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WO1997049288A1 - Procede servant a traiter une maladie de plante - Google Patents

Procede servant a traiter une maladie de plante Download PDF

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Publication number
WO1997049288A1
WO1997049288A1 PCT/GB1997/001724 GB9701724W WO9749288A1 WO 1997049288 A1 WO1997049288 A1 WO 1997049288A1 GB 9701724 W GB9701724 W GB 9701724W WO 9749288 A1 WO9749288 A1 WO 9749288A1
Authority
WO
WIPO (PCT)
Prior art keywords
substance
plant
composition
oxi
fulvic acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/GB1997/001724
Other languages
English (en)
Inventor
Willem Abraham Van Rooijen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ORGANOCURE Pty Ltd
Original Assignee
ORGANOCURE Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ORGANOCURE Pty Ltd filed Critical ORGANOCURE Pty Ltd
Priority to AU32691/97A priority Critical patent/AU3269197A/en
Priority to EP97928371A priority patent/EP0918462A1/fr
Priority to APAP/P/1998/001416A priority patent/AP9801416A0/en
Priority to BR9709989-9A priority patent/BR9709989A/pt
Priority to IL12774797A priority patent/IL127747A0/xx
Priority to JP10502559A priority patent/JP2000512987A/ja
Priority to NZ333443A priority patent/NZ333443A/xx
Publication of WO1997049288A1 publication Critical patent/WO1997049288A1/fr
Priority to NO986041A priority patent/NO986041L/no
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F11/00—Other organic fertilisers
    • C05F11/02—Other organic fertilisers from peat, brown coal, and similar vegetable deposits
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • C05G5/23—Solutions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin

