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Impact of drought-tolerant rice apoplastic fluid endophyte (Sphingobium yanoikuyae MH394206) on the morphological and physiological characteristics of rice (CO51) grown in moisture deficit condition

  • Author:Rajavigneshwaran Arunthavasu1, Kalaiselvi Thangavel1*and Sivakumar Uthandi 2

    p-ISSN:0024-9602, Vol:106, Issue: Special Issue

    DOI:10.29321/MAJ 2019.000249
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Abstract

                               A pot culture study was conducted to evaluate the effect of rice apoplastic fluid ACCD (aminocyclopropane-1 carboxylate deaminase)containing endophyte, Sphingobium yanoikuyae MH394206 on moisture stress alleviating potential in rice (CO51). Impact of this organism was compared with plant growth promoting bacterial inoculants such as Methylorubrum sp, (pink pigmented facultative methylotroph-PPFM) and Bacillus altitudinis FD48. The effect was assessed in terms of changes in growth and morpho-physiological characteristics of rice grown in 75% moisture stress. Seed application of these bacterial cultures enhanced plant growth and stress-related parameters like total phenolic content, proline accumulation and activity of antioxidant enzymes such as peroxidase (PO), catalase (CAT) and polyphenol oxidase (PPO) compared to uninoculated moisture stressed control. The effect was more significant (P>0.05%) due to Sphingobium yanoikuyae MH394206. Further studies are needed to find out the mechanism of plant growth promotion under stress by Sphingobium yanoikuyae MH394206.

Key words : Moisture stress, Sphingobium yanoikuyae, relative water content, antioxidant enzymes

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Tamil Nadu, India.

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performed better than 0.50 degree in all microphysics schemes considered for the study. Among the three microphysics options, the Kessler scheme had higher rainfall forecast accuracy than WSM 3 class scheme and WSM 6 class scheme. Root mean square error was also low in Kessler scheme compared to other two schemes. Kessler scheme produced highly usable forecast than WSM 3 and 6 class schemes. Hence, it is concluded that the Kessler scheme with 0.25o input data resolution produced higher rainfall forecast accuracy for Tamil Nadu region

Key words : :Weatherforecast, WRF, Microphysics,Accuracy, Verification

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Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.

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Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.

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Office: 0422-2436781 , 0422-2966781
Mobile: +91 8300947681

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MADRAS AGRICULTURAL JOURNAL

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Biosorption of Chromium (III) from Aqueous Solution by Water Hyacinth Biomass

  • Author:R.P. Premalatha1*, E. Parameswari2, V.Davamani2, P. Malarvizhi1 and S. Avudainayagam2

    p-ISSN:0024-9602, Vol:106, Issue:1 - 3

    DOI:10.29321/MAJ.2019.000215
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Abstract

                                Release of heavy metals into the environment is a matter of global concern for the past few years and it should be removed from industrial waste waters before discharge for maintaining water quality standards. This study involved the use of water hyacinth biomass as biosorbent for removal of Cr(III) from aqueous solution. The biosorbent was characterized by FTIR, SEM with EDAX. Batch experiments were conducted to determine the sorption isotherms, effect of solution pH, adsorbate concentration, contact time, biosorbent dosage and size. The results confirmed that water hyacinth biomass can remove Cr(III) from aqueous solution. The maximum sorption occurs at pH =5.0, biosorbent size= 0.2mm, biosorbent dosage=2.0g 100ml-1 of adsorbate, adsorbate / solute concentration= 100 mg L-1 Cr(III) at 25ºC at 250 rpm after 24 hrs. The rate of adsorption was rapid and equilibrium attained at 24hrs. Langmuir, Freundlich and Temkin isotherm models were used to analyze the equilibrium adsorption data. Langmuir isotherm fitted the data well with R2 value of 0.999. Overall, the powdered water hyacinth biomass could be utilized as effective low cost adsorbent for the removal of Cr(III) from waste water.

Key words : Adsorption, Cr Removal, Release kinetics, Water hyacinth

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Tamil Nadu Agricultural University
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Tamil Nadu, India.

