pseudomonas sp as producer of plant growth regulators
Báo cáo " Cell suspension culture Panax ginseng C. A. Meyer: Role of plant growth regulators and medium composition on biomass and ginsenoside production " docx
... using SAS program (Version 6.12, SAS Institute Inc., Cary, USA) Results and discussion To understand the culture characteristics of the suspended cells of ginseng in shake flask, the effect of plant ... plant growth regulators (2,4-D or IBA or NAA combination with BA or kinetin) on cell growth, ginsenoside production by cultured cells were focused on The maximum biomass yield of cell suspension ... shows the effects of different strength of MS medium on biomass and ginsenoside production Half and full strength MS medium were found to be equally suitable for both biomass as well as ginsenoside...
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Báo cáo lâm nghiệp: "Internal levels of plant growth regulators during in vitro culture of wild cherry (Prunus avium L.)" doc
... and, after wk of culture, 80% of the explants had at least root When IBA was omitted from this culture medium (Fig D), 3% of the explants were rooted at the 3rd wk one Hormonal measurements hormonal ... middle part of the explants started to grow on d and, after wk of culture, the multiplication rate was When IBA was omitted from this culture medium (Fig B and C), no multiplication was observable; ... the apico-basal distribution of this hormone in the explants was, nevertheless, significant Results are presented in nmol DW; to approxi1 g’ mately convert them into nmol!explant-!, measurements...
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role of plant growth-promoting rhizobacteria in integrated disease management and productivity of tomato
... respectively Normality was assumed 177 Table 4.13 Analysis of variance of the effect of nitrogen concentration supplied on biomass of 49 day-old tomato plants Area under the curve of plant ... respectively Normality was assumed 176 Table 4.12 Analysis of variance of the effect of acibenzolar-S-methyl on biomass of 49 day-old tomato plants Area under the curve of plant height, stem ... respectively Normality was assumed 178 Table 4.14 Analysis of variance of the effect of the interaction of nitrogen concentration and acibenzolar-S-methyl on biomass of 49 day-old tomato plants...
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Effect of cd and as in soil on growth availability to plant
... kg-1 of As treated soils, respectively However, there was no significant reduction of chinese cabbage yield under 30 mg kg-1 of As treated soils As at 30 mg kg-1 soils was associated with 20% of ... soils, respectively Kabata-Pendias and Pendias (1984) reported that there was a linear relationship between As content of vegetation and soluble As concentration in soils and plants take up As passively ... As the concentrations of Cd and As in soils were increased, the contents of Cd and As in agricultural products were significantly increased, basically The contents of Cd in the edible parts of...
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evaluate potential use of gut weed (enteromorpha sp.) as a food source for tilapia (oreochromis niloticus): affect on survival and growth
... of Vietnam, there were 11 species and sub-species of gut weed 2.1.2 Morphology of Enteromorpha sp Species within the genus Enteromorpha are very difficult to identify as differences between species ... fiber and ash) of the ingredients and experimental diets was carried out according to the standard methods of Association of Official Analytical Chemists (1995) Nitrogen-free extract (NFE) was estimated ... weight of Tilapia was 0.33±0.06 g/fish After 42 days of feeding trial, final weight of experimental fish ranged from 3.37 to 4.22 g The growth parameters such as weight gain, specific growth...
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Báo cáo "The effect of Cu concentration in soil and phosphorous fertilizer on plant growth and Cu uptake by Brassia juncea L. grown on contaminated soils " doc
... rates of Cu application, especially at the high rate of Cu above 100 ppm It can be said that the increase of rate of Cu uptake and accumulation in plants is much faster than the decrease of rate of ... biomass decrease by 53% at the application rate of 200 ppm Cu (Trt.4) compared to the control sample (Trt.1) It is clear that there is a reduction of plant growth (plant height and biomass of Brassica ... decrease of rate of plant growth For example, the contents of Cu in plant increase by 208% when the rate of Cu application increases to 200 ppm Meanwhile, the rate of biomass decreases only by 53%...
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Investigation of au and in as solvents for the growth of silicon nanowires on si(1 1 1)
... tension of pure indium as an approximation which is 0.6 J/m2 at its melting point (157 1C) [13] As the surface tension of most liquids decreases in a nearly linear fashion with increasing temperature ... other works on the growth of silicon nanowires from indium by means of PVD were found In our case, the growth of nanowires from indium seems to be rather insensitive to change of parameters like ... at our growth temperatures As we not know the exact composition of the surface after inserting the sample into our growth chamber, we take data of similar surfaces from the literature as an approximation...