Definitions

  • THIS INVENTION relates to the treatment of plant diseases. It relates in
  • a treatment agent for treating a plant disease to a prophylactic method of preventing piant diseases, to a method of fertilizing a plant, to a method of making a substance or composition for fertilizing a plant, to a substance or composition for fertilizing a plant, to the use of a substance or composition for fertilizing a plant
  • Oxi-fulvic acid is a mixture of substances which include organic acids and is obtainable from Enerkom (Proprietary) Limited. Its method of preparation is described in US Patent 4,91 2,256 in which it is referred to as “fulvic acids” . It is generally provided as an approximately 24 - 25% concentrate. In the remainder of this specification, the concentrate is referred to simply as "oxi-fulvic acid”.
  • a 3% solution of oxi-fulvic acid refers for example to a solution containing 3ml or 3g of the concentrate per 100g.
  • the plant disease may be selected from leaf diseases and root diseases.
  • the plant disease may for example be a root disease of a grain plant such as wheat, barley, oats, rye or maize, a root disease of a grass such as rye grass or fescue, or a root disease of plants such as potatoes, beans, peanuts, tomatoes, lucerne or alfalfa.
  • Such root diseases include Phytophthora, Pythium, Panama disease and Malelaan disease.
  • the disease may, instead, be a disease such as Brown Scab (Streptomyces Scabies), Resetonia Solani, Late Blight, Bacterial Cancer, Early Blight, Bacterial Wilt, Erwinia, Brown rust on beans, powdery mildew or downy mildew.
  • Erwinia is a pathogen which causes dry rot in potatoes, ie it is a potato tuber disease.
  • the invention should not however be construed as being limited to these diseases and extends to a method of treating other plant diseases, for example diseases of the leaves or roots of plants, which are caused by fungi,
  • the plant may be selected from wheat, barley, oats, rye, maize, rye grass, fescue, potatoes, beans, peanuts, tomatoes, lucerne and alfalfa and the disease may be selected from Phytophthora, Pythium, Panama disease, Malelaan disease, root diseases of trees, Brown Scab (Streptomyces scabies), Resetonia
  • the substance or composition may include a carrier.
  • the carrier may be an
  • the carrier may be a liquid fertilizer
  • the liquid fertilizer may be selected from liquid fertilizing materials and liquid fertilizer blends of the type described in the Applicant's co-pending South African Patent
  • substance or composition may be an aqueous solution of oxi-fulvic acid (optionally including other components) or a liquid fertilizer solution of oxi-fulvic acid (optionally including other components).
  • liquid fertilizer solution refers to a solution or mixture (optionally including other components) of oxi-fulvic acid with a liquid fertilizing mate ⁇ al or liquid fertilizer blend as described in South African Patent Application No. 96/5477.
  • the concentration of the oxi-fulvic in the substance or composition may be any concentration of the oxi-fulvic in the substance or composition.
  • the aqueous solution or the liquid fertilizer solution may have a concentration of oxi-fulvic acid of about 0,2 - 8,0% (m/v) preferably about 0,5 - 6,0% (m/v) and more preferably about 1 , 5 - 5,0% (m/v) .
  • the method may include the step of dissolving the oxi-fulvic acid in water, eg irrigation water, to form the aqueous solution.
  • the method may include the
  • the oxi-fulvic acid need not be pre-dissoived in water before being admixed with the liquid fertilizer and may be added to the liquid fertilizer in an undissolved state or incorporated in the liquid fertilizer during one of the steps of its manufacture.
  • the method may further include the step of applying the aqueous solution or the liquid fertilizer solution to the ground around the plant or spraying it onto the plant eg by means of a knapsack or similar spray.
  • applying the substance or composition to the plant may include a step selected from applying the substance or composition to the ground around the plant and spraying the substance or composition onto the plant.
  • oxi-fulvic acid in the liquid fertilizer solution destroys or substantially reduces the amount of bacteria, viruses, fungi and other pathogens in the liquid fertilizer solution.
  • oxi-fulvic acid in particular, destroys or substantially reduces the amount of bacteria, viruses, fungi and other pathogens in the liquid fertilizer solution.
  • fulvic acid destroys or reduces the amount of plant disease causing bacteria, viruses, fungi and other pathogens in the liquid fertilizer solution.
  • the oxi-fulvic acid also destroys or reduces the amount of bacteria, viruses, fungi and other pathogens in the soil and on the plant when the soil and plant are fertilized with the liquid fertilizer solution.
  • the liquid fertilizer solution thus, in addition to
  • fertilizing a plant acts as a prophylactic and/or curative agent in respect of plant diseases.
  • the method may include dissolving oxi-fulvic acid in sufficient water so that
  • the aqueous solution has a concentration of about 0,5 - 6% (m/v) and applying the solution to the drip area of the citrus tree in an amount of about 5 £ per running metre.
  • the solution may then be washed into the soil with irrigation water.
  • the soil in the drip area is preferably pre-wetted and the infected trees are treated
  • drip area is meant the ground area beneath the body of the tree.
  • running metre is meant a circumferentially extending 1 m wide strip around the
  • the method may include dissolving the oxi-fulvic acid in sufficient water so that the
  • aqueous solution has a concentration of about 4% (m/v) and applying the solution to the drip area of the avocado pear tree in an amount of 10f per running metre at field capacity.
  • the solution may then be washed into the ground with irrigation water immediately after application to the drip area.
  • the soil in the drip area is preferably pre-wetted by applying 1 5mm of water.
  • the treatment is generally carried out weekly or monthly depending on the method of irrigation used.
  • the method may include dissolving the oxi-fulvic acid in sufficient water so that the aqueous solution has a concentration of about 0,5 - 6% (m/v), depending on the amount of clay in the soil, and applying the solution to the mat of the banana tree in an amount of 51 per mat.
  • the solution may then be washed in with irrigation water as described above.
  • the soil is generally pre-wetted with 30mm of water and the frequency of application will depend upon the method of irrigation used.
  • mat is meant the area under the banana tree and corresponds to the drip area of, for example, a citrus tree or an avocado pear tree.
  • the method may include dissolving the oxi-fulvic acid in water so that the aqueous solution has a concentration of about 0, 5 - 6,0% (m/v) and applying the solution to the drip area of the guava tree in an amount of about 5 f per running metre. The solution may then be washed into the ground with irrigation water as described for avocado pear trees above.
  • the method may include applying an aqueous solution of oxi-fulvic acid with a concentration of 6% (m/v) as a preventative spray every 4 weeks in an amount of 0,5 - 2, O f per Ha either by means of an aerial spray or by means of a
  • the method may include applying an aqueous solution of oxi-fulvic acid having a concentration of 0, 5% (m/v) to the bean plants at a rate of 2 i per Ha. Generally 2 - 4 applications per growing season are sufficient.
