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Tuesday, May 12, 2020 | History

3 edition of Biological control of water hyacinth found in the catalog.

Biological control of water hyacinth

M. H. Julien

Biological control of water hyacinth

the weevils Neochetina bruchi and N. eichhorniae : biologies, host ranges, and rearing, releasing and monitoring techniques for biological control of Eichhornia crassipes

by M. H. Julien

  • 66 Want to read
  • 19 Currently reading

Published by Australian Centre for International Agricultural Research in Canberra, ACT .
Written in English

    Subjects:
  • Water hyacinth -- Biological control.,
  • Aquatic weeds -- Biological control.

  • Edition Notes

    Includes bibliographical references (p. 60-64).

    StatementM.H. Julien, M.W. Griffiths, A.D. Wright.
    SeriesACIAR monograph -- no. 60., ACIAR monograph series -- no. 60.
    ContributionsGriffiths, M. W., Wright, A. D., Australian Centre for International Agricultural Research.
    Classifications
    LC ClassificationsSB615.W3 J85 1999
    The Physical Object
    Pagination87 p. :
    Number of Pages87
    ID Numbers
    Open LibraryOL18140555M
    ISBN 101863202676

    Water hyacinth remains one of the worst aquatic weeds worldwide, and its presence in South Africa since the early twentieth century prompted research into biological control options. The first control agent released in South Africa was the weevil Neochetina eichhorniae in , but the project was terminated three years later, and resumed in Cited by: 3. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Biological control efforts of water hyacinth (eichhornia, Author.

      The efficacy of grass carp Ctenopharyngodon idella (Cyprinidae) and weevils Neochetina spp. (Curculionidae) to control the aquatic weed, water hyacinth, is investigated in a square net cage (happas) setting at a farm in Cuddalore District, South India. This novel combination of insects and fish is found to be superior to individual treatments for controlling the weed growth within by: 7. Get this from a library! Biological control of water hyacinth: the weevils Neochetina bruchi and N. eichhorniae: biologies, host ranges, and rearing, releasing and monitoring techniques for biological control of Eichhornia crassipes. [M H Julien; M W Griffiths; A D Wright; Australian Centre for International Agricultural Research.].

    Biological Control DBW’s partner in FAV control, the U.S. Department of Agriculture, Agricultural Research Service, evaluates and implements live, natural control agents where possible and effective. FAV control by water hyacinth weevils (Neochetina bruchi and Neochetina eichhorniae) have been used.   20 The water hyacinth is also prevalent in the Mekong delta in Vietnam, Cambodia, Lao PDR and Thailand. 21 In Thailand and Vietnam, biological control methods and various legislations have been put in place to control the spread of water hyacinth, but the weed remains a .


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Biological control of water hyacinth by M. H. Julien Download PDF EPUB FB2

Biological Control of Water Hyacinth 2: The Moths Niphograpta Albiguttalis and Xubida Infusellus: Biologies, Host Ranges, and Rearing, Releasing and of Eichhornia Crassipes (ACIAR Monographs) Paperback – Decem Format: Paperback. The plants were killed by the weevils, mites and fungal pathogens when introduced in planned biological suppression, here the death rate of the weeds far exceeded the natural biological control.

Cleansing effect of water hyacinth in lakes was studied and water quality analyzed after plants sink under : Rinku Verma. Biological control is the use of Biological control of water hyacinth book specific natural enemies to reduce the population density of a pest.

Several insects and fungi have been identified as control agents for water Size: KB. The abundance and distribution of Water Hyacinth in Lake Victoria and the Kagera River Basin, Biological Control of Water Hyacinth: The weevils Neochetima bruchi and N. eichhorniae. Water hyacinth, Eichhornia crassipes (Mart.) Solms-Laub., is the most important aquatic weed in South Africa.

Chemical and mechanical control of the plants has proved unsatisfactory, and biological control is considered the best long-term solution to the by: Harley, K. The role of biological control in the management of water hyacinth, Eichhornia crassipes. Bio Control News and Information 11(1): Heard, T.

and S. Winterton. Interactions between nutrient status and weevil herbivory in the biological control of water hyacinth. Journal of Applied Ecology Need for integrated control The increasing worldwide problem caused by water hyacinth requires both short- and long-term control or the integration of several techniques in which biological.