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Plant physiology - Chapter 20 Gibberellins: Regulators of Plant Height doc
... elongation growth of plants is regulated by gibberellins, as we will describe later Because applications of gibberellins could increase the height of dwarf plants, it was natural to ask whether plants ... the level of GA1, as well as changes in the responsiveness of the plant to GA1 In peas, for example, the level of GA1 initially falls within hours of exposure to light because of an increase in ... Transcription of Cell Cycle Kinases in Intercalary Meristems As noted earlier, the growth rate of the internodes of deepwater rice dramatically increases in response to submergence, and part of this response...
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Báo cáo Y học: A polymer with a backbone of 3-deoxy-D-glycero -D-galacto -non-2ulopyranosonic acid, a teichuronic acid, and a b-glucosylated ribitol teichoic acid in the cell wall of plant pathogenic Streptomyces sp. VKM Ac-2124 pdf
... ratio) was produced under the action of phosphomonoesterase Low content of teichoic acid-linked phosphorus (0.8%) in the cell wall as well as high percentage of glucose and the presence of an unidentified ... was absent from phosphates produced upon alkaline hydrolysis Ribitol mono- and bisphosphates were subjected to the action of phosphomonoesterase; these were identified based on the ribitol/phosphate ... [18,22,23] Spore mass of VKM Ac-2124 was usually grey or yellowish grey on glycerol-asparagine agar [6], the spores were smooth, and borne in mature fexuous chains Substrate mycelium was yellow...
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Báo cáo vật lý: "Selective Oxygenation and Plant-Growth Regulatory Activity of Sesquiterpene Lactones" pot
... UHP emerges as one of the best sources of oxygen atoms for a variety of organic oxygenation reactions The compounds were monitored for their biological potential as plant growth regulators (PGRs) ... occurring isozaluzanin-C The IR spectrum of compound showed a band at 1780 cm–1 due to the presence of γ-lactone as well as bands at 3090, 1640, and 890 cm–1 corresponding to exomethylenic double ... structure of compound Figure 6: Chemical structure of compound (isotelekin) Figure 7: Chemical structure of compound Oxygenation and Plant- Growth Regulatory Activity 104 With the drawbacks of TBHP...
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Báo cáo lâm nghiệp: "Seasonal changes of plant hydraulics, water relations and growth of Aesculus hippocastanum seedlings infested by the leafminer Cameraria ohridella" ppt
... chamber allowed to measure leaf gas exchange of control leaves as well as of mined and green areas even in heavily infested leaves Leaf water potential was measured of at least two leaves per group ... portions of infested leaves showed decreased gL values This effect was not observed in the case of adult plants [13] where gL of green portions of infested leaves was unchanged with respect to ... resistance (Rplant) was finally calculated from: Rplant = Rroot + Rshoot Impact of Cameraria ohridella on horse chestnut 101 Figure Seasonal changes of percentage of leaf mined surface area as measured...
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Báo cáo khoa học: "Ectomycorrhization of Acacia holosericea A. Cunn. ex G. Don by Pisolithus spp. in Senegal: Effect on plant growth and on the root-knot nematode Meloidogyne javanica Robin Duponnois" potx
... damage associated with the different inoculum densities was observed, the plants were uprooted The oven dried (1 week at 65 °C) weight of the shoot was measured After drying, plant tissues were ashed ... physicochemical characteristics of the soil were as Most of the fruiting bodies were found in the E camaldulensis plantations whereas one was associated with A mangium, one with Casuarina equisetifolia ... shoot growth regardless of ectomycorrhizal fungus treatment (table I) Root growth of the seedlings without Pisolithus was not affected by the nematode (table I) In contrast, root biomass of the...
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Báo cáo khoa học: "Study of endogenous plant growth Douglas fir I. Cytokinin analysis" ppsx
... application of this possibility was illustrated by the study of Imbault et al (1988), which showed the intervention of IP and IPA in Douglas fir flowering occur References Bataille A., Dournas P., ... chromatography-radioimmunoassay for cytokinins J Chromatogr 214, 101-109 Weiler E.W (1984) Immunoassay of plant growth regulators Annu Rev Plant Physiol 35, 85-95 ... Conclusion To the evolution of cytokinins in fir tissues, immunological methods can be used Because of their sensitivity, they need only low quantities of study Douglas plant material However, the...