  • the method may include admixing the liquid fertilizer solution as described above with the soil in which the tree is to be planted before it is planted, for example about 500g (in the case of citrus trees) or about 200g (in the case of avocado pear trees) .
  • a fertilizer containing 0,5 - 6,0% oxi-fulvic acid is applied. The fertilizer is applied in an amount and at a frequency as recommended by the supplier.
  • the method may include instead, or in addition, the step of treating the soil around the tree while it is being established with the liquid fertilizer solution in an amount of about 500g per running meter every four months for a period of about two years.
  • the liquid fertilizer solution may be used for the control of diseases in cash crops such as potatoes, tomatoes, peanuts, beans and other vegetable crops.
  • the liquid fertilizer solution may be applied to the ridge at planting in an amount of about 800 - 2000 kg per Ha depending upon the plant population.
  • the method may include applying the liquid fertilizer solution in an amount of about 800 kg per Ha and thereafter applying an aqueous solution of oxi-fulvic acid having an oxi-fulvic acid concentration of about
  • the application may, instead, be via the irrigation water used to
  • the carrier may be an aqueous carrier.
  • the carrier may be a liquid fertilizer.
  • the liquid fertilizer may be selected from liquid fertilizing materials and
  • liquid fertilizer blends of the type described in South African Patent Application No. 96/5977.
  • the method may include dissolving the oxi-fulvic acid in water to form
  • the fertilizing material may be a liquid fertilizer as hereinbefore described.
  • the oxi-fulvic acid may be combined with any liquid fertilizer, whether a chemical (ie inorganic) fertilizer or an organic fertilizer or a fertilizer blend or any plant nutrient
  • the invention extends to a substance or composition for treating a plant disease whenever made by a method as hereinbefore described.
  • a substance or composition for treating a plant disease including, as an active treatment agent, oxi-fulvic acid.
  • the substance or composition may be as hereinbefore described.
  • a substance or composition for treating a plant disease including, as an active treatment agent, oxi-fulvic acid.
  • the substance or composition may be as hereinbefore described.
  • a substance or composition for preparing a treatment agent for treating a plant disease including, as an active treatment agent, oxi- fulvic acid.
  • the invention extends to a prophylactic method of treating plant diseases, the method including a step selected from applying directly to a plant and applying to the soil around a plant, a substance or composition which includes as an active
  • the substance or composition may be as hereinbefore described.
  • a method of fertilizing a plant including the step of applying to a plant a fertilizer which includes oxi-fulvic acid.
  • the fertilizer may be a liquid fertilizer as hereinbefore described.
  • a method of making a substance or composition for fertilizing plants including the step of combining oxi-fulvic acid and a fertilizer.
  • the fertilizer may be a liquid fertilizer as hereinbefore described.
  • a substance or composition for fertilizing a plant including a
  • a substance or composition for fertilizing a plant including a fertilizer and oxi-fulvic acid.
  • the fertilizer may be a liquid fertilizer as hereinbefore described.
  • Figure 1 shows a graph of the log of the number of colony forming units vs time for Erwinia treated with oxi-fulvic acid
  • Figure 2 shows a graph of the number of colony forming units vs time for
  • Figure 3 shows a graph of the log of the number of colony forming units vs time for Bacterial Wilt Biovar 3 treated with oxi-fulvic acid
  • Figure 4 shows a graph of the log of the number of colony forming units vs time for Bacterial Wilt Biovar 2 treated with oxi-fulvic acid.
  • oxi-fulvic acid refers to the approximately 24 - 25%
  • oxi-fulvic acid was dissolved in water to produce an aqueous solution having a concentration of 5 - 6% (m/v).
  • oxi-fulvic acid was dissolved in water to produce an aqueous solution having a concentration of 4%
  • oxi-fulvic acid was dissolved in water to produce an aqueous solution having a concentration of 0,5 -
  • oxi-fulvic acid was dissolved in water to produce an aqueous solution having a concentration of 0,5 - 6,0% (m/v) .
  • the drip area was pre-wetted with 1 5mm water and the solution was applied to the drip area of the guava tree in an amount of 5 f per running
  • oxi-fulvic acid was added to a sand-bark growth media commonly used by the citrus nursery industry. This media was inoculated with Phytophthora using Phytophthora infested irrigation water for four weeks. Thereafter, oxi-fulvic acid was added at either 40 or 80 ml/£ as a soil drench. Another four weeks of Phytophthora infested irrigation was then added. Ridomil was used as the chemical standard and was used at 2g/pot. An additional treatment, an extract as described in Example 7 below containing 3% of oxi-fulvic acid was also included.
  • CFUs colony forming units
  • Organic cure refers to the aqueous solution of oxi-fulvic acid.
  • the solution had a concentration of about 24% as described above and was diluted as indicated in the Figures. From Figure 1 it can be seen that at all concentrations
  • Streptomyces scabies was reduced from a value of 23 x 10 5 to a value of 6, 1 x 1 0 5 after 60 minutes. From Figures 3 and 4 it can be seen that, as for Figure 1 ,
  • Bacterial Wilt Biovar 3 and Bacterial Wilt Biovar 2 bacteria were destroyed at all concentrations down to 0, 5% within 30 seconds.
  • CVP crystal violet pectate
  • NA nutrient
  • TZC refers to tetrazolium chloride (a semi-selective medium for bacterial wilt pathogens) .
  • chicken manure 1 kg was added to water ( 1 ,5 f ) and the mixture was heated to 80°C, with stirring, for 30 minutes.
  • the resulting mixture comprising an aqueous phase and insoluble material, was passed through a cyclone to separate insoluble material from the mixture.
  • phase was then passed through a filter-press to remov i remaining suspended solid material.
  • the extract was produced by concentrating the filtered aqueous phase to a volume of about 1 i .
  • the extract had a carbonmitrogen ratio of 24: 1 and contained about 35%(m/m) dissolved solids.
  • a liquid fertilizing material containing the fertilizing substance calcium nitrate was made as follows.
  • a solution of calcium nitrate was prepared by dissolving calcium nitrate (53g) in water ( 100 m f ) to produce a solution having a concentration of 53 % (m/v).
  • the solution ( 1 00 m f ) was then admixed with the
  • Example 7 extract of Example 7 (400 mf) (the ratio between the extract and the calcium nitrate solution thus being 1 :4) .
  • Oxi-fulvic acid (3m £) was added to the mixture, the resulting mixture was heated to 60°C and left to stand for 24 hours to produce the liquid fertilizing material containing the fertilizing substance calcium nitrate.
  • Example 8 The process of Example 8 was repeated using the fertilizing substance calcium acetate (53 g) and the same quantities of water, extract and oxi-fulvic acid to produce a liquid fertilizing material containing the fertilizing substance calcium acetate.
  • the calcium-containing liquid fertilizing material(s) can be blended with other liquid fertilizing materials (prepared as described below), or with other nutrients,
