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volume 32 issue 3 (september 2012) : 256 - 258

TOXICITY OF POGOSTEMON PARVIFLORUS (BENTH) AND POLYGONUM HYDROPIPER (L) ON DEVELOPEMETAL STAGES OF RED SPIDER MITE (OLIGONYCHUS COFFEAE, NEITNER) (ACARINA: TETRANYCHIDAE) ON TEA

I
Inee Gogoi
1Department of Entomology, Assam Agricultural University, Johrat-785 013, India

  • Submitted|

  • First Online |

  • doi

Cite article:- Gogoi Inee (2025). TOXICITY OF POGOSTEMON PARVIFLORUS (BENTH) AND POLYGONUM HYDROPIPER (L) ON DEVELOPEMETAL STAGES OF RED SPIDER MITE (OLIGONYCHUS COFFEAE, NEITNER) (ACARINA: TETRANYCHIDAE) ON TEA. Agricultural Science Digest. 32(3): 256 - 258. doi: .

ABSTRACT

A study was conducted during 2009-10 to assess the toxicity of chloroform extracts of Pogostemon parviflorus (Benth.) and Polygonum hydropiper (L) against red spider mite (Oigonychus coffeae, Neitner) under laboratory condition using leaf detached method. Both the plant extracts possesed the acaricidal properties on developmental stages of red spider mite. The treatment with both plant extracts exhibited prolonged developmental period which affected the population build up of the pest in subsequent generation. The efficacy of extracts was found to be dose dependent. However, except in deutonymph the duration was found to be reduced at lower dose with Pogostemon parviflorus extracts then the normal but, the result was not significant. It is also observed that high toxicity to the mite was exhibited by Polygonum hydropiper.

REFERENCES

  1. Das, G. M. 1959. Bionomics of the tea red spider Oligonychus coffeae (Nietner ). Bull. Ento. Res., 50: 265–74.
  2. Dimetry N.Z. Amer,S.A.A and Reda, A.S. ( 1993) Biological activity of two neem seed kernel extracts against the two spotted spider mite Tetranychus urticae Koch .J.Appl.Ent.116:308-312
  3. Gurusubramaniam,G. (2005): In: Manual on Tea Culture for Condensed Course (Eds: Dutta A.K., Ahmed N., Kotoky B. and Buragohain D.) Tocklai Experimental Station.TRA, Jorhat, Assam Printing works, Private Limited. Jorhat, Assam,pp.113-127
  4. Helle W, Sabelis MW (1985). Spider Mites: Their Biology, Natural Enemies and Control. Elsevier Science Publishing Company INC., New York, p. 335.
  5. Islam,M.T., Haque, M.M.Naher,N and Parween, S.(2008): Effect of Plant Materials on Developmental periods of two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae). J. Bio. Sci. 16:121-124.
  6. Prakash, A, Rao, J and Nandagopal, V. (2008). Future of Botanicals Pesticides in rice,wheat pulses and vegetables pest management .J. Biopesticides 1(2): 154-169
  7. Roobakumar,A. Mariappan S. R .Subramaniam, Azariah Babu, and Murleedharan N.(2010) Bioefficacy of certain plant extracts against the red spider mite Oligonychus coffeae.(Neitner) (Acarina: Tetranychidae) infesting tea in Tamil Nadu, India. Intern. J. Acarology 36(3):255-258
  8. Sundaram K M S and Sloane L (1995) Effects of pure and formulated azadirachtin, a neem based biopesticides on the phytophagous spider mite Tetranychus urticae Koch. J. Environ. Sci. Health. B 30(6): 801-814.
  9. Subramaniam, B (1995). Tea in India. P.I.D and Viley Eastern LTD Pp.38-40.
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    volume 32 issue 3 (september 2012) : 256 - 258

    TOXICITY OF POGOSTEMON PARVIFLORUS (BENTH) AND POLYGONUM HYDROPIPER (L) ON DEVELOPEMETAL STAGES OF RED SPIDER MITE (OLIGONYCHUS COFFEAE, NEITNER) (ACARINA: TETRANYCHIDAE) ON TEA

    I
    Inee Gogoi
    1Department of Entomology, Assam Agricultural University, Johrat-785 013, India

    • Submitted|

    • First Online |

    • doi

    Cite article:- Gogoi Inee (2025). TOXICITY OF POGOSTEMON PARVIFLORUS (BENTH) AND POLYGONUM HYDROPIPER (L) ON DEVELOPEMETAL STAGES OF RED SPIDER MITE (OLIGONYCHUS COFFEAE, NEITNER) (ACARINA: TETRANYCHIDAE) ON TEA. Agricultural Science Digest. 32(3): 256 - 258. doi: .

    ABSTRACT

    A study was conducted during 2009-10 to assess the toxicity of chloroform extracts of Pogostemon parviflorus (Benth.) and Polygonum hydropiper (L) against red spider mite (Oigonychus coffeae, Neitner) under laboratory condition using leaf detached method. Both the plant extracts possesed the acaricidal properties on developmental stages of red spider mite. The treatment with both plant extracts exhibited prolonged developmental period which affected the population build up of the pest in subsequent generation. The efficacy of extracts was found to be dose dependent. However, except in deutonymph the duration was found to be reduced at lower dose with Pogostemon parviflorus extracts then the normal but, the result was not significant. It is also observed that high toxicity to the mite was exhibited by Polygonum hydropiper.

    REFERENCES

    1. Das, G. M. 1959. Bionomics of the tea red spider Oligonychus coffeae (Nietner ). Bull. Ento. Res., 50: 265–74.
    2. Dimetry N.Z. Amer,S.A.A and Reda, A.S. ( 1993) Biological activity of two neem seed kernel extracts against the two spotted spider mite Tetranychus urticae Koch .J.Appl.Ent.116:308-312
    3. Gurusubramaniam,G. (2005): In: Manual on Tea Culture for Condensed Course (Eds: Dutta A.K., Ahmed N., Kotoky B. and Buragohain D.) Tocklai Experimental Station.TRA, Jorhat, Assam Printing works, Private Limited. Jorhat, Assam,pp.113-127
    4. Helle W, Sabelis MW (1985). Spider Mites: Their Biology, Natural Enemies and Control. Elsevier Science Publishing Company INC., New York, p. 335.
    5. Islam,M.T., Haque, M.M.Naher,N and Parween, S.(2008): Effect of Plant Materials on Developmental periods of two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae). J. Bio. Sci. 16:121-124.
    6. Prakash, A, Rao, J and Nandagopal, V. (2008). Future of Botanicals Pesticides in rice,wheat pulses and vegetables pest management .J. Biopesticides 1(2): 154-169
    7. Roobakumar,A. Mariappan S. R .Subramaniam, Azariah Babu, and Murleedharan N.(2010) Bioefficacy of certain plant extracts against the red spider mite Oligonychus coffeae.(Neitner) (Acarina: Tetranychidae) infesting tea in Tamil Nadu, India. Intern. J. Acarology 36(3):255-258
    8. Sundaram K M S and Sloane L (1995) Effects of pure and formulated azadirachtin, a neem based biopesticides on the phytophagous spider mite Tetranychus urticae Koch. J. Environ. Sci. Health. B 30(6): 801-814.
    9. Subramaniam, B (1995). Tea in India. P.I.D and Viley Eastern LTD Pp.38-40.
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