MX2021010008A - Composiciones agricolas para uso en el control y/o tratamiento de enfermedades del tejido vascular en plantas. - Google Patents

Composiciones agricolas para uso en el control y/o tratamiento de enfermedades del tejido vascular en plantas.

Info

Publication number
MX2021010008A
MX2021010008A MX2021010008A MX2021010008A MX2021010008A MX 2021010008 A MX2021010008 A MX 2021010008A MX 2021010008 A MX2021010008 A MX 2021010008A MX 2021010008 A MX2021010008 A MX 2021010008A MX 2021010008 A MX2021010008 A MX 2021010008A
Authority
MX
Mexico
Prior art keywords
plants
controlling
agricultural compositions
vascular tissue
treating disease
Prior art date
Application number
MX2021010008A
Other languages
English (en)
Inventor
Paulo Sergio Berg
Luis Carlos Caldeira Cavalcante
Marlon Assunção
Original Assignee
Oro Agri 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 Oro Agri Inc filed Critical Oro Agri Inc
Publication of MX2021010008A publication Critical patent/MX2021010008A/es

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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • 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
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
    • A01N31/16—Oxygen or sulfur directly attached to an aromatic ring system with two or more oxygen or sulfur atoms directly attached to the same aromatic ring system
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
    • 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
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/20—Fabaceae or Leguminosae [Pea or Legume family], e.g. pea, lentil, soybean, clover, acacia, honey locust, derris or millettia
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/36—Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C05D9/02—Other inorganic fertilisers containing trace elements
    • 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
    • C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
    • 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
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
    • A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
    • A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
    • 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
    • A01N59/02—Sulfur; Selenium; Tellurium; Compounds thereof
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Dentistry (AREA)
  • Zoology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Mycology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Cultivation Of Plants (AREA)

Abstract

Esta invención se refiere a composiciones agrícolas y/o adyuvantes y/o mezclas de tanques incluyendo ácido tánico para controlar y/o tratar y/o revertir síntomas de enfermedades o deficiencias relacionadas con las plantas, particularmente con tejidos vasculares y otros en las plantas. La invención también incluye métodos para controlar y/o tratar enfermedades vasculares en plantas.
MX2021010008A 2019-02-19 2020-02-19 Composiciones agricolas para uso en el control y/o tratamiento de enfermedades del tejido vascular en plantas. MX2021010008A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962807654P 2019-02-19 2019-02-19
PCT/IB2020/051399 WO2020170170A1 (en) 2019-02-19 2020-02-19 Agricultural compositions for use in controlling and/or treating disease of vascular tissue in plants

Publications (1)

Publication Number Publication Date
MX2021010008A true MX2021010008A (es) 2022-01-31

Family

ID=72143497

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021010008A MX2021010008A (es) 2019-02-19 2020-02-19 Composiciones agricolas para uso en el control y/o tratamiento de enfermedades del tejido vascular en plantas.

Country Status (9)

Country Link
US (1) US20220095616A1 (es)
EP (1) EP3937641A4 (es)
JP (1) JP7223869B2 (es)
CN (1) CN113727607B (es)
AU (1) AU2020224396B2 (es)
BR (1) BR112021016319A2 (es)
MX (1) MX2021010008A (es)
PE (1) PE20212252A1 (es)
WO (1) WO2020170170A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230284625A1 (en) * 2022-03-14 2023-09-14 Denka Company Limited Method for cultivating citrus plant
JP2023134373A (ja) * 2022-03-14 2023-09-27 デンカ株式会社 柑橘類植物を栽培する方法及び柑橘類植物栽培用液体組成物