  • the calcium-containing liquid fertilizing material can, instead, be used directly, as a calcium source, through an irrigation system or as a foliar feed to overcome specific calcium deficiencies (detected for example by leaf analysis) that may occur during the growing season of a plant.
  • a liquid fertilizing material containing the fertilizing substance magnesium nitrate was prepared as follows.
  • a solution of magnesium nitrate was prepared by dissolving magnesium nitrate (35 g) in water ( 100 mf ) to produce a solution
  • liquid fertilizing material containing the fertilizing substance magnesium nitrate.
  • the magnesium-containing liquid fertilizing material can be used in blends, as described above, directly through irrigation systems or as a foliar feed in the
  • a liquid fertilizing material containing the fertilizing substance potassium nitrate was prepared as follows.
  • a solution of potassium nitrate was prepared by dissolving potassium nitrate 1 kg in water 600mf at 70 - 90°C with mechanical stirring for 5 - 1 0 minutes to produce a solution having a concentration of 62, 5% (m/m).
  • the resulting solution (100 m f ) was admixed with the extract of Example 7 (400 m f ) (the ratio between the extract and the potassium nitrate solution thus being 1 :4) .
  • Oxi-fulvic acid (3m f ) was added to the mixture to produce the liquid fertilizing material containing the fertilizing substance potassium nitrate.
  • the process of Example 10 was repeated twice more using, respectively, the fertilizing substances potassium chloride and potassium sulphate in the same quantities to produce liquid fertilizing materials containing the fertilizing substances potassium chloride and potassium sulphate respectively.
  • the potassium-containing liquid fertilizing material(s) can be blended with other liquid fertilizing materials or nutrients, as described above, or used on its own
  • a liquid fertilizing material containing the fertilizing substance ammonium nitrate was prepared as follows. A 21 % (m/m) solution of ammonium nitrate (100 mf ) was admixed with the extract of Example 7 (400 m f) (the ratio between the extract and the ammonium nitrate solution thus being 1 :4). Oxi-fulvic acid (3m£ )
  • Example 1 1 The process of Example 1 1 was repeated twice more using, respectively, the fertilizing substances ammonium sulphate as an 80% (m/m) solution and urea ammonium nitrate as an 80% (m/m) solution in the same quantities to produce liquid fertilizing materials containing the fertilizing substances ammonium sulphate and urea ammonium nitrate respectively.
  • ammonium-containing liquid fertilizing material(s) can be blended with other liquid fertilizing materials or nutrients, as described above, or used on its own through an irrigation system or as a foliar feed in prescribed quantities.
  • monoammonium phosphate was prepared as follows. A 30% (m/m) solution of monoammonium phosphate ( 100 m f ) was admixed with the extract of Example 6 (400 mf ) (the ratio between the extract and the monoammonium phosphate solution thus being 1 :4). Oxi-fulvic acid (3 mf ) was added to the mixture and the
  • Example 12 The process of Example 12 was repeated three times using, respectively, the fertilizing substances diammonium phosphate, monopotassium phosphate and dipotassium phosphate, each as a 30% (m/m) solution, in the same quantities to produce liquid fertilizing materials containing the fertilizing substances diammonium phosphate, monopotassium phosphate and di-potassium phosphate.
  • the phosphate-containing liquid fertilizing material(s) can be blended with other liquid fertilizing materials or nutrients as described above to suit the requirements of a specific crop or area or used on its own through irrigation systems or as a foliar feed to overcome phosphate deficiencies (for example as detected by tissue analysis) .
  • a liquid fertilizer blend was prepared by admixing the potassium-containing liquid fertilizing material of Example 10 (20kg) with the ammonium-containing liquid fertilizing material of Example 1 1 (40kg) and the phosphate-containing liquid fertilizing material of Example 12 (33kg).
  • Oxi-fulvic acid (6kg) [PLEASE CONFIRM]
  • BMX micro-nutrient blend (0,2kg), supplied by Chemserve Colloids (Pty) Limited, were added to the mixture to produce the liquid fertilizer blend.
  • a liquid fertilizer blend was prepared by admixing the potassium-containing liquid fertilizing material of Example 10 (20kg), the ammonium-containing liquid fertilizing material of Example 1 1 (61 kg), the calcium-containing liquid fertilizing material of Example 8 (7,3kg) and the magnesium-containing liquid fertilizing material of Example 9 (2,5kg). Oxi-fulvic acid (6kg) and BMX micro-nutrient blend (0, 2kg), were added to the mixture to produce the liquid fertilizer blend.
  • the soil in which the tree was to be planted was admixed with 200g of a fertilizing material or liquid fertilizer blend as described in Examples 1 6 or 1 7.
  • the fertilizing material or the blend was then applied to the soil around the tree in an amount of 1 - 2kg/m 2 every four months
  • Liquid fertilizers ie fertilizers containing dissolved fertilizing components in an aqueous medium, generally cannot be produced by combining calcium-
  • calcium salts cannot be combined, in liquid fertilizers, with phosphates, sulphates (such as ammonium sulphate or magnesium sulphate) or carbonates because of
  • calcium phosphate for example as tricalcium phosphate
  • calcium sulphate or calcium carbonate Even when a soluble calcium salt is applied to the soil, for example as a component of a top-dressing, the soluble calcium salt can be converted, in the soil, into insoluble calcium carbonate or calcium hydroxide. This limits the availability of the calcium of the soluble calcium salt to plants growing in the soil.
  • Magnesium-containing salts can similarly be converted, in the soil, to partly-soluble magnesium carbonate or magnesium hydroxide so that the availability of the magnesium of the soluble magnesium salt to plants growing in the soil is
  • fulvic acid destroys or substantially reduces pathogens such as viruses and bacteria which cause plant diseases.
  • the Applicant has found that the presence of oxi- fulvic acid in the liquid fertilizing material results in an increased root mass of plants treated with the liquid fertilizing material. This enables the plants to utilize
  • predetermined amounts of different liquid fertilizing materials may be blended to provide a blend having predetermined amounts of different fertilizing materials present.
  • This permits the preparation of liquid fertilizer blends which are suited to the requirements of different plants or to the requirements of a specific plant during different periods of its growth cycle. For example, some plants require certain nutrients during their growth stage and other nutrients during their reproduction stage.
  • the invention thus provides blends which can be applied to the ground in the vicinity of the plant during these stages.
  • prior art organic fertilizers of which the Applicant is aware do not contain large amounts of micro- nutrients. It has thus generally been necessary to use relatively large amounts of such prior art organic fertilizers in order to provide sufficient micro-nutrients to meet the requirements of a particular type of plant. It is an advantage of the invention described that it provides a liquid fertilizing material which includes