The mottled water hyacinth weevil has been the most effective biological control insect for water hyacinth. It is able to stress plants, reduce flowers and seeds, and reduce plant vigor. The chevroned water hyacinth weevil (Neochetina bruchi) is very similar to N.

eichhorniae. Water hyacinth is an aggressive invader and can form thick mats. It is very important to control water hyacinth before the entire water surface is covered.

In Florida, water hyacinth once clogged up and choked a major waterway. Water hyacinth control is difficult. The most effective methods of control. : Biological Control of Water Hyacinth 2: The Moths Niphograpta Albiguttalis and Xubida Infusellus: Biologies, Host Ranges, and Rearing, Releasing and of Eichhornia Crassipes (ACIAR Monographs) () and a great selection of similar New, Used and Collectible Books available now at great : Paperback.

Biological control of water hyacinth project was the second attempt at biological control of an aquatic weed with introduced arthropods.

Although focus remained on the search and importation of natural enemies from South America, the discovery of the indigenous Bellura densa and Cercospora rodmani added another dimension to the research on biological control of aquatic plants in the.

Classical biological control of waterhyacinth is difficult to evaluate against the backdrop of active herbicide programs.

Two experiments evaluated the additive impact of herbivory by two biological control agents with three different rates of 2,4-D on waterhyacinth growth and development in outdoor concrete mesocosms.

Biological control of water hyacinth offers sustainable, environmentally-friendly, long-term control, and is the only feasible method to provide some level of control to those infestations which cover huge areas, are difficult to access and/or do not warrant the high cost of physical or chemical control.

Abstract Water hyacinth is the most serious aquatic weed in India, infesting more than ha of water surface. Successful biological control of this weed was achieved in a fully infested tank covering 20 ha at Bangalore.

More than 95% of the infestation was cleared within 32 months by releases of Neochetina eichhorniae Warner. The insect also spread along a water channel and Cited by: Bywater hyacinth populations in the Delta still required an aggressive chemical control campaign and the status of the biological control agents was in question.

In latea field survey to determine the distribution and abundance of the released insects was by: 4. Biological Control of Water Hyacinth Under Conditions of Maintenance Management: Can Herbicides and Insects Be Integrated.

Julien, Mic H. & Griffiths, M.W. & Wright, Anthony D. "Biological Control of Water Hyacinth: The weevils Neochetima bruchi and N. eichhorniae Biologies, Host Ranges, and Rearing, Releasing and Monitoring Techniques for Biological Control of Eichhornia cra," Monographs, Australian Centre for International Agricultural Research, number (DOC) Biological control of water hyacinth by means of water hyacinth weevil (Neochetina spp.) in aquatic ecology of Nepal | RP Mainali - There is increasing threatening of water hyacinth in aquatic ecosystem of Nepal.

It only not decreases the. Water Hyacinth can be removed by raking or seining it from the pond’s surface. Biological Management Options. Since water hyacinth is the main food source for the Neochetina beetle, they are commonly used as a biological management factor for the plant.

Herbicide Control Options. Strategies including physical removal, chemical methods and biological control agents have proven inefficient in completely eradicating Eichhornia crassipes. On the other hand, water hyacinth has a low lignin and high holocellulose content and is a rich source of lignocellulosic biomass, and has therefore been exploited as a raw material for.

The water hyacinth, and its relation to navigation in Florida by WebberHerbert John and a great selection of related books, art and collectibles available now at South Africa has one of the world’s biggest gold mining regions with an associated problem of acid mine drainage (AMD), which increases the bioavailability of heavy metal contaminants in water.

The prevalence of water hyacinth (Eichhornia crassipes) in South African water systems, despite the release of seven biocontrol agents sinceis often attributed to high levels of eutrophication.

Metal Cited by: 3.The efficacy of grass carp Ctenopharyngodon idella (Cyprinidae) and weevils Neochetina spp. (Curculionidae) to control the aquatic weed, water hyacinth, is investigated in a square net cage (happas) setting at a farm in Cuddalore District, South India.

This novel combination of insects and fish is found to be superior to individual treatments for controlling the weed growth within d.