| chemical components of the roots of tectona grandis and gmelina arborea. | | 1977 | 905417 |
| evaluation of five medicinal plants used in diarrhoea treatment in nigeria. | five medicinal plants [acacia nilotica, acanthospermun hispidum, gmelina arborea, parkia biglobosa and vitex doniana] used in diarrhoeal treatment in kaduna state, nigeria, were investigated. this study was carried out on perfused isolated rabbit jejunum and castor oil-induced diarrhoea in mice. the aqueous methanol extracts (0.5, 1.0, 2.0 and 3.0 mg/ml) were generally found to cause a dose-dependent response in the isolated rabbit jejunum, though this was not uniform in all the plants. gmelina ... | 2005 | 15908152 |
| genetic variability and host specialization in the latin american clade of ceratocystis fimbriata. | abstract the ceratocystis fimbriata complex includes many undescribed species that cause wilt and canker diseases of many economically important plants. phylogenetic analyses of dna sequences have delineated three geographic clades within ceratocystis fimbriata. this study examined host specialization in the latin american clade, in which a number of lineages were identified using sequences of the internal transcribed spacer (its) region of the rdna. three host-associated lineages were identifie ... | 2003 | 18944327 |
| toxicological studies on aqueous extract of gmelina arborea in rodents. | gmelina arborea roxb. (verbenaceae) is an important medicinal plant in the traditional system of medicine of india. the plant is used in the treatment of snake-bites, fever, piles, and diabetes. however, there is little toxicological information available regarding its safety after exposure. the present study was designed to evaluate acute and repeated dose toxicity of the aqueous extract of gmelina arborea stem bark. | 2010 | 20738213 |
| genetic variation and variation in aggressiveness to native and exotic hosts among brazilian populations of ceratocystis fimbriata. | ceratocystis fimbriata is a complex of many species that cause wilt and cankers on woody plants and rot of storage roots or corms of many economically important crops worldwide. in brazil, c. fimbriata infects different cultivated crop plants that are not native to brazil, including gmelina arborea, eucalyptus spp., mangifera indica (mango), ficus carica (fig), and colocasia esculenta (inhame). phylogenetic analyses and inoculation studies were performed to test the hypothesis that there are hos ... | 2011 | 21190423 |
| permanent genetic resources added to molecular ecology resources database 1 june 2010 - 31 july 2010. | this article documents the addition of 205 microsatellite marker loci to the molecular ecology resources database. loci were developed for the following species: bagassa guianensis, bulweria bulwerii, camelus bactrianus, chaenogobius annularis, creontiades dilutus, diachasmimorpha tryoni, dioscorea alata, euhrychiopsis lecontei, gmelina arborea, haliotis discus hannai, hirtella physophora, melanaphis sacchari, munida isos, thaumastocoris peregrinus and tuberolachnus salignus. these loci were cro ... | 2010 | 21565125 |
| modulating effect of gmelina arborea linn. on immunosuppressed albino rats. | in the present study, the immunomodulatory effects of roots of gmelina arborea linn. were investigated | 2010 | 21713139 |
| in vivo rodent micronucleus assay of gmelina arborea roxb (gambhari) extract. | gmelina arborea roxb (family verbenaceae) commonly known as 'gambhari' tree, the various parts of the plants are widely used in diarrhoea, anti-pyretic, thirst, anemia, leprosy, ulcers, consumption, strangury, vaginal discharges. we tested the genotoxic potential of g. arborea in bone marrow cells obtained from swiss albino mice using micronuclei formation as the toxicological endpoints. aqueous extract of g. arborea (aega) was tested at the dose of 286 & 667 mg/kg body weight (b. w.). cyclophos ... | 2010 | 22247828 |
| in vitro antibacterial efficacy of 21 indian timber-yielding plants against multidrug-resistant bacteria causing urinary tract infection. | to screen methanolic leaf extracts of 21 timber-yielding plants for antibacterial activity against nine species of uropathogenic bacteria isolated from clinical samples of a hospital (enterococcus faecalis, staphylococcus aureus, acinetobacter baumannii, citrobacter freundii, enterobacter aerogenes, escherichia coli, klebsiella pneumoniae, proteus mirabilis, and pseudomonas aeruginosa). | 2013 | 24524024 |