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Procédé servant à traiter une maladie de plante et consistant à appliquer à la plante atteinte d'une maladie, une quantité efficace d'une substance ou d'une composition contenant, en tant qu'agent actif de traitement, de l'acide oxi-fulvique.
PCT/GB1997/001724 1996-06-27 1997-06-27 Procede servant a traiter une maladie de plante Ceased WO1997049288A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AU32691/97A AU3269197A (en) 1996-06-27 1997-06-27 Method of treating a plant disease
EP97928371A EP0918462A1 (fr) 1996-06-27 1997-06-27 Procede servant a traiter une maladie de plante
APAP/P/1998/001416A AP9801416A0 (en) 1996-06-27 1997-06-27 Method Of treating a plant disease.
BR9709989-9A BR9709989A (pt) 1996-06-27 1997-06-27 Processos para tratamento de uma doenca de planta, para preparacão de uma substância ou composicão para tratamento de doenca de planta e para fertilizacão de uma planta, para fertilizacao de uma planta, substâncias ou composicões para tratamento de uma doenca de planta e para fertilizacão de uma planta, e, uso das mesmas.
IL12774797A IL127747A0 (en) 1996-06-27 1997-06-27 Method of treating a plant disease
JP10502559A JP2000512987A (ja) 1996-06-27 1997-06-27 植物の病気の治療方法
NZ333443A NZ333443A (en) 1996-06-27 1997-06-27 Method of treating a plant disease comprising applying oxi-fulvic acid an acitve ingredient
NO986041A NO986041L (no) 1996-06-27 1998-12-22 FremgangsmÕte ved behandling av plantesykdom

