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Title:
USE OF DICARBOXYLIC ACID COMPOUNDS FOR CONTROLLING PLANT DISEASES
Document Type and Number:
WIPO Patent Application WO/2020/253077
Kind Code:
A1
Abstract:
Disclosed is the use of a dicarboxylic acid compound for controlling plant diseases by fungi and oomycetes, wherein a dicarboxylic acid compound is selected from compounds of formulas (I), (II), (III) and (IV), as well as isomers, hydrates or salts thereof. The dicarboxylic acid compounds have remarkably inhibitory activity against appressorium formation by fungi or oomycetes, and therefore, can be used for controlling diseases, such as rice blast, anthracnose, downy mildew, phytophthora blight, gray mold, etc., with no obvious phytotoxicity and good safety. Compared with fungicides currently used for controlling plant diseases such as rice blast, anthracnose, downy mildew, phytophthora blight, gray mold, etc., the dicarboxylic acid compounds have characteristics such as good preventive effect, environmental friendliness, non-toxicity, low residue, and safety.

Inventors:
PENG YOULIANG (CN)
ZHANG XI (CN)
GUO HONGCHAO (CN)
LAI DAOWANG (CN)
NI HANWEN (CN)
DOU DAOLONG (CN)
WANG XIAODAN (CN)
Application Number:
PCT/CN2019/119065
Publication Date:
December 24, 2020
Filing Date:
November 18, 2019
Export Citation:
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Assignee:
UNIV CHINA AGRICULTURAL (CN)
International Classes:
A01N37/04; A01N37/06; A01P3/00
Foreign References:
CN101412971A2009-04-22
CN105309503A2016-02-10
Other References:
GILBERT R. D. ET AL.: "Chemical signals responsible for appressorium formation in the rice blast fungus Magnaporthe grisea", PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY, vol. 48, 31 December 1996 (1996-12-31), pages 335 - 346, XP055766695, DOI: 20200308082925X
WANG CHUNLIN ET AL.: "Relationship between cutinmonomers and tomato resistance to powdery mildew infection", PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY, vol. 57, 31 December 2000 (2000-12-31), pages 55 - 61, XP029577730, DOI: 20200308083257X
EILBERT FRANK ET AL.: "Fatty Acids and Their Derivatives as Modulators of Appressorium Formation in Magnaporthe grisea", BIOSCIENCE, BIOTECHNOLOGY, AND BIOCHEMISTRY, vol. 63, no. 5, 22 May 2014 (2014-05-22), pages 879 - 883, XP055766698, DOI: 20200308083430X
THINES ECKHARD ET AL.: "Inhibitors of appressorium formation in Magnaporthe grisea: a new approach to control rice blast disease", PEST MANAGEMENT SCIENCE, vol. 54, no. 3, 26 March 1999 (1999-03-26), pages 314 - 316, XP055766708, DOI: 20200308083850X
PODILA GOPI KRISHNA ET AL.: "Chemical Signals from Avocado Surface Wax Trigger Germination and Appressorium Formation in Colletotrichum gloeosporioides", PLANT PHYSIOL., vol. 103, 31 December 1993 (1993-12-31), pages 267 - 272, XP055766713, DOI: 20200308084110X
SCHWEIZER P. ET AL.: "Induction of resistance in barley against Erysiphe graminis f.sp. hordei by free cutin monomers", PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY, vol. 49, 31 December 1996 (1996-12-31), pages 103 - 120, XP055185099, DOI: 20200308084407A
Attorney, Agent or Firm:
BEIJING YINGTUO INTELLECTUAL PROPERTY LAWFIRM (CN)
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