[Mycology] FW: patent on mycoherbicides for water hyacinth and water lettuce

Jong, Meindert de via mycology%40net.bio.net (by Meindert.deJong At wur.nl)
Mon Nov 20 05:23:18 EST 2006


Annals of Plant Protection Sciences
Year : 2006, Volume : 14, Issue : 1
Print ISSN : 0971-3573. 

Novel mycoherbicides for biological control of aquatic weeds such as Water Hyacinth and Water Lettuce©: Patent Disclosure

de Jong Meindert D., de Voogd W. Barend

Biological Farming Systems Group, Wageningen University, Marijkeweg 22, 6709 PG Wageningen. The Netherlands; Fax: +31-317-478213

Submitted to European Patent Office by the inventors Barend de Voogd & Meindert D. de Jong, P.O.B. 5818, Patentlaan 2, NL-2280 HY Rijswijk, Netherlands; Fax: +31 70 340-3016 E-mail inventors: Barend.deVoogd At wur.nl <mailto:Barend.deVoogd At wur.nl?cc=gbehal At docdelserv.com> , MeindertdeJong At wur.nl <mailto:MeindertdeJong At wur.nl?cc=gbehal At docdelserv.com> 

Application #: EPO-DG 1 (102), Piority date: 18.09.2003


________________________________

Van: Jong, Meindert de
Verzonden: za 11-11-2006 17:22
Aan: Jong, Meindert de
Onderwerp: patent


Annals of Plant Protection Sciences
Year : 2006, Volume : 14, Issue : 1
Print ISSN : 0971-3573. 

Novel mycoherbicides for biological control of aquatic weeds such as Water Hyacinth and Water Lettuce©: Patent Disclosure

de Jong Meindert D., de Voogd W. Barend

Biological Farming Systems Group, Wageningen University, Marijkeweg 22, 6709 PG Wageningen. The Netherlands; Fax: +31-317-478213

Submitted to European Patent Office by the inventors Barend de Voogd & Meindert D. de Jong, P.O.B. 5818, Patentlaan 2, NL-2280 HY Rijswijk, Netherlands; Fax: +31 70 340-3016 E-mail inventors: Barend.deVoogd At wur.nl <mailto:Barend.deVoogd At wur.nl?cc=gbehal At docdelserv.com> , MeindertdeJong At wur.nl <mailto:MeindertdeJong At wur.nl?cc=gbehal At docdelserv.com> 

Application #: EPO-DG 1 (102), Piority date: 18.09.2003

Abstract of the invention

An invention is described about biological control of noxious aquatic weeds. Research in tropical green houses revealed the discovery of two fungal pathogens were developed as 'mycoherbicides' to eradicate invading weeds in tropical and subtropical waterways. Treatments of Water Hyacinth and Water Lettuce led to sudden death, sinking, and early dying. More than 90% of these invading weeds were killed in green house trails.

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Summary of the invention

The invention relates to the application of the fungus Sclerotinia sclerotiorum as a mycoherbicide to control aquatic weeds such as Water Hyacinth (Eichhornia crassipes) and Water Lettuce (Pistia stratiotes). S. sclerotiorum has been found to be capable to infect and kill Water Hyacinth and Water Lettuce when mycelium of the fungus is applied to the plants in a suitable formulation. S. sclerotiorum has never been reported as being pathogenic to Water Hyacinth and Water Lettuce. Accordingly, the biological control method to control aquatic weeds using mycelium of S. sclerotiorum is novel.

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