fourier transform infrared, Scanning electron microscopy, Boehm titration, and pH point of zero charge technique....
Conference Paper
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A co current hazard on top of COVID-19 pandemic could create a devastating impact on the health and disaster response systems. The likelihood of such a multi hazard scenario in Jaffna district is high. Training of community members and grass root level public health workers on a multi hazard scenario would be a future investment. Objectives of thi...
Conference Paper
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The study was conducted in three of Tehuldre, Jabitehnan, and West Dembia for two consecutive years (2018 and 2019) to evaluate the yield and chemical composition of nine brachiaria grass cultivars/species. The experiment was designed in a randomized complete block design with three replications. Nitrogen, phosphate & sulfur (NPS) at 100kg/ha was a...
Article
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Weed control relies mainly on integrated control methods of preventive, agricultural and chemical methods. On pasture lands, however, the chemical methods of spraying pesticides in large area is expensive, has negative consequences on ground water, on environment and on health in general. A safer and more cost effective alternative is biocontrol of...
Article
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Yard waste consist of garden waste, generated by public parks and private gardens routine maintenance such as grass clippings, leaves from deciduous trees, flowers, fallen fruits, branches, twigs and logs and its composition vary greatly depending on the original location due to climate and other environmental conditions. Yard waste may represent a...
Article
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Purpose Allelopathy is a plant interaction in which a donor species releases chemicals that suppress the development of receptor species. Allelopathy has been suggested as one explanation for catastrophic loss of native biodiversity in some invaded biomes; however, experimental tests of this hypothesis have had inconsistent results. Here, we examin...
Article
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In the last decades the Alpine landscape has dramatically changed due to social and economic factors. The most visible impact has been the reduction of the population for mid and high altitude villages and the shrinking of the part of the land used for agriculture and grazing, with a progressive reduction of pastures and meadows and the expansion o...
Conference Paper
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Brazil has been under great pressure to reduce greenhouse gas emissions, especially enteric methane (CH4) emissions emitted by cattle. Intensified systems and nutritional strategies improve production efficiency while reducing enteric CH4 emissions. The objective of this experiment is to reduce the enteric CH4 emission of Nellore cattle through gra...
Article
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The increasing human pressure on African regions is recognizable when looking at Land Use Land Cover (LULC) change maps, generally derived from satellite imagery. Using the Ethiopian Fincha watershed as a case study, the present work focuses on (i) identifying historical LULC change in the period 1989-2019; (ii) estimating LULC in the next thirty y...
Article
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Solar-induced chlorophyll fluorescence (SIF) has been recognized as a proxy of gross primary production (GPP) across various terrestrial biomes. However, the effects of low temperature on SIF and GPP among different plant function types (PFTs) have not yet been well-explored. To gain a better understanding of the relationship between SIF and GPP, w...
Article
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Nassella trichotoma is one of the most serious weed species in Australia. It is often confused with other Nassella and stipoid species, especially at the young seedling stage, adding another layer of complexity in effective weed management. We report here the complete chloroplast genome of N. trichotoma (137,568 bp, GenBank accession number KX79250...
Article
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The cobalt mining sector is well positioned to be a key contributor in determining the success of the Democratic Republic of the Congo (DRC) in meeting the Sustainable Development Goals (SDGs) by 2030. Despite the important contribution to the DRC’s economy, the rapid expansion of mining operations has resulted in major social, health, and environm...
Article
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Salinity caused by excess salts in soil solutions is one of the most limiting environmental stresses in agriculture worldwide. In this scenario, among strategies that favor the expression of the genetic potential of plants, the use of biostimulants stands out. The objective of this study was to evaluate the influence of a seaweed-based biostimulant...
Article
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Baby corn (Zea mays L.) is a type of maize belonging to the Poaceae family of plants. It is grown as a vegetable in a wide range of Agro-ecological zones in Kenya. The plant is mainly grown for its immature unfertilized ears harvested within 2 to 3 days after silk emergence. However, due to continued demand for water, rainfall unreliability and the...
Article
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Objective: To estimate the percentage of Leucaena in the diet of heifers fed with Taiwan grass, in order to maximize the efficiency of the ruminal supply of microbial Nitrogen (ERSMN). Design/Methodology/Approach: Five heifers were randomly selected for each of the five treatments (0, 20, 40, 60, and 80% supplementation with Leucaena), according to...