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Generating Banana area map using VV and VH PolarizedRadar Satellite Image

 A. Karthikkumar*,S.Pazhanivelan, R. Jagadeeswaran, K.P.RagunathR.Kumaraperumal and Balajikannan    DOI:10.29321/MAJ.2019.000274
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  • Analysis of Seasonal Vegetation Dynamics Using MODIS Derived NDVIand NDWI Data: A Case Study of Tamil Nadu

     P.J. Prajesh* , Balaji Kannan, S. Pazhanivelan, R. Kumaraperumal and K.P. Ragunath    DOI:10.29321/MAJ.2019.000275
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  • Residual Effect of Organic Manures on Growth and Yield of Black Gram in Rice Blackgram Sequence

     M. Thiagarajan* and E. Somasundaram    DOI:10.29321/MAJ.2019.000276
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  • Characterization of Biochar derived from wood biomass of Prosopis juliflora

     Karthikeyan.G1, Karthikeyan.S2, Suganya.K1 and Kamaludeen Sara PB1*    DOI:10.29321/MAJ.2019.000277
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  • Sorption and desorption of mixed contaminants of BαP, Cr and Ni in clay loam and sandy loam soils

     Veeramani Kathavarayan1, Avudainayagam, S2.,Kamaludeen, S.P.B2., Karthikeyan, S3., Chandra Sekaran, C4 and Ramesh, P. T5    DOI:10.29321/MAJ.2019.000278
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  • Effect of Different Seed Treatment on Grain Yield of Maize (Zea mays l.) Under Drought Stress Conditions

     P. Kunjammal1* and J.Sukumar2    DOI:10.29321/MAJ.2019.000279
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  • Isolation and Characterization of Nodule Endophytes from Bunching and Semi-spreading Groundnut Genotypes

     Preyanga Raja 1 and Anandham Rangasamy*     DOI:10.29321/MAJ.2019.000280
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  • Screening for sorghum shoot fly (Atherigonna soccata Rond.) resistance QTL’s in F2:3 generation of the cross K8 x IS 18551 in sorghum

     Gowri Shankari, A.P1, Kumaravadivel, N2, Varanavasiappan, S1 and Kavithamani, D3    DOI:10.29321/MAJ.2019.000281
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  • Wax Moth Infestation and its Management in Indian Honey bee, Apis cerana F. Colonies in Tamil Nadu

     Mathialagan, M1, Johnson Thangaraj Edward, Y.S.2 and David, P.M.M3    DOI:10.29321/MAJ.2019.000282
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  • Exploration of bacterial endophytes in cucumber (Cucumis sativus L.)

     Priyanka, S1, Krishnamoorthy, A, S1, Latha, P1. and Kalaiselvi, T2    DOI:10.29321/MAJ.2019.000283
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  • Effect of Micronutrients and Plant Growth Regulators on Growth, Flowering and Yield Attributes of Marigold (Tagetes erecta L.)

     Ajit Pawar, D.Saraladevi, M. Kannan and A. SabirAhamed    DOI:10.29321/MAJ.2019.000284
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  • Performance Evaluation of Projected Seed Cell Vertical Rotor Device for Pelleted Rice

     G.Kalaivani1 and D.Manohar Jesudas2*    DOI:10.29321/MAJ.2019.000285
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  • A Relationship Study on Characteristics of Tech-Savvy Rural Youth towards their Knowledge Expansion in Kanyakumari District of Tamil Nadu

    M. R. Naveen Kumar1 and H. Philip 2*    DOI:10.29321/MAJ.2019.000286
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    Tamil Nadu Agricultural University
    Coimbatore - 641 003
    Tamil Nadu, India.

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    Madras Agricultural Students Union
    Tamil Nadu Agricultural University
    Coimbatore - 641 003
    Tamil Nadu, India.

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    Get In Touch

    For MASU related issues :
    SECRETARY
    Madras Agricultural Students Union
    Tamil Nadu Agricultural University
    Coimbatore - 641 003
    Tamil Nadu, India.

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    CHIEF EDITOR
    Madras Agricultural Students Union
    Tamil Nadu Agricultural University
    Coimbatore - 641 003
    Tamil Nadu, India.

    Contact Us

    Office: 0422-2436781 , 0422-2966781
    Mobile: +91 8300947681

    Email: masutnau@gmail.com
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    Copyright @ 2019 Madras Agricultural Journal | Developed by Crystalpro All right reserved.