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Patent Searching and Data


Title:
METHOD FOR PRODUCING MICROORGANISM HERBICIDE FOR REMOVING ELEOCHARIS KUROGUWAI OHWI AND PRODUCTION MEDIUM THEREFOR
Document Type and Number:
Japanese Patent JPH06227929
Kind Code:
A
Abstract:

PURPOSE: To massively produce a microorganism herbicide effective for controlling Eleocharis kuroguwai Ohwi which is a strongly injurious weed in paddy fields.

CONSTITUTION: Nimbya scirpicola-K-004 (FERM P-11495) is cultured in a liquid medium at an initial pH of 7.5-10, preferably approximately 8, at 18-35°C, preferably 20-27°C, (for 6-8 days for a vibration culture, or for 4-6 days for an aeration culture), and the produced bacterial cells are fractionated with a homogenizer, a single refiner, etc., to provide the microorganism herbicide for controlling the Nimbya scirpicola-K-004. As the liquid medium, there is used a medium properly containing a carbon source, a nitrogen source, inorganic substances and required growth and production-stimulating substances which can be utilized by the K-004 bacteria, and further validamycin A preferably in a concentration of 10-1000ppm.


Inventors:
SAWAJI SEISHI
HONDA MINORU
Application Number:
JP1490793A
Publication Date:
August 16, 1994
Filing Date:
February 01, 1993
Export Citation:
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Assignee:
JAPAN TOBACCO INC
International Classes:
A01N63/00; C12N1/14; C12R1/645; (IPC1-7): A01N63/00; C12N1/14
Attorney, Agent or Firm:
平木 祐輔 (外2名)