Article
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A note on Setaria barbata (Lam.) Kunth, a common grass in Acharya Jagadish Chandra Bose Indian Botanic Garden, Howrah
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Objective: to evaluate the forage production performance of hybrid grasses of the genus Urochloa at different mowing intervals and intensity. Design/methodology/approach: Camello I (GPB025) and Camello II (GPB07) hybrids were evaluated at different intervals (5 and 7 weeks) and cutting intensities (10 and 20 cm). The study was carried out under tem...
Article
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Objective: To evaluate the vegetative, reproductive, production, and forage quality characteristics of three Buffel grass varieties from northern Tamaulipas. Design/Methodology/Approach: A pot trial was established under open field conditions, at CERIB-CIRNE-INIFAP in Río Bravo, Tamaulipas, on 04/15/2016 and 03/10/2017; the experiment was carried o...
Article
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The pollen analysis has become an important technique to evaluate the use of selectively breeding crops, including the three most important grasses to human nutrition. This study aimed to evaluate the reproductive potential of oat species and their hybrid progeny (amphiploids) during three consecutive vegetation seasons. Correlation and regression...
Article
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Autonomous vehicle perception systems typically rely on single-wavelength lidar sensors to obtain three-dimensional information about the road environment. In contrast to cameras, lidars are unaffected by challenging illumination conditions, such as low light during night-time and various bidirectional effects changing the return reflectance. Howev...
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With rapid climate change and urbanisation, protecting biodiversity is of the utmost importance. Allotment Gardens (AGs) are important as many measures to mitigate climate change revolve around local management. AGs play roles in the health of AG owners in later life. We tested the impact of flower count, percentage coverage and local percentage co...
Article
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Carbon and water use efficiency (CUE and WUE) are crucial indicators of grassland ecosystem responses to climate change. Grass planting is one of the dominant methods of grassland restoration and agricultural production. However, how warming and reclamation impact grassland CUE and WUE remain unclear. Here we examined how warming affected carbon an...
Article
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Key message The proportional contribution of endophytic and phyllospheric diazotrophs to tree N nutrition can be quantified by ¹⁵N techniques. Abstract Observations of vigorous growth of Pinus spp. on unreclaimed gravel mining sites, together with measured net nitrogen (N) gains of 50 kg N ha–1 y–1 in sand culture, indicate the importance of alter...
Article
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Dry grass is a widespread residue of agricultural activities in Morocco. This paper investigates the effect of incorporating this organic waste on the Physicochemical and Thermomechanical performance of unfired clay bricks. The used raw clay material used is of illite type, extracted from Bensmim in the Ifrane region. Various grass filler proportio...
Article
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Soil organic matter (SOM) decomposition and organic phosphorus (P) cycling may help sustain plant productivity under elevated CO2 (eCO2) and low-P conditions. Arbuscular mycorrhizal (AM) fungi and their role in P-acquisition and SOM decomposition may become more relevant in these conditions. Yet, experimental evidence of AM fungi and P availability...
Article
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We investigated the degree to which plant species diversity, drought and fertiliser level in a grassland ley can affect performance of a follow-on crop in a rotation. Grassland species and functional group diversity (grasses, legumes and herbs) were manipulated from monocultures to six-species mixtures in the grassland ley phase. A simulated two-mo...
Article
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Seed position – dependent effects on seed dormancy/germination are well documented at the inflorescence/infructescence level, but less is known about seeds at different positions within a dispersal unit. For the invasive winter annual grass Aegilops tauschii, we quantified morphology, mass and dormancy/germination of seeds from basal (1), middle (2...
Article
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The invasive alien species Harmonia axyridis (Coleoptera: Coccinellidae) was first observed in the UK in 2004. Previous studies have demonstrated the adverse effects on other species of H. axyridis during its early stages of establishment. However, habitat factors are important in determining distribution and population trends of ladybirds. Whilst...
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The intensive development of nanotechnology led to the widespread application of various nanoparticles and nanomaterials. As a result, nanoparticles enter the environment and accumulate in ecosystems and living organisms. The consequences of possible impact of nanoparticles on living organisms are not obvious. Experimental data indicate that nanopa...
Article
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Zoysia matrella [L.] Merr. is one of the three most economically important Zoysia species due to its strong salt tolerance and wide application. However, the molecular mechanisms regulating salt tolerance in Z. matrella remain unknown. The protein disulfide isomerase ZmPDI of Z. matrella was obtained by salt stress screening with yeast cells, and i...
Article
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Plants possess a sophisticated hormone-signaling system, which includes salicylic acid (SA) and jasmonic acid (JA), to defend themselves from herbivores. In addition, this immune system is modulated by nonpathogenic microbes that live asymptomatically within intercellular spaces of host grasses. We investigated the resistance triggered by defense h...