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA965477 1996-06-27
ZA96/5477 1996-06-27
ZA972801 1997-04-02
ZA97/2801 1997-04-02

Publications (1)

Publication Number Publication Date
WO1997049288A1 true WO1997049288A1 (fr) 1997-12-31

Family

ID=27143359

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US1997/011127 Ceased WO1997049651A1 (fr) 1996-06-27 1997-06-25 Procede de fabrication d'une substance fertilisante liquide
PCT/GB1997/001724 Ceased WO1997049288A1 (fr) 1996-06-27 1997-06-27 Procede servant a traiter une maladie de plante

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CA (2) CA2258495A1 (fr)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000019999A1 (fr) * 1998-10-08 2000-04-13 Enerkom (Proprietary) Limited Acide fulvique et utilisation de celui-ci pour le traitement de divers etats pathologiques
AU2002300060B2 (en) * 2001-07-11 2008-07-17 The Era Farming Company Fertilizer composition including fulvic acid

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997049651A1 (fr) * 1996-06-27 1997-12-31 Organoflo (Proprietary) Limited Procede de fabrication d'une substance fertilisante liquide
JP2004189554A (ja) * 2002-12-12 2004-07-08 Kawai Hiryo Kk 有機液肥の製造方法
WO2011083131A1 (fr) * 2010-01-11 2011-07-14 Emmanouil Koukios Procédé de production de carburants à partir d'une biomasse, des charbons de qualité inférieure et des déchets, résidus et boues générés par les usines de traitement des eaux usées
CN103999603B (zh) * 2014-05-29 2016-05-25 获嘉县植保植检站 一种预防冬小麦根腐病的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377152A (en) * 1967-03-06 1968-04-09 Concho Petroleum Company Phenolics-enrichment of humus plant nutrient
GB2244215A (en) * 1990-05-25 1991-11-27 Nat Energy Council Bacteriostatic and bactericidal composition
CN1083461A (zh) * 1992-09-01 1994-03-09 梁智 复合微量元素液体肥料
EP0609168A1 (fr) * 1993-01-28 1994-08-03 Inabonos, S.A. Agent naturel de protection contre pathogènes et de stimulation de croissance pour plants