| phytoremediation of abandoned crude oil contaminated drill sites of assam with the aid of a hydrocarbon-degrading bacterial formulation. | environmental deterioration due to crude oil contamination and abandoned drill sites is an ecological concern in assam. to revive such contaminated sites, afield study was conducted to phytoremediate four crude oil abandoned drill sites of assam (gelakey, amguri, lakwa, and borholla) with the aid of two hydrocarbon-degrading pseudomonas strains designated n3 and n4. all the drill sites were contaminated with 15.1 to 32.8% crude oil, and the soil was alkaline in nature (ph8.0-8.7) with low moistu ... | 2014 | 24933892 |
| bioactivity studies of the individual ingredients of the dashamularishta. | the bioactivity studies of the individual ingredients of dashamularishta--a classical ayurvedic preparation were done with the aqueous extracts of the individual ingredients. the aegle marmelos correa. exhibited severe toxicity to the brine shrimp (bst) nauplii, wheat rootlet growth (wrg) inhibition bioassay and lettuce seed germination (lsg) bioassay. it exhibited no inhibition to the growth of ppr and reo virus in vero cell line. the oroxylum indicum exhibited moderate toxicity to the bst and ... | 2004 | 16414581 |
| fungal planet description sheets: 371-399. | novel species of fungi described in the present study include the following from australia: neoseptorioides eucalypti gen. & sp. nov. from eucalyptus radiata leaves, phytophthora gondwanensis from soil, diaporthe tulliensis from rotted stem ends of theobroma cacao fruit, diaporthe vawdreyi from fruit rot of psidium guajava, magnaporthiopsis agrostidis from rotted roots of agrostis stolonifera and semifissispora natalis from eucalyptus leaf litter. furthermore, neopestalotiopsis egyptiaca is desc ... | 2015 | 26823636 |
| water use patterns of four tropical bamboo species assessed with sap flux measurements. | bamboos are grasses (poaceae) that are widespread in tropical and subtropical regions. we aimed at exploring water use patterns of four tropical bamboo species (bambusa vulgaris, dendrocalamus asper, gigantochloa atroviolacea, and g. apus) with sap flux measurement techniques. our approach included three experimental steps: (1) a pot experiment with a comparison of thermal dissipation probes (tdps), the stem heat balance (shb) method and gravimetric readings using potted b. vulgaris culms, (2) a ... | 2015 | 26779233 |
| iridoid glycosides from gmelina arborea. | three iridoid glycosides 6-o-(3''-o-benzoyl)-alpha-l-rhamnopyranosylcatalpol (1a), 6-o-(3''-o-trans-cinnamoyl)-alpha-l-rhamnopyranosylcatalpol (2a) and 6-o-(3''-o-cis-cinnamoyl)-alpha-l-rhamnopyranosylcatalpol (3a) were isolated from aerial parts of gmelina arborea and structures were elucidated by spectral analysis. additionally a known iridoid 6-o-(3'', 4''-o-dibenzoyl)-alpha-l-rhamnopyranosylcatalpol (4) was also isolated and identified. | 2008 | 18684476 |
| iridoid glycoside-based quantitative chromatographic fingerprint analysis: a rational approach for quality assessment of indian medicinal plant gambhari (gmelina arborea). | a sensitive, selective and robust qualitative and quantitative densitometric high-performance thin layer chromatographic method was developed and validated for the determination of iridoid glycoside in the aerial part of gambhari (gmelina arborea). iridoid gycoside 6-o-(2'',3''-dibenzoyl)-alpha-l-rhamnopyranosylcatalpol (ig) was used as a chemical marker for the standardization of g. arborea plant extracts. the separation was performed on aluminum kieselgel 60f254 tlc plates using chloroform-met ... | 2008 | 18524530 |
| evaluation of gmelina arborea leaves supplemented with grasses (panicum maximum and pennisetum purpureum) as feed for west african dwarf goats. | | 2004 | 15560519 |
| responses of gmelina arborea, a tropical deciduous tree species, to elevated atmospheric co2: growth, biomass productivity and carbon sequestration efficacy. | the photosynthetic response of trees to rising co(2) concentrations largely depends on source-sink relations, in addition to differences in responsiveness by species, genotype, and functional group. previous studies on elevated co(2) responses in trees have either doubled the gas concentration (>700 μmol mol(-1)) or used single large addition of co(2) (500-600 μmol mol(-1)). in this study, gmelina arborea, a fast growing tropical deciduous tree species, was selected to determine the photosynthet ... | 2011 | 21889049 |
