WO2001028334A1 - Compositions fongicides pour plantes, qui renferment du phosphonate et des sels de phosphate et des derives de ces derniers - Google Patents

Compositions fongicides pour plantes, qui renferment du phosphonate et des sels de phosphate et des derives de ces derniers Download PDF

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Publication number
WO2001028334A1
WO2001028334A1 PCT/US2000/026666 US0026666W WO0128334A1 WO 2001028334 A1 WO2001028334 A1 WO 2001028334A1 US 0026666 W US0026666 W US 0026666W WO 0128334 A1 WO0128334 A1 WO 0128334A1
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WO
WIPO (PCT)
Prior art keywords
salt
solution
potassium
phosphonate
hpo
Prior art date
Application number
PCT/US2000/026666
Other languages
English (en)
Inventor
John B. Taylor
Original Assignee
Foliar Nutrients, Inc.
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 Foliar Nutrients, Inc. filed Critical Foliar Nutrients, Inc.
Priority to AU77282/00A priority Critical patent/AU7728200A/en
Publication of WO2001028334A1 publication Critical patent/WO2001028334A1/fr

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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
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/26—Phosphorus; Compounds thereof

Definitions

  • the present invention is broadly concerned with fungicidal compositions, and
  • compositions and methods of use of the invention include fimgicidally
  • both phosphate preferably in the form of either mono or dipotassium
  • phosphate KH 2 PO 4 , K 2 HPO 4
  • phosphonate preferably in the form of either mono or
  • Phosphorus is an essential major element in plant nutrition because it governs the
  • ADP adenosine diphosphate
  • ATP adenosine triphosphate
  • the element phosphorous appears in two general forms that concern the present
  • phosphite means the salts (organic or inorganic) of either phosphonic acid or phosphorous acid.
  • Phosphonic and phosphorous acids have the formula H 3 PO 3 and a molecular weight of 82.00. Their structures from the International Union of Pure and
  • phosphate means the salts (organic or inorganic) of phosphoric acid
  • organophosphorous derivatives as possessing systemic and contact fungistatic and fungicidal activity; U.S. Patent Nos. 4,698,334 and 4,806,445 and 5,169,646 to Horriere et al., describing
  • the phosphonate induced stimulation of the phytoimmune system is triggered by the induction
  • mycorrhizal fungi and further promote bacterial and fungical growth in the rhizosphere,
  • Phosphates have also been considered to be a competitive inhibitor for phosphonate assimilation, thus inhibiting the ability of phosphonates to protect against fungus attack. See,
  • anti-fungicidal composition for plants that contains, as active ingredients, fimgicidally effective
  • an object of present invention is to provide a fungicidal composition for protection
  • Another object of the invention is to provide such anti-fungal protection with a single
  • a further object of the invention is to provide a method of treating plants and to provide
  • a yet further object of the invention is to provide an anti-fungal composition for treating
  • anti-fungicidal compositions for the protection of plants, especially citrus and fruit trees and vines against fungus attack preferably contain as an active material a
  • composition preferably comprises an aqueous solution wherein each salt is present
  • the amount of the first salt is one part by
  • the amount of the second salt is between 0.001 and 1,000 parts by weight.
  • Phosphonate salts useful in the practice of the invention also include those organic and
  • the HC1 is removed by stripping under reduced pressure and the phosphonic acid (H 3 PO 3 ) is sold
  • the phosphonic acid is then neutralized in aqueous solution by potassium hydroxide
  • K HPO Potassium Phosphate
  • K-Phos by Foliar Nutrients, Inc., Cairo, GA 31724 KH 2 PO 4 + KOH > K 2 HP0 4 + H 2 0 with a product density of 1.394 at 20 °C and a solution pH of 7.6 producing a 0-18-20 analysis.
  • KH 2 PO,/K HPO 1 Solution Varying amounts of each compound (K 2 HPO 3 ;KH 2 PO 3 ; K 2 HPO 4 ; or KH 2 PO 4 ) in aqueous solution are combined at rates ranging from 20 millimole to 5% vol./vol., depending on crop host and the pathogen complex and level of infection.
  • the preferable method of application is foliar, either by ground or aerial equipment, but is not limited to that method alone. Injection or soil applications, for example, could also be efficacious depending on specific crops and pathogens.
  • compositions have utility on fruit crops, agronomic crops, ornamentals, trees, grasses, vegetables, grains, and floricultural crops, as well as, some aquatic crops including water cress.
  • the fungicidal properties of the compounds according to the invention are various, but are particularly interesting in the case described in the following examples:
  • Examples 1-5 exemplify a portion of these applications.
  • fungicidal treatments were applied to ornamentals, citrus and vegetables.
  • treatments were applied as a one gallon solution by a back pack sprayer, maintained at about 60 psi, in sufficient quantities of water to achieve thorough coverage. All treatments were applied to the appropriate number of experimental units assigned in a randomized complete block (RCB) design replicated four times.
  • Example #5 was a pre-harvest fungicidal spray evaluation on "Nova” tangelos. As used in the examples, “percent infection” means percent of leaves that exhibit fungus lesions. "Phytotoxicity” means number crop injury to leaves that fell off the plant following the
  • the Ascomycete fungi were the subjects of testing in Examples 1 through 5 and are all
  • the inventive composition that combine potassium phosphate and potassium phosphonate showed a complete elimination of the pathological acerbation phenomenon, and in
  • Example No. 2 the inventive compositions were tested for effectiveness against the inventive compositions
  • Example No. 2 an average of ten 3 -gallon plots per experimental unit with 4 repetitions in a
  • Example No. 3 the inventive composition was tested for effectiveness in citrus trees
  • % Y.L.D means percent young leaf drop
  • Y.F.D means percent young fruit drop. %Y.L.D. and %YF.D. were determined by examining
  • compositions were applied were March 21, 1996.
  • the compositions were rated on April 2, 1996.
  • %Y.L.D. and %Y.F.D. increased from 6.2 and 1.5 to 23.9 and 37.9, respectively, indicating pathological acerbation of
  • compositions were single rows X 25 feet X 4 repetitions in a RCB design. The dates that compositions
  • phosphate improved the extent of infection from that otherwise occurring in the control carrots.
  • Example No. 4 Also shown in Example No. 4 is a comparison of the effectiveness of the inventive
  • composition to other fungicides, including Cu-Alexin and Fe-Alexin.
  • the inventive composition is as effective as other well known fungicides, but without being as
  • Example No. 5 Twenty-two fruits, each from five nova tangelo trees, were randomly
  • the fruits were scuffed with an emery board and then sprayed with the
  • infection is the mean of scores from 22 fruit.
  • compositions for controlling Phycomycete and
  • Ascomycete fimgi diseases in plants may also contain phosphate and phosphonate compounds
  • R is selected from group consisting of H, K, an alkyl radical containing from 1
  • R 2 and R 3 are selected from a group consisting of H and K;
  • Me is selected from a group consisting of K, alkaline earth metal cations, aluminum atom; ammonium cation; and
  • n is a whole number from 1 to 3, equal to the valence of Me.
  • inventive compositions will have biocidal and
  • arthropod pest control activity and also have fertilizer effects, in plants.
  • fertilizer effects in plants.

