Biological Control of Green Shield Scale, Pulvinaria psidii Maskell, on Red Ginger in India

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Authors

  • Division of Entomology and Nematology, Indian Institute of Horticultural Research, Bangalore 560089, Karnataka ,IN
  • Division of Entomology and Nematology, Indian Institute of Horticultural Research, Bangalore 560089, Karnataka ,IN
  • Division of Entomology and Nematology, Indian Institute of Horticultural Research, Bangalore 560089, Karnataka ,IN

DOI:

https://doi.org/10.18311/jbc/2009/3624

Keywords:

Aphis nerii, Pulvinaria psidii, Cryptolaemus montrouzieri, Ferrisia virgata, Planococcus citri, Red Ginger.

Abstract

The green shield scale, Pulvinaria psidii Maskell, was found at high levels on red ginger (Alpinia purpurata K. Schum.) at IIHR Farm, Bangalore in June 2006. Following the release of the Australian ladybird beetle, Cryptolaemus montrouzieri Mulsant @10 / plant, the scale population declined from 174.60 scales / shoot on 15 June to 1.40 / shoot on 1 September in 2006. The population of C. montrouzieri ranged from 3.40 to 10.34 per shoot during the study period. Since no other natural enemies were recorded, the reduction in the population of P. psidii in the red ginger biocontrol plot was attributed mainly to the action of C. montrouzieri.

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Published

2009-04-16

How to Cite

Mani, M., Krishnamoorthy, A., & Janakiram, T. (2009). Biological Control of Green Shield Scale, <I>Pulvinaria psidii</I> Maskell, on Red Ginger in India. Journal of Biological Control, 23(1), 93–94. https://doi.org/10.18311/jbc/2009/3624

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References

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