| phytochemical screening, and assessment of ameliorating effect of aqueous and ethanolic extracts of gmelina arborea on drug induced hepatic and renal insufficiency in rats. | phytochemical screening of stem bark and leaves of gmelina arborea; and effect of aqueous and ethanolic extracts of gmelina arborea stembark on hepatic and renal insufficiency in rats was assessed in this study. phytochemical screening was carried out on the air-dried leaf, oven-dried leaf, air-dried stembark and oven-dried stembark samples. sixty five (65) wister albino rats, (50.7-117.5 g) were divided into thirteen groups of five animals each. three groups serve as controls and were administe ... | 2012 | 22459477 |
| ethnomedicinal plants used to treat bone fracture from north-central western ghats of india. | north central western ghats in india comprises rich bio-cultural diversity and is also home to varied ethnomedicinal practices. the study was taken up for documentation and analysis of traditional knowledge regarding the practice and use of plants in the treatment of bone fracture. this is an effort to preserve the vanishing wealth of traditional knowledge. | 2012 | 22668503 |
| toxicological evaluation of the methanol extract of gmelina arborea roxb. bark in mice and rats. | the present study was designed to evaluate acute and repeated dose toxicity of the methanol extract (me) of the gmelina arborea stem bark. | 2012 | 22778509 |
| effect of aluminium toxicity on growth responses and antioxidant activities in gmelina arborea roxb. inoculated with am fungi. | arbuscular mycorrhizal fungi alleviating the adverse aluminium effects on growth and antioxidant activity was tested in gmelina plants. under greenhouse and aluminium stress condition, the mycorrhizal gmelina plants showed good growth as compared to non mycorrhizal gmelina plants. mycorrhizal colonization in gmelina was found not to be significantly influenced by aluminium concentrations. results also indicate that symbiotic association was successfully established between glomus intraradices an ... | 2012 | 22908633 |
| in vivo antioxidant and vasodilating activities of gmelina arborea (verberaceae) leaves hexane extract. | the present study investigated the effects of gmelina arborea hexane leaves extract on markers of oxidative stress and its vasorelaxant effects on isolated rat aorta, in order to postulate the possible mechanisms involved in the antihypertensive properties of the plant. to evaluate the antioxidant effects of the extract, rats were randomly divided into four groups of five rats each. with the exception to the group receiving tween (2.5%), the other groups were treated either with nacl (900mg/kg/d ... | 2012 | 23045387 |
| effects of gmelina arborea extract on experimentally induced diabetes. | to study the effects of aqueous extract of gmelina arborea bark on normoglycemic levels and streptozotocin (stz) induced diabetes in rats. | 2013 | 23790330 |
| effect of gmelina arborea roxb in experimentally induced inflammation and nociception. | gmelina arborea roxb (verbenaceae), also known as "gambhari", is an important medicinal plant in the ayurveda. there are no meticulous scientific reports on effect of the plant on inflammation and pain. | 2013 | 24250144 |
| effect of allelochemicals from leaf leachates of gmelina arborea on inhibition of some essential seed germination enzymes in green gram, red gram, black gram, and chickpea. | the present work focused on identification of allelochemicals from the leaf leachates of gmelina arborea and analyzing its influence on the germination of red gram, green gram, black gram, and chickpea in terms of the levels of some important germination enzymes like acid phosphatase, catalase, peroxidase, and amylase. the study showed that allelopathic effects were more predominant in chickpea with 80% followed by red gram, green gram, and black gram where the inhibition ranged between 26% and ... | 2014 | 27350959 |
| cornuvesica: a little known mycophilic genus with a unique biology and unexpected new species. | little is known about the biology of the monotypic genus cornuvesica (microascales), apart from that isolates are notoriously difficult to culture on artificial media. a recent collection of material resembling this genus from freshly made wounds on gmelina arborea in indonesia, provided an opportunity to reconsider all available material of cornuvesica falcata, type species of the genus. in addition to morphological comparisons, multigene phylogenetic analyses were made using sequences of the s ... | 2015 | 26058537 |
