quantifying phytohormones concentration for plant treatments

  • Evaluation of the effect of EDTA and plant growth

    Lead has been released in excess into the environment since the industrial revolution Recently scientists and engineers have realized that chemical compounds such as ethylenediaminetetraacetic acid EDTA facilitate metal uptake and translocation in certain plants The aim of this research was to examine whether alfalfa Medicago sativa L a non lead hyperaccumulator plant species could

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  • Phytohormone signaling pathway analysis method for

    2012 7 31 Background Plant hormones are involved in many aspects of plant development and responses to biotic and abiotic stresses The three major phytohormones responsible for mediating defense responses to pests and pathogens are jasmonic acid JA ethylene ET and salicylic acid SA 1–3 Recently the participation of other hormones in defense signaling has become evident

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  • PHYTOREMEDIATION STUDY FOR THE SANTA SUSANA

    2015 9 16 the first 85 days of plant growth EFH soil concentrations at 211 days appeared to increase by a factor of five for all treatments but this is likely an anomaly because these samples were analyzed by a different laboratory with different methods of quantifying EFH The EFH analysis used for this study may have inadvertently included natural

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  • Quantifying the impact of pesticides on learning and

    2018 7 10 Quantifying the impact of pesticides on learning and memory in bees Harry Siviter the need for long term postlicensing environmental safety monitoring as a requirement within licensing policy for plant protection products across a range of dosage regimes and pesticide treatments Importantly our results confirm that pesticide

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  • Regulation of Branching by Phytochrome and

    The results revealed that the duration of low R FR determines plant architecture and the branching phenotype and that bud outgrowth is regulated by the R FR in a spatial and temporal manner Low R FR promoted the elongation of branches at top rosette nodes while it suppressed the outgrowth of axillary buds at lower nodes

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  • Plant hormone induced enrichment of Chlorella sp

    2020 1 17 Effect of plant hormones on Chlorella sp biomass production Different plant hormones such as zeatin IAA gibberellic acid and abscisic acid were used to examine their effects on the biomass content of Chlorella sp Fig 1a All the hormones concentrations tested except at 2 mg/L increased the biomass content

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  • Rapid in vivo analysis of synthetic promoters for plant

    2011 11 17 Plant Mol Biol 1994 25 989 994 10 1007/BF CAS Article Google Scholar 36 Millwood J Halfhill D Harkins D Rusotti R Stewart CN Instrumentation and methodology for quantifying GFP fluorescence in intact plant organs BioTechniques 2003 34 638 643 CAS Google Scholar

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  • than control and at lower concentration but the effect of

    The effect of treatments on the number of leaflets in 200nmol concentration used as a seed priming agent was 13 11±0 50 in Desi chickpea while this value was noted 12 61±0 50 for Kabuli chickpea From the above results it can be seen that the effect of seed priming by Jasmonic acid has enhanced the crop productivity by managing the overall

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  • EIP AGRI Focus Group

    2019 11 6 Treatments to delay bloom or budburstTreatments to help the plant cope with frost Delay of bloom or budburst is an indirect and preventive method which must be realized before the risk of frost can be estimated Depending on the timing of the delay and the moment of spring frost the delay can be

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  • A Rapid Method for Estimation of Abscisic Acid and

    INTRODUCTION Rice a monocot plant and a cereal crop which supplies food for more than half of the world s population is highly sensitive to salt and drought Wang et al 2008 According to FAO forecast during 2010 global paddy production has been lowered by 60 million tones mainly on account of drought one of the most important abiotic stress factors which limit the growth and

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  • Comparative analysis of phytohormones and oxidative

    2012 4 1 Free Online Library Comparative analysis of phytohormones and oxidative damage in flag leaves of six contrasting wheat genotypes in response to drought stress Original Article Report by Advances in Environmental Biology Environmental issues Abscisic acid Antioxidants Antioxidants Nutrients Aquatic resources Droughts Electrolytes Endocrine disruptors Genetic aspects

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  • Effects of Lead on Plant Growth Lead Accumulation and

    2012 2 3 Phytoremediation is the use of living plants for the removal of contaminants from soil water sediments and air Soil contamination by heavy metals HMs is an important environmental concern The success of phytoextraction a subset of phytoremediation as an environment clean up technology depends on several factors including the extent of soil contamination and the bioavailability of the

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  • Algal application as a biological control method of root

    2019 4 2 Algal effects on horticultural characteristics Effect of algal treatments on vegetative growth and flowering Data presented in Tables 1 and 2 showed that the plant and internode length number of branches and leaves per plant plant fresh and dry weight stem diameter and leaf area of cucumber plants had significant increases than the characteristics of the control in both seasons

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  • Quantifying antiviral activity optimizes drug combinations

