US4263036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for controlling Hydrilla
Assignee: University of Florida
•
Filing: 1979-02-02
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Granted: 1981-04-21
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Expires: 1999-02-02
Abstract
Abstract Growth of Hydrilla verticillata is controlled by application of the microorganism Fusarium roseum "Culmorum" in amounts of 25,000 to 100,000 conidia per ml.
Inventors
- 👤 Raghavan Charudattan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:57
CPC Classifications
A; A01; A01N; A01N63/00; A01N63/30
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
29 words
A herbicidal concentrate for the preparation of compositions effective to control Hydrilla verticillata comprising an effective amount of the microorganism Fusarium roseum Culmorum adsorbed on an agronomically acceptable carrier.
Claim 2
Dependent Claim
29 words
A herbicidal concentrate for the preparation of compositions effective to control Hydrilla verticillata comprising an effective amount of the microorganism Fusarium roseum Culmorum adsorbed on an agronomically acceptable carrier.
Claim 3
Dependent Claim
17 words
A herbicidal concentrate of claim 1 in which the concentrate is a slurry of the said microorganism.
Claim 4
Dependent Claim
24 words
A herbicidal composition for the control of Hydrilla verticillata comprising an effective amount of the microorganism Fusarium roseum Culmorum and an agronomically acceptable carrier.
Claim 5
Dependent Claim
24 words
A herbicidal composition for the control of Hydrilla verticillata comprising an effective amount of the microorganism Fusarium roseum Culmorum and an agronomically acceptable carrier.
Claim 6
Dependent Claim
32 words
A wettable powder composition useful in the control of Hydrilla verticillata comprising 25-90% of the microorganism Fusarium roseum Culmorum 0.5-2% of a wetting agent, 0.25-5% of a dispersant, and 9-75% inert extender.
Claim 7
Dependent Claim
32 words
A wettable powder composition useful in the control of Hydrilla verticillata comprising 25-90% of the microorganism Fusarium roseum Culmorum 0.5-2% of a wetting agent, 0.25-5% of a dispersant, and 9-75% inert extender.
Claim 8
Dependent Claim
33 words
A dust composition useful in the control of Hydrilla verticillata comprising: 0.5-20% of the microorganism Fusarium roseum Culmorum, 5-25% of a dense filler, 0-1% of a wetting agent, and 30-90% of an extender.
Claim 9
Dependent Claim
33 words
A dust composition useful in the control of Hydrilla verticillata comprising: 0.5-20% of the microorganism Fusarium roseum Culmorum, 5-25% of a dense filler, 0-1% of a wetting agent, and 30-90% of an extender.
Claim 10
Dependent Claim
29 words
An emulsifiable oil composition useful in the control of Hydrilla verticillata comprising: 10-50% of the microorganism Fusarium roseum Culmorum, 40-82% of a suitable solvent, and 1-10% of an emulsifier.
Claim 11
Dependent Claim
29 words
An emulsifiable oil composition useful in the control of Hydrilla verticillata comprising: 10-50% of the microorganism Fusarium roseum Culmorum, 40-82% of a suitable solvent, and 1-10% of an emulsifier.
Claim 12
Dependent Claim
30 words
A granule composition useful in the control of Hydrilla verticillata comprising: - 30% of the microorganism Fusarium roseum Culmorum, 0-5% of a wetting agent, and 65-95% of an inert carrier.
Claim 13
Dependent Claim
30 words
A granule composition useful in the control of Hydrilla verticillata comprising: - 30% of the microorganism Fusarium roseum Culmorum, 0-5% of a wetting agent, and 65-95% of an inert carrier.
Claim 14
Independent Claim
30 words
A method for controlling the growth of Hydrilla verticillata comprising treating said Hydrilla with an amount of a microorganism comprising Fusarium roseum Culmorum effective to infect and kill said Hydrilla.
Claim 15
Independent Claim
30 words
A method for controlling the growth of Hydrilla verticillata comprising treating said Hydrilla with an amount of a microorganism comprising Fusarium roseum Culmorum effective to infect and kill said Hydrilla.
Claim 16
Dependent Claim
23 words
The method of claim 8 wherein the microorganism is applied to said Hydrilla in the amount of 25,000 to 250,000 conidia/ml of water.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-20 | 1984-10-20 | 1985-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-20 | 1988-10-20 | 1989-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-20 | 1992-10-20 | 1993-04-21 | $7700.00 | Window Closed / Lapsed |