| gmelina arborea roxb. (family: verbenaceae) extract upregulates the β-cell regeneration in stz induced diabetic rats. | gmelina arborea roxb. (common name: et-demata, family: verbenaceae) has been used traditionally in sri lanka as a remedy against diabetes mellitus. the objective of the present study was to evaluate antidiabetic mechanisms of the aqueous bark extract of g. arborea in streptozotocin induced (stz) diabetic male wistar rats. aqueous bark extract of g. arborea (1.00 g/kg) and glibenclamide as the standard drug (0.50 mg/kg) were administered orally using a gavage to stz diabetic rats (65 mg/kg, ip) f ... | 2016 | 26881248 |
| radical scavenging and gastroprotective activity of methanolic extract of gmelina arborea stem bark. | gmelina arborea (ga) is widely used in traditional medicine for treating a number of ailments including gastrointestinal tract disorders. | 2017 | 27449207 |
| inhibition of dimethylbenz(a)anthracene (dmba) - croton oil-induced mouse skin tumorigenesis by gmelina arborea with potential anti-inflammatory activity. | in traditional indian medicine, the plant gmelina arborea linn. (ga) is described to have the ability to relieve edema. the present study evaluates the anticancer property of ga stem bark against 7,12-dimethylbenz(a) anthracene (dmba)-croton oil-induced skin tumorigenesis along with the evaluation of anti-inflammatory activity. the observed inhibition of inflammation in carrageenan-induced (41.8%) and formalin-induced (34.07%) models may be due to inhibition of prostaglandins (pgs). skin papillo ... | 2016 | 27910781 |
| influence of forage harvesting regimes on dynamics of biological dinitrogen fixation of a tropical woody legume. | effects of three forage harvesting regimes-total removal of foliage and branches once (t-12) or twice a year (t-6) and 50% removal every 2 months (p-2)-on growth and biological dinitrogen fixation of gliricidia sepium (jacq.) walp were studied under subhumid tropical conditions in guadeloupe, french antilles. gliricidia sepium was grown in association with the perennial c(4) grass dichantium aristatum (poir) c.e. hubbard in a two-storied fodder production system. the medium-term effects of pruni ... | 2000 | 12651525 |
| an analysis of the ruminal bacterial microbiota in west african dwarf sheep fed grass- and tree-based diets. | to measure the impact of supplementing a forage diet with tree-based browse on the ruminal bacterial communities of nigerian west african dwarf (wad) sheep. | 2014 | 24447831 |
| study of antihyperglycaemic activity of medicinal plant extracts in alloxan induced diabetic rats. | diabetes mellitus, for a long time, has been treated with plant derived medicines in sri lanka. | 2013 | 24991066 |
| the influence of water stress on the photosynthetic performance and stomatal behaviour of tree seedlings subjected to variation in temperature and irradiance. | seedlings of betula pendula roth. and gmelina arborea l. were subjected to variation in temperature and irradiance. the influence of a mild water-stressing treatment on the photosynthetic performance and stomatal behaviour of these plants was assessed. for both species, the shape of the relationships between irradiance and photosynthesis and temperature and photosynthesis resembled those reported for other species. the effect of water stress was to reduce the rate of photosynthesis, particularly ... | 1980 | 28310929 |
| allometric models and aboveground biomass stocks of a west african sudan savannah watershed in benin. | the estimation of forest biomass changes due to land-use change is of significant importance for estimates of the global carbon budget. the accuracy of biomass density maps depends on the availability of reliable allometric models used in combination with data derived from satellites images and forest inventory data. to reduce the uncertainty in estimates of carbon emissions resulting from deforestation and forest degradation, better information on allometric equations and the spatial distributi ... | 2016 | 27594897 |