    2017 2 21 Introduction of new anti hepatitis C virus HCV agents so called direct acting antivirals DAAs has greatly changed treatment for HCV and a variety of choices for anti HCV drug combinations are available For better management and control of this worldwide infectious disease with anti HCV agents it is critical to develop a method for precisely profiling the antiviral efficacy of possible

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  • Characterization of the Complex Regulation of AtALMT1

    after short term 6 h treatments with phytohormones Plant Physiol Vol 162 2013 AtALMTl Expression during Stress Responses and chemical inducers i e salicylic acid SA and methyl jasmonate MeJA Other than benzylaminopurine BAP all phytohormones and chemical inducers resul ted in GUS activity visualized as blue staining in the

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  • Quantifying antiviral activity optimizes drug combinations

    2017 2 21 Introduction of new anti hepatitis C virus HCV agents so called direct acting antivirals DAAs has greatly changed treatment for HCV and a variety of choices for anti HCV drug combinations are available For better management and control of this worldwide infectious disease with anti HCV agents it is critical to develop a method for precisely profiling the antiviral efficacy of possible

    Get Price
  • Plant growth regulators alter phytochemical constituents

    2016 5 28 Sweet potato Ipomoea batatas L is one of the most important consumed crops in many parts of the world because of its economic importance and content of health promoting phytochemicals With the sweet potato Ipomoea batatas L as our model we investigated the exogenous effects of three plant growth regulators methyl jasmonate MeJA salicylic acid SA and abscisic acid ABA on

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  • Algal application as a biological control method of root

    2019 4 2 Algal effects on horticultural characteristics Effect of algal treatments on vegetative growth and flowering Data presented in Tables 1 and 2 showed that the plant and internode length number of branches and leaves per plant plant fresh and dry weight stem diameter and leaf area of cucumber plants had significant increases than the characteristics of the control in both seasons

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  • Quantifying the effects of hydroponic systems nutrient

    2020 10 13 Nutrient concentrations of hydroponic nutrient solutions with electrical conductivities ECs ranging from 0 5 to 4 0 dS m −1 for basil grown in hydroponic systems under low 7 mol m −2 d −1 or high 15 mol m −2 d −1

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  • Screening and optimization of indole 3 acetic acid

    2020 6 18 Indole 3 Acetic Acid IAA is one of the most important and physiologically active phytohormones 1 2 is a secondary metabolite of L tryptophan that acts as a regulator of many biological processes for plant development while acting on organogenesis trophic responses and cellular responses such as cell expansion division differentiation and regulation of genes 3 4

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  • A Multiplex qPCR Assay for Detection and Quantification

    2015 5 22 As a result extracting and quantifying resting spores by microscopy is time consuming and the results can be highly variable Detection of P brassicae in plant tissues by polymerase chain reaction PCR or quantitative q PCR assays is a standard practice that has been extended to quantification of resting spores in soil 10 21 28 However

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  • High throughput quantification of more

    2016 5 26 Plant metabolites are commonly functionally classified as defense or growth related phytohormones primary and specialized metabolites and so forth Analytical procedures for the quantifications of these metabolites are challenging because the metabolites can vary over several orders of magnitude in concentrations in the same tissues and have very different chemical characteristics

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  • A Rapid Method for Estimation of Abscisic Acid and

    INTRODUCTION Rice a monocot plant and a cereal crop which supplies food for more than half of the world s population is highly sensitive to salt and drought Wang et al 2008 According to FAO forecast during 2010 global paddy production has been lowered by 60 million tones mainly on account of drought one of the most important abiotic stress factors which limit the growth and

    Get Price
  • Rapid in vivo analysis of synthetic promoters for plant

    2011 11 17 Plant Mol Biol 1994 25 989 994 10 1007/BF CAS Article Google Scholar 36 Millwood J Halfhill D Harkins D Rusotti R Stewart CN Instrumentation and methodology for quantifying GFP fluorescence in intact plant organs BioTechniques 2003 34 638 643 CAS Google Scholar

    Get Price
  • Phytohormone Priming Regulator for Heavy Metal Stress

    2018 11 27 Phytohormones are the most important endogenous molecules for modifying physiological and molecular reactions and are critically required by the plant for its survival under HM stress Fahad et al 2015 Phytohormones in very low concentrations regulate cell membrane permeability enzyme activity and secondary metabolites growth and reproduction Wani et al 2016

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  • Regulation of Branching by Phytochrome and

    The results revealed that the duration of low R FR determines plant architecture and the branching phenotype and that bud outgrowth is regulated by the R FR in a spatial and temporal manner Low R FR promoted the elongation of branches at top rosette nodes while it suppressed the outgrowth of axillary buds at lower nodes

