NEW PHYTOCASSANE EL AND RICE DISEASE CONTROLLING AGENT

• Main Authors: KOGA JINICHIRO, YAMAUCHI TOYOZO, SHIMURA MASARU, OGASAWARA NAGAHIRO
• Format: Patent
• Language: English
• Published: 14.01.1997
• Edition: 6
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; AGRICULTURE; ANIMAL HUSBANDRY; BEER; BIOCHEMISTRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; ENZYMOLOGY; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; ORGANIC CHEMISTRY; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; PROCESSES USING MICROORGANISMS; SPIRITS; TRAPPING; VINEGAR; WINE

PURPOSE: To obtain the subject new compound having activity derivatizing production of phytoalexin into rice and having antimicrobe against rice blast disease and sheath blight by adding fungal cell extract of rice blast disease to a liquid culture solution of rice callus. CONSTITUTION: This phytocassane EL is obtained by adding a fungal cell extract of pathogenic fungus of rice blast disease or potato late blight to liquid culture solution of rice callus to produce phytocassane EL of the formula and separating the resultant substance. The substance has the following properties. Color and appearance, colorless gum-like substance; solubility, soluble in acetone, chloroform, methanol and ethanol and dissolvable in water at a concentration of about 100ppm; molecular weight, 316.2062.