| physical, mechanical and hydration kinetics of particleboards manufactured with woody biomass (cupressus lusitanica, gmelina arborea, tectona grandis), agricultural resources, and tetra pak packages. | lignocellulosic wastes resulting from agricultural activities as well as tetra pak residues from urban centres can cause significant levels of pollution. a possible action to minimize this problem is to use them in the production of particleboards. the purpose of this study was to evaluate the physical, mechanical, and hydration properties of particleboards manufactured with the mixture of woody biomass (cupressus lusitanica, gmelina arborea, and tectona grandis) and either agricultural wastes [ ... | 2014 | 24519224 |
| restoration of degraded soil in the nanmangalam reserve forest with native tree species: effect of indigenous plant growth-promoting bacteria. | restoration of a highly degraded forest, which had lost its natural capacity for regeneration, was attempted in the nanmangalam reserve forest in eastern ghats of india. in field experiment, 12 native tree species were planted. the restoration included inoculation with a consortium of 5 native plant growth-promoting bacteria (pgpb), with the addition of small amounts of compost and a chemical fertilizer (npk). the experimental fields were maintained for 1080 days. the growth and biomass varied d ... | 2016 | 27195310 |
| germination and initial growth of tree seedlings on deforested and natural forest soil at dulhazara, bangladesh. | the destruction of natural forest is increasing due to urbanization, industrialization, settlement and for the agricultural expansion over last few decades, and studies for their recovery need to be undertaken. with this aim, this comparative study was designed to see the effects of deforested soil on germination and growth performance of five different tree species. in the experiment, five species namely gmelina arborea, swietenia mahagoni, dipterocarpus turbinatus, acacia auriculiformis and sy ... | 2012 | 23342503 |
| botanical pharmacognosy of stem of gmelina asiatica linn. | gmelina asiatica linn (g. parvifolia roxb.) is a large shrub or a small tree. roots and aerial parts are used in ayurvedic medicine and also have ethno-medical uses. root is reported as adulterant to g. arborea roxb roots. pharmacognostical characters of root were reported. owing to the shortage of genuine drug and ever-increasing demands in market, it becomes necessary to search an alternative with equal efficacy without compromising the therapeutic value. nowadays, it becomes a common practice ... | 2012 | 23661867 |
| elevated atmospheric co₂ mitigated photoinhibition in a tropical tree species, gmelina arborea. | effects of elevated co₂ on photosynthetic co₂ assimilation, psii photochemistry and photoinhibition were investigated in the leaves of a fast growing tropical tree species, gmelina arborea (verbenaceae) during summer days of peak growth season under natural light. elevated co₂ had a significant effect on co₂ assimilation rates and maximal efficiency of psii photochemistry. chlorophyll a fluorescence induction kinetics were measured to determine the influence of elevated co₂ on psii efficiency. d ... | 2011 | 21441036 |
| resistance of wood wool cement board to the attack of philippine termites. | the resistance of yemane (gmelina arborea roxb.)-based wood wool cement board (wwcb) against philippine termites was evaluated under laboratory and field conditions. tests were conducted following the fprdi standard procedures in determining the resistance of wwcb against subterranean and drywood termites. results of the laboratory tests showed that wwcb was resistant to both microcerotermes losbañosensis oshima and cryptotermes dudleyi banks. under field conditions, wwcb was highly resistant to ... | 2011 | 26467946 |
| variation in the wood anatomical structure of gmelina arborea (verbenaceae) trees at different ecological conditions in costa rica. | the tree gmelina arborea has been widely introduced in costa rica for commercial purposes. this new conditions for melina cause variations on anatomy in secondary xylem of the trees growing in plantations. the objective of the present research was to determine the variation in the anatomy of xylem caused by the ecological conduction variation. dimensions of fiber, axial parenchyma percentage of cross sections, parameters of vessels and the ray were measured. the results showed that some anatomic ... | 2008 | 19256437 |