Landscapes

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

Abstract

L'invention concerne une composition fongicide pour plantes qui renferme du phosphonate et des sels de phosphate, et des dérivés de ces derniers. La composition fournit un seul produit qui peut être utilisé pour éliminer des champignons parasites des plantes par atténuation de l'acidification pathologique de certains champignons.
PCT/US2000/026666 1999-10-15 2000-09-28 Compositions fongicides pour plantes, qui renferment du phosphonate et des sels de phosphate et des derives de ces derniers WO2001028334A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU77282/00A AU7728200A (en) 1999-10-15 2000-09-28 Fungicidal compositions for plants containing phosphonate and phosphate salts, and derivatives thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41881399A 1999-10-15 1999-10-15
US09/418,813 1999-10-15

Publications (1)

Publication Number Publication Date
WO2001028334A1 true WO2001028334A1 (fr) 2001-04-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/026666 WO2001028334A1 (fr) 1999-10-15 2000-09-28 Compositions fongicides pour plantes, qui renferment du phosphonate et des sels de phosphate et des derives de ces derniers

Country Status (2)

Country Link
AU (1) AU7728200A (fr)
WO (1) WO2001028334A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004011394A1 (fr) 2002-07-25 2004-02-05 Rotem Amfert Negev Ltd. Composition agrochimique contenant du phosphite et procede de preparation de celle-ci
EP2288262A1 (fr) * 2008-04-22 2011-03-02 Bayer Cropscience LP Procédés de traitement d'agrumes pour réduire les infections bactériennes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1935599A (en) * 1930-11-13 1933-11-14 Laucks Lab Inc Method of retarding the development of decay due to mold growth on fruits and vegetables after harvesting
US4119724A (en) * 1973-11-26 1978-10-10 Pepro Fungicidal compositions containing phosphorous acid and derivatives thereof
US4698334A (en) * 1977-01-14 1987-10-06 Rhone-Poulenc Agrochimie Fungicidal compositions based on alkyl phosphites
US5206228A (en) * 1991-10-29 1993-04-27 Rhone-Poulenc Ag Company Control of arthropod pests with phosphorous acid and mono-esters and salts thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1935599A (en) * 1930-11-13 1933-11-14 Laucks Lab Inc Method of retarding the development of decay due to mold growth on fruits and vegetables after harvesting
US4119724A (en) * 1973-11-26 1978-10-10 Pepro Fungicidal compositions containing phosphorous acid and derivatives thereof
US4698334A (en) * 1977-01-14 1987-10-06 Rhone-Poulenc Agrochimie Fungicidal compositions based on alkyl phosphites
US5206228A (en) * 1991-10-29 1993-04-27 Rhone-Poulenc Ag Company Control of arthropod pests with phosphorous acid and mono-esters and salts thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004011394A1 (fr) 2002-07-25 2004-02-05 Rotem Amfert Negev Ltd. Composition agrochimique contenant du phosphite et procede de preparation de celle-ci
EP2288262A1 (fr) * 2008-04-22 2011-03-02 Bayer Cropscience LP Procédés de traitement d'agrumes pour réduire les infections bactériennes
EP2288262A4 (fr) * 2008-04-22 2012-11-21 Bayer Cropscience Lp Procédés de traitement d'agrumes pour réduire les infections bactériennes
US8546360B2 (en) 2008-04-22 2013-10-01 Bayer Cropscience Lp Method of treating citrus plants to reduce bacterial infections
AU2009238545B2 (en) * 2008-04-22 2015-04-02 Bayer Cropscience Aktiengesellschaft Method of treating citrus plants to reduce bacterial infections

Also Published As

Publication number Publication date
AU7728200A (en) 2001-04-30

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