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1023585B (it) * 1974-09-30 1978-05-30 Reogiane Officine Meccaniche Processo di estrazione di sali fertilizzanti e concentrati di sostanz organiche ad alto conte nuto nutritivo da acque di scarico industriali
JPH062627B2 (ja) * 1985-08-08 1994-01-12 三井東圧化学株式会社 液体肥料の製造方法
DE3716854A1 (de) * 1987-05-20 1988-12-15 Eugen Baumgaertner Geschlossenes behaeltnis mit fluessigem gartenduenger sowie verfahren zum erzeugen und abfuellen des gartenduengers
GB2206474B (en) * 1987-07-03 1991-09-18 John Walker Fertilisers and feeds
US4960452A (en) * 1988-04-22 1990-10-02 Quali Tech, Inc. Method of supplying nutrients to plants
WO1997049651A1 (fr) * 1996-06-27 1997-12-31 Organoflo (Proprietary) Limited Procede de fabrication d'une substance fertilisante liquide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377152A (en) * 1967-03-06 1968-04-09 Concho Petroleum Company Phenolics-enrichment of humus plant nutrient
GB2244215A (en) * 1990-05-25 1991-11-27 Nat Energy Council Bacteriostatic and bactericidal composition
CN1083461A (zh) * 1992-09-01 1994-03-09 梁智 复合微量元素液体肥料
EP0609168A1 (fr) * 1993-01-28 1994-08-03 Inabonos, S.A. Agent naturel de protection contre pathogènes et de stimulation de croissance pour plants

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 9524, Derwent World Patents Index; Class C04, AN 95-179783, XP002040673 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000019999A1 (fr) * 1998-10-08 2000-04-13 Enerkom (Proprietary) Limited Acide fulvique et utilisation de celui-ci pour le traitement de divers etats pathologiques
JP2002526407A (ja) * 1998-10-08 2002-08-20 エナーコム（プロプライエタリー）・リミテッド フルボ酸、および種々の状態の処置におけるその使用
US6569900B1 (en) 1998-10-08 2003-05-27 Enerkom (Proprietary) Limited Fulvic acid and its use in the treatment of various conditions
EP1698333A1 (fr) * 1998-10-08 2006-09-06 Pfeinsmith Limited Acide fulvique et utilisation de celui-ci pour le traitement d'infetions virales
EP1700599A1 (fr) * 1998-10-08 2006-09-13 Pfeinsmith Limited Acide fulvique et utilisation de celui-ci pour le traitement d'infetions a candida
EP1700600A1 (fr) * 1998-10-08 2006-09-13 Pfeinsmith Limited Acide fulvique et utilisation de celui-ci pour le traitement d'inflammations
AU2002300060B2 (en) * 2001-07-11 2008-07-17 The Era Farming Company Fertilizer composition including fulvic acid

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IL127746A0 (en) 1999-10-28
EP0907624A4 (fr) 1999-04-28
AU3411497A (en) 1998-01-14
BR9709989A (pt) 2000-01-11
PL330925A1 (en) 1999-06-07
NZ333443A (en) 2000-04-28
TR199802702T2 (xx) 1999-05-21
AU3269197A (en) 1998-01-14
AU2754997A (en) 1998-01-22
CA2258495A1 (fr) 1997-12-31
EP0907624A1 (fr) 1999-04-14
AP9801415A0 (en) 1998-12-31
JP2000512987A (ja) 2000-10-03
NO986041L (no) 1999-02-26
IL127747A0 (en) 1999-10-28
AP9801416A0 (en) 1998-12-31
PL330926A1 (en) 1999-06-07
TR199802706T2 (xx) 1999-05-21
JP2001501899A (ja) 2001-02-13
EP0918462A1 (fr) 1999-06-02
AU726234B2 (en) 2000-11-02
WO1997049651A1 (fr) 1997-12-31
NO985999D0 (no) 1998-12-18
BR9709994A (pt) 2000-01-25
CA2258534A1 (fr) 1997-12-31
NZ333440A (en) 2000-04-28
NO986041D0 (no) 1998-12-22
NO985999L (no) 1999-02-18

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