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Biological Control Of Water Hyacinth

Author

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  • Aman Kumar Gupta

    (Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-221005, U.P., India.)

  • Dipak Yadav

    (Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-221005, U.P., India.)

Abstract

Water hyacinth (Eichhornia crassipes) is a floating aquatic weed and native of Amazon River. Water hyacinth is one of the fastest growing plants they primarily reproduce from runners or stolons. Each plant of E. crassipes can produce thousands of seeds each year and these seeds can remain viable for more than 28 years. Water hyacinth caused water loss through evapotranspiration which is more significant than indigenous weeds. Water hyacinth caused many problems in canals, ponds, lakes, rivers likes they are blocking of canals and causing floods, reduction of water quality, oxygen depletion, increased evapotranspiration rate, fish production problems, the beauty of ponds and effects on human health. Controlling methods of water hyacinth includes physical, chemical and biological but the biological method is effective and environment friendly. Neochetina bruchi, N. eichhorniae, and water hyacinth borer (Sameodes albiguttalis) are found effective biological control on water hyacinth. These weevils are feed on water hyacinth and reducing the size of water hyacinth, its vegetative propagation, and seed production. Semi-aquatic grasshopper Cornops aquaticum is also found effective control on water hyacinth.

Suggested Citation

  • Aman Kumar Gupta & Dipak Yadav, 2020. "Biological Control Of Water Hyacinth," Environmental Contaminants Reviews (ECR), Zibeline International Publishing, vol. 3(1), pages 37-39, September.
    • Handle: RePEc:zib:zbnecr:v:3:y:2020:i:1:p:37-39
    DOI: 10.26480/ecr.01.2020.37.39
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    References listed on IDEAS

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    1. De Groote, H. & Ajuonu, O. & Attignon, S. & Djessou, R. & Neuenschwander, P., 2003. "Economic impact of biological control of water hyacinth in Southern Benin," Ecological Economics, Elsevier, vol. 45(1), pages 105-117, April.
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