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673687A (en) * 1983-04-22 1987-06-16 Source Technology Biologicals, Inc. New chemotherapeutic agents for the control of plant and animal diseases
US4544666A (en) * 1983-04-22 1985-10-01 Phyton/Ag, Inc. Chemotherapeutic agents for the control of plant diseases
JP2003171217A (ja) * 2001-09-28 2003-06-17 Jukankyo Kojo Jumoku Seibun Riyo Gijutsu Kenkyu Kumiai 線虫防除剤及び土壌活性化剤
US8629086B2 (en) * 2007-02-06 2014-01-14 Oro Agri, Inc. Compositions and methods for the control of nematodes and soil borne diseases
WO2012081420A1 (ja) 2010-12-14 2012-06-21 国立大学法人広島大学 カンキツグリーニング病の治療液及びこれを用いた治療方法
CU23949B1 (es) 2011-02-28 2013-10-29 Ct De Ingeniería Genética Y Biotecnología Método para la prevención o tratamiento de la enfermedad huanglongbing
US9949490B2 (en) * 2014-07-02 2018-04-24 Ralco Nutrition, Inc. Agricultural compositions and applications utilizing essential oils
CN104381251B (zh) * 2014-10-31 2016-04-27 山东农业大学 一种以单宁酸的金属离子螯合物作为囊壁的农药微胶囊及其制备方法
CU24371B1 (es) 2015-07-31 2018-11-06 Ct Ingenieria Genetica Biotecnologia Composición para el tratamiento de las enfermedades de plantas
US20170055534A1 (en) * 2015-08-25 2017-03-02 Phyton Corporation Process for treating plants to control bacterial and fungal growth
CN106561717A (zh) * 2015-10-12 2017-04-19 成都新朝阳作物科学有限公司 一种防治姜瘟病的农药及其制备方法
KR101873359B1 (ko) * 2015-11-27 2018-07-02 주식회사 비아이지 천연물을 유효성분으로 함유하는 광범위 식물 세균병 방제용 조성물 및 이의 용도
CN108056971A (zh) * 2016-11-08 2018-05-22 宋德强 补水润肤防晒霜
US20190029250A1 (en) * 2017-06-19 2019-01-31 Keith DeSanto Preventing and destroying Citrus Greening and Citrus Canker using Rhamnolipid
CN108935456A (zh) * 2018-07-06 2018-12-07 青岛日晟源作物营养有限公司 一种农药增效剂及其在除草组合物、杀虫组合物和杀菌组合物中的应用
CN110747072B (zh) * 2019-11-21 2021-08-17 中南林业科技大学 一种环保型汽车洗涤剂

Also Published As

Publication number Publication date
JP2022536570A (ja) 2022-08-18
WO2020170170A1 (en) 2020-08-27
CN113727607A (zh) 2021-11-30
EP3937641A1 (en) 2022-01-19
AU2020224396A1 (en) 2021-10-07
BR112021016319A2 (pt) 2021-10-26
AU2020224396B2 (en) 2023-12-21
US20220095616A1 (en) 2022-03-31
JP7223869B2 (ja) 2023-02-16
CN113727607B (zh) 2023-07-25
PE20212252A1 (es) 2021-11-24
EP3937641A4 (en) 2023-06-14

Similar Documents

Publication Publication Date Title
MX2010006519A (es) Metodo para tratar una fractura de hueso con anticuerpos anti-esclerostina.
WO2008150490A3 (en) Uses and compositions for treatment of psoriasis and crohn's disease
WO2015009991A8 (en) Methods, systems, and compositions for promoting bone growth
MX2020007060A (es) Compuestos, composiciones y metodos para tratar enfermedades que involucren tejidos con enfermedades acidas o hipoxicas.
DE502005010615D1 (de) Mittel zur behandlung von entzündlichen erkrankungen
DE602007004615D1 (de) Flibanserin zur behandlung von harninkontinenz und assoziierten erkrankungen
EA201891507A1 (ru) Кислая альфа-глюкозидаза усиленного действия для лечения болезни помпе
HK1205677A1 (en) Mesenchymal stem cells and uses therefor
MX2021010008A (es) Composiciones agricolas para uso en el control y/o tratamiento de enfermedades del tejido vascular en plantas.
RU2018124487A (ru) Лечение внутрипеченочного холестаза и родственных заболеваний печени
EP4295906A3 (en) Treatment of restenosis using temsirolimus
MX2019013137A (es) Metodos y composiciones para tratar enfermedades oculares alergicas.
NZ610400A (en) Antimicrobial protein
WO2018060528A3 (en) Therapeutic protein
ATE553760T1 (de) Verwendung von alverin zur behandlung von hauterkrankungen
MX2022002414A (es) Composiciones y métodos de control patogénico.
MX2022009435A (es) Composiciones y metodos para el tratamiento de enfermedades oculares.
MX2021003123A (es) Isomeros rotomericos de 4-alquil-5-heteroaril-3h-1,2-ditiol-3-tion as.
EA202290027A1 (ru) Способы и композиции для улучшения результатов лечения пациентов с раком
WO2019055776A3 (en) Compositions and methods for treatment of diseases involving cxcl1 function
WO2018176066A3 (en) Cord blood therapy to treat chronic disease caused by l-form bacteria
WO2016066722A3 (en) Bacteriophage combinations for human or animal therapy
MX2020002206A (es) Factor de crecimiento de fibroblastos 21 (fgf-21) modificado para usarse en metodos para tratar la esteatohepatitis no alcoholica (nash).
MX2023009151A (es) Composiciones para el tratamiento de afecciones y enfermedades asociadas con la expresion de policistina.
WO2021011875A8 (en) Compositions and methods for treating skin conditions