| displacement of an herbaceous plant species community by mycorrhizal and non-mycorrhizal gmelina arborea, an exotic tree, grown in a microcosm experiment. | gmelina arborea roxb. (gmelina, yemane) is a fast growing tree, native from india and considered as a potentially invasive woody plant in west africa. mycorrhizal inoculation of seedlings with glomus intraradices was performed to study (1) the effect on the growth of g. arborea, (2) the impact on the catabolic diversity of soil microbial communities and (3) the influence on the structure of herbaceous plant species communities in microcosms. treatments consisted of control plants, pre-planting f ... | 2006 | 16328438 |
| growth, biomass, carbon storage and nutrient distribution in gmelina arborea roxb. stands on red lateritic soils in central india. | growth, biomass, carbon storage and nutrient (n, p and k) variations in 1 to 6-year-old chronosequence plantations of gmelina arborea were studied in three degraded red lateritic sites in central india. growth parameters (dbh, total height and number of branches) varied significantly due to difference in age and site quality, but tree density showed non-significant variation. stand biomass ranged from 3.94 (1-year-old) to 53.67 mgha(-1) (6-year-old) and stand carbon in 6-year-old plantations ran ... | 2003 | 12895553 |
| gmelinosides a-l, twelve acylated iridoid glycosides from gmelina arborea. | besides the known iridoids 6-o-alpha-l-rhamnopyranosylcatalpol (1), 6-o-(3"-o-trans-feruloyl)-alpha-l-rhamnopyranosylcatalpol (14), 6-o-(2"-o-acetyl-3", 4"-o-di-trans-cinnamoyl)-alpha-l-rhamnopyranosylcatalpol (15) and the known phenylpropanoid glycosides verbascoside (acteoside) and martynoside, 12 new acylated iridoid glycosides named gmelinosides a-l (2-13) have been isolated from the leaves of gmelina arborea. these compounds were structurally characterized using a variety of spectral method ... | 1998 | 9644056 |
| growth and mineral nutrition of gmelina arborea roxb. seedlings fertilized with four sources of nitrogen on a latosolic soil. | the growth and mineral nutrition of gmelina arborea roxb. seedlings were investigated in response to four nitrogen-based fertilizers applied at 0, 2.5, 5.0 or 7.5 g n per plant. nitrogen sources included nh(4)-n as ammonium sulfate, no(3)-n as potassium nitrate, nh(4)no(3)-n as calcium ammonium nitrate, and urea-n as urea. seedlings fertilized with nh(4)no(3)-n or urea-n had greater height, collar diameter, dry weight, net assimilation rate, and relative growth rate than seedlings fertilized wit ... | 1993 | 14969919 |
| adventitious roots, leaf abscission and nutrient status of flooded gmelina and tectona seedlings. | when flooded, seedlings of gmelina arborea roxb. produced more adventitious roots, had lower foliar mn concentrations and lost fewer leaves than seedlings of tectona grandis l.f. severing the adventitious roots produced by flooded gmelina seedlings increased leaf mn concentration and leaf abscission and reduced whole-plant dry matter production. flooded gmelina cuttings, which do not produce adventitious roots, abscised few leaves until foliar concentrations of mn and fe had risen substantially ... | 1989 | 14972970 |
| comparison of the responses to flooding of seedlings and cuttings of gmelina. | the effects of flooding on gmelina arborea roxb. seedlings and cuttings of the same parent stock were compared to determine their suitability as transplanting stock. flooding caused reductions in stomatal conductance, xylem pressure potential and dry matter accumulation in both groups of plants. in seedlings, flooding induced formation of hypertrophied lenticels, stem hypertrophy and production of short, thick, adventitious roots in seedlings, whereas in cuttings, only thin roots and numerous sm ... | 1987 | 14975827 |
| the influence of soil drought and partial waterlogging on water relations of gmelina arborea seedlings. | stomatal conductance of unstrossed, soil drought, and previously drought (predrought) gmelina arborea seedlings increased in the morning and decreased before or immediately after midday. in the unstressed and predrought seedlings, leaf water potential decreased with increases in transpiration. in soil drought seedlings, there was some evidence of decreased hydraulic conductivity from soil to the plant, as indicated by the shape in the slope of the water potential/transpiration relationship. root ... | 1985 | 28310824 |