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Method of using polysaccharides to stabilize microorganisms for inoculating plant seeds

  • US 5,292,507 A
  • Filed: 09/14/1992
  • Issued: 03/08/1994
  • Est. Priority Date: 08/01/1986
  • Status: Expired due to Term
First Claim
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1. A method for maintaining a microorganism comprising the steps of:

  • (i) selecting a microorganism selected from the group consisting of Serratia, Arthrobacter, Azospirillium, Rhizobium, Bacillus, Pseudomonas fluorescens and Pseudomonas putida which has a beneficial effect on growth or yield of a plant;

    (ii) providing a solution comprising about 0.01% to about 20% of a substantially soluble, non-crosslinked polysaccharide having no more than about 10% of crosslinking;

    (iii) preparing a suspension of said microorganism;

    (iv) mixing the suspension of the microorganism with the polysaccharide solution to form a pourable composition which, at 4°

    C.-30°

    C., is a liquid, said composition comprising from about 0.005% to about 10% by weight of the non-crosslinked polysaccharide; and

    (v) storing the composition.

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