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Báo cáo khoa học: "Study of endogenous plant growth Douglas fir II. Gibberellin analysis" pptx
... immunoassay of gibberellins I Radioimmunoassay for the gibberellins A1, A3, A4, A7, A9 and A20 Planta 159, 1-6 Atzorn R & Weiler E.W (1983b) The immunoassay of gibberellins II Quantitation of GA3, ... range of the assay is between about 50 fmol and 50 pmol of GA3 methyl-ester per well The anti-GA3 antibodies cross-react with GA1, GAS, GA7, GA8 and GA13 Plant sample analyses Elution of available ... GAS, GA8, GA9, GA20) from a reverse phase HPLC system is shown in Fig Under our conditions, we were able to separate several GAs in a timed program of 50 ELISA of individual fractions from plant...
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báo cáo khoa học: " Identification and characterization of plant Haspin kinase as a histone H3 threonine kinase" ppsx
... sequence of AtHaspin cDNA showed 38% similarity with human Haspin in the kinase domain Recently, the crystal structure of the kinase domain of human Haspin was solved [28,29] Although AtHaspin showed ... binding, has no kinase activity [13] To examine whether purified GST-AtHaspin has kinase activity, an in vitro kinase assay was performed using purified GST-AtHaspin and GST-AtHaspin KD (kinase dead) ... (http://psort.nibb.ac.jp/form.html) Gray box indicates kinase domain (C) Multiple alignment of kinase domain of AtHaspin, human Haspin, and fission yeast Haspin Missing residues are shown as dashes, identical amino acids...
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Báo cáo khoa học: " A geminiviral amplicon (VA) derived from Tomato leaf curl virus (ToLCV) can replicate in a wide variety of plant species and also acts as a VIGS vector" pps
... region as the replicon of the ToLCV DNA A similar region was also found to act as a replicon of the DNA-A component of the geminivirus, MYMIV [3] Till date the genome sequencing of various plant species ... view of the degradation of DNA by the nucleases present in the host plant system It is logical to assume that the high level of accumulation of VA resulted due to the RCR mode of replication as ... level of GFP-siRNA (Fig 4B, lane 1), further substantiating that the production of siRNAs was specific for the episome Thus the in planta synthesis of viral siRNA did not require the presence of...
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Báo cáo y học: "Global transcriptome analysis reveals circadian regulation of key pathways in plant growth and development" potx
... provided by a properly phased clock [2] These findings suggest the clock plays fundamental roles in nearly all aspects of plant growth and development, as well as in plant environment interactions ... giving us insight into new aspects of plants physiology influenced by the clock Of special interest is the extensive circadian regulation of all of the hormone and many of the environmental stress ... regulation of these biosynthetic genes probably has consequences for multiple aspects of plant physiology Many genes that encode enzymes acting downstream of the MEP pathway in the biosynthesis of complex...
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Suitability of insulin like growth factor 1 (IGF1) as a measure of relative growth rates in lingcod
... index of body growth for lingcod Ophiodon elongatus using plasma insulin-like growth factor (IGF1) with the ultimate goal of measuring spatial differences in relative growth rates Insulin-like growth ... the potential importance of body growth to population dynamics and the success of spatial management strategies, measurements of growth are rare, especially in exploited species For most teleost ... 10, 2007 as Growth = [loge (W2 − W1 ) × D] × 100, where W was the weight of each fish on July 10, W was the weight of each fish on June 11, and D was the number of days between sampling Spatial...
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Solid state dewetting of magnetic binary alloy thin films and application as nanowire and nanotube growth catalysts
... potential as a function of film thickness Line (1) denotes the stable case, line (2) the unstable case and line (3) the metastable case.21 In contrast to polymer which dewets only above its glass transition ... lack of precision in location Bottom-up synthesis for nanoparticle arrays is usually categorized into gas (vapor) phase fabrication and liquid phase fabrication Gas phase fabrication, such as pyrolysis ... the spinodal decomposition process and thus, surface-instability-dominated dewetting is often termed as spinodal dewetting.24 Spinodal dewetting has only been observed in very thin films of liquids...
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Identification of plant as a novel and alternative host model for burkholderia pseudomallei
... responsible for 20% of all community acquired septicaemias and 40% of sepsis related mortality in northeast Thailand (White, 2003) It is classified as a risk group agent as well as a potential bioterrorism ... their hosts There are plant pathogenic species 47 such as B plantarii and B glumae that cause seedling blight of rice and rice grains rot respectively whereas there are other species that are non-pathogenic ... layer of soil to the surface and thus increasing the risk of contact Strong winds associated with monsoon rainfall can also cause the aerosolization of the bacterium leading to increased chance of...
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