    Get Price
  • PLANT GROWTH REGULATORS

    2013 3 30 PLANT GROWTH REGULATORS Plant growth regulators or phytohormones are organic substances produced naturally in higher plants controlling growth or other physiological functions at a site remote from its place of production and active in minute

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  • In vitro plant regeneration system for date palm Phoenix

    2021 6 1 Plant materials and treatments The apical buds were sectioned longitudinally into four sections In order to induce callus formation explants were transferred to MS basal medium supplemented with 3 mg L −1 6 dimethylallyl amino purine 2iP 30 mg L −1 naphthalene acetic acid NAA 1 5 g L −1 activated charcoal and solidified with Agar Agar at 7 0 g L −1

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  • EFFECT OF DIFFERENT NITROGEN SOURCES AND PLANT

    2006 5 11 The plants were treated with different phytohormones viz activity in all the treatments whereas KNO 3 was effective only in light in dH 2O GA and ABA treatments In dark NH 4NO 3 promoted the glutamate synthase activity in dH 2O while the activity was more with NH 4Cl in KN treated seedlings GA had no effect while low concentration of

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  • Pollinators and plant nurseries how irrigation and

    2021 7 28 To assess how treatments impacted volume sugar concentration and imidacloprid concentration of phacelia nectar we constructed linear mixed models LMMs using function lmer lme4 We included as fixed effects irrigation level and imidacloprid treatment and their interaction and number of days elapsed since imidacloprid application

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  • Plant Hormonomics Multiple Phytohormone Profiling by

    Phytohormones are physiologically important small molecules that play essential roles in intricate signaling networks that regulate diverse processes in plants We present a method for the simultaneous targeted profiling of 101 phytohormone related analytes from minute amounts of fresh plant

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  • Quantifying variation among garden plants in

    2013 10 17 As the plant hormones associated with seed and fruit development may inhibit flowering e g gibberellins in woody angiosperms Pharis King 1985 Anthony 2006 Davies 2010 sterility is an obvious way in which a garden plant can be simultaneously made more attractive to humans and flower visiting insects Sterility may also reduce the risk

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  • Effect of exogenous salicylic acid or indole acetic acid

    2020 9 23 Exogenous hormone applications modify the plant growth and development by inducing changes in their endogenous contents However it is not clear whether the effects of exogenous hormones on growth are direct or related with changes induced in endogenous hormones Laboratory and greenhouse experiments were conducted to study the effect of exogenous salicylic acid SA or

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  • How hormones and growth regulators affect your plants

    2021 10 29 Plants often increase ethylene production in response to stress and ethylene often is found in high concentrations within cells at the end of a plant s life The increased ethylene in leaf tissue in the fall is part of the reason leaves fall off trees Ethylene also

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  • A simple assay for quantification of plant associative

    2021 4 1 concentration was adjusted to 10 3 98 s e m 0 83 nmol C 2 H 4 h 104 1 plant 1 and even 21 0 89 s e m 1 98 nmol C 2 H 4 h 105 1 plant 1 although the latter rate was the 106 product of a single biological replicate out of five Fig 2C 107 We next tested the effect of titrating the starting inoculant density between OD 600nm 0 001

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  • Jasmonates trigger prey induced formation of outer

    2013 5 22 Drosera capensis L plants were grown in the greenhouse at 22–24 C day and 20–22 C night 60–70 per cent humidity and light from 6 00 to 22 00 Plants were kept wet the entire time with collected rain water All treatments were performed with the intact leaves of the plants for the time indicated in the particular experiments

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  • Red light imaging for programmed cell death visualization

    2021 1 26 Quantifying the intensity of the red light signal enables the magnitude of programmed cell death to be evaluated and provides a readout of the plant immune response in a faster safer and nondestructive manner when compared to previously developed chemical staining methodologies

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  • A Rapid Method for Quantifying RNA and Phytohormones

    2020 11 19 Phytohormones are involved in most plant physiological processes and the quantification of endogenous phytohormone levels and related gene expressions is an important approach to studying phytohormone functions However the quantification of phytohormones is still challenging due to their extremely low endogenous level in plant tissues and their high chemical diversity

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  • Relationship between cold plasma treatment induced

    2020 2 26 Phytohormones were extracted from the obtained powders by incubation in 5 ml of 85 methanol for 24 h at 4 C The homogenate was centrifuged at 13500 g for 10 min the supernatant was collected and kept at −80 C until HPLC analysis Plant hormones were separated and quantified using high performance liquid chromatography HPLC

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  • Effect of exogenous phytohormones treatment on

    regulatory effects of phytohormones on G uralensis only focus in the aspect of plant growth and in depth research in the aspect of the secondary metabolism is lacking A large number of studies have suggested that phytohormones serve a crucial function in altering plant growth and secondary metabolism Gibberellin GA is a widespread and

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