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Plant support formulation, vehicle for the delivery and translocation of phytologically beneficial substances and compositions containing same

a technology of phytologically beneficial substances and formulations, applied in the direction of plant growth regulators, herbicides, fungicides, etc., can solve the problem of inability to determine such diametrical sizes in three dimensions without the use of highly sophisticated instruments, and achieve the effects of significantly thickening the diametrical thickness of the treated vine stems, reducing the risk of disease, and increasing the foliar index

Inactive Publication Date: 2012-11-29
NORTH WEST UNIV (ZA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0027]The phytologically beneficial substance that may be delivered to a plant by means of the delivery vehicle according to the present invention may be any one or more of the substances known to be useful as a plant nutrient; a plant pesticide including a herbicide, fungicide, bactericide, insecticide, anti-plant virus agent; a plant growth regulator; a plant immune modulator; a biostimulant; or genetic material for the transformation of the plant to allow the incorporation of a new characteristic or property in the plant. Such property may inter alia consist of drought resistance, pest resistance and enhanced fruit production.

Problems solved by technology

It is further to be understood that it is not practicable to determine such diametrical size in three dimensions without the use of highly sophisticated instrumentation.

Method used

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  • Plant support formulation, vehicle for the delivery and translocation of phytologically beneficial substances and compositions containing same
  • Plant support formulation, vehicle for the delivery and translocation of phytologically beneficial substances and compositions containing same
  • Plant support formulation, vehicle for the delivery and translocation of phytologically beneficial substances and compositions containing same

Examples

Experimental program
Comparison scheme
Effect test

preparation 1

Preparation of Plant Supporting Formulation Suitable for Use as a Delivery Vehicle for Use in Delivering a Phytologically Beneficial Substance to Plants

[0080]A formulation according to the invention may be made up as follows:[0081]Step 1: A desired volume of water is saturated with the indicated gas (in this example nitrous oxide but the same general procedure with minor modifications is used when employing carbon dioxide) at ambient pressure using a pressure vessel and sparger. The vessel is connected to a supply of nitrous oxide via a flow control valve and pressure regulator. The closed vessel is supplied with nitrous oxide at a pressure of 2 bar for a period of 96 hours, it having been determined that at the aforementioned temperature the water is saturated with nitrous oxide over such period of time under the above-mentioned pressure. In the case of the preparation of the basic or stock formulation (herein referred to as Elementol B) to be used on its own, or when it is to be u...

preparation 2

Typical Preparation of a Formulation Containing a Phytologically Beneficial Substance in the Plant Supporting Formulation According to the Invention as a Component of a Delivery Vehicle.

[0088]Step 1: One or more phytologically beneficial substances may be entrapped in the basic Elementol or buffered Elementol preparations described above, by thorough mixing of the desired substance into the Elementol formulation at room or field temperature before dilution for administration as described in step 6 of Preparation 1. Mixing may occur by shaking or stirring. After mixing, preparations are generally allowed to ‘cure’ for at least 30 minutes, but not more than 3 hours, before dilution with water for administration. In the case of substances with large molecular weights such as peptides, the preparations are left overnight at 4° C.

example 1

Use of Elementol as Delivery Vehicle for Foliar Nutrient Administration on Watermelon

Introduction:

[0089]Contrary to previous watermelon crops on a selected 160 Ha plot, the watermelon crop of this study had a low yield potential even though there were no changes when compared with previous practices. The following was observed during January 2005:[0090]1.) Premature senescence occurring during January of 2005. It was a scattered phenomenon.[0091]2.) The latter was mainly ascribed to nematodes resulting in the reduction of root efficiency. This resulted in many fruits becoming deformed and suffering “blossom end rot”.[0092]3.) Foliar fungal infections were common, irrespective of the pro-active application of fungicides on a 10 day basis. The fungicides were alternated to reduce the risk of resistance by the fungi.

Trial:

[0093]The decision was made to maintain the fungicide program, but to introduce a nutrient application as a foliar spray.

[0094]The experimental spray, per hectare, co...

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Abstract

A plant supporting formulation which is also suitable for use as a delivery vehicle, or a component of a delivery vehicle, for the delivery of one or more phytologically beneficial substances to a plant, and for enhancing the translocation of such delivered substance(s) in or on the plant, the formulation comprising a micro-emulsion constituted by a dispersion of vesicles or microsponges of a fatty acid based component in an aqueous carrier, the fatty acid based component comprising at least one long chain fatty acid based substance selected from the group consisting of free fatty acids and derivatives of free fatty acids. The dispersion is preferably characterized in that at least 50% of the vesicles or microsponges are of a diametrical size of between 50 nm and 5 micrometer. The dispersion is further also characterized in that the micro-emulsion has a zeta potential of between −25 mV and −60 mV.

Description

[0001]This application is a continuation of U.S. Ser. No. 12 / 280,880 filed on Oct. 30, 2008 which is a 35 U.S.C. 371 National Phase Entry Application from PCT / IB2007 / 050580, filed Feb. 23, 2007, which claims the benefit of South African Patent Application No. 2006 / 01725 filed on Feb. 27, 2006, the disclosure of which is incorporated herein in its entirety by reference.FIELD OF THE INVENTION[0002]This invention relates to a plant supporting formulation which in itself is phytologically beneficial and which is also suitable for use as a delivery vehicle, or a component of a delivery vehicle, for use in delivering to a plant, and for distributing or translocating in a plant, a variety of phytologically beneficial substances in the form of molecules, compounds, biologicals or chemicals that have a phytologically beneficial effect to plants [herein collectively referred to as “phytologically beneficial substances”]. The expression “plant supporting” is used herein to signify that the for...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A01N37/06A01N43/54A01N43/40A01P7/04A01P13/00A01P3/00A01P1/00A01N57/12A01P21/00
CPCA01N25/04A01N37/02A01N37/06A01N43/653A01N2300/00
Inventor GROBLER, ANNE FREDERICA
Owner NORTH WEST UNIV (ZA)
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