Microbial Herbicides

	Back to Home
Microbial Products Influencing Plant Growth Indole Acetic Acid Gibberllins Cytokinins Ethylene Antibiotics Some Examples of Antibiotics Produced by Actinomycetes Fungi and Bacteria Mechanism of Antibiotic Action

Microbial Herbicides

Microbial Herbicides
The concept of herbicides of microbial origin stems from the efforts of plant pathologists to use endemic or exotic pathogens to kill weeds. Some of the successes with exotic pathogens have been:

1) the use of Puccinia chondrillina from Southern Europe to control skeleton weed (Chondrilla juncea) in Australia, 2) the use of Cercosporella riparia to control Ageratina riparia introduced in Hawaii from Jamaica, and the use of introduced rust Phragmidium violaceum to control wild blackberry (Rubus spp.).

Similarly, some of the successes with endemic pathogens are: 1) the use of Cercospora rodmanii to control water hyacinth (Eichhornia crassipes) which chokes waterways in Florida and Louisiana of U.S.A., 2) the use of Colletotrichum gloeosporioides to control jointveth (Aeschynomene virginica) in rice fields of Arkansas in U.S.A., and 3) the use of host-specific pathotype Phytophthora citrophthora to control milkweed vine (Morrenia odorata) in Florida, U.S.A.

It should, however, be stated that exploitation of the exact microbial herbicides is dependent on close international cooperation whereas the use of endemic microbial herbicides would need national and local cooperation from various agencies.

	Back to Home
Resistance to Antiobiotics Aflatoxin Toxins in Plant Diseases Bacterial and Fungal Insecticides Examples of Known Toxins Involved in Plants Diseases Virus Insecticides Microbial Herbicides Biological Control of Plant Diseases

Home | Site map | Submit Article | Directory | Search