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Screening of Piper Species for Resistance to Quick Wilt caused by Phytophthora capsici under Glasshouse Condition

  • Author:M.Chinnapappa*, A. Ramar, L. Pugalendhi, P. Muthulakshmi and P. Vetrivelkalai

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

    DOI:10.29321/MAJ 2019.000229
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Abstract

                               Screening of Piper species resistant to quick wilt was carried out under glasshouse conditions. Piper colubrinum, Piper argyrophyllum, IISR Sakthi and IISR Thevam were used as rootstocks while Panniyur 1 and Karimunda were used as scion and these grafted plants were screened against Phytophthora capsici. Among the rootstocks, Piper colubrinum showed ‘Highly Resistant’ reaction, followed by Piper argyrophyllum which exihibited ‘Resistant’ reaction. The cultivated Piper nigrum varieties IISR Sakthi and IISR Thevam showed ‘Tolerant’ reaction and the scions Panniyur 1 showed ‘Highly Susceptible’ reaction while Karimunda showed ‘Resistant’ reaction. None of the graft combination screened were susceptible to Phytophthora capsici.  Highest graft success was observed in Piper colubrinum.

Key words : Black pepper, Phytophthora capsici, Screening, Piper colubrinum, Grafting.

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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.

For MAJ related issues :
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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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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    Get In Touch

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

    For MAJ related issues :
    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.