Glomus iranicum var. tenuihypharum var. nov. strain and use thereof as biostimulant

Abstract

Glomus iranicum var. tenuihypharum var. nov. strain deposited under BCCM deposit number 54871, comprising the sequence identified by SEQ ID NO: 1; composition comprising said strain and 2:1 smectite clays and use thereof as bio-stimulant. The invention also discloses a composition comprising said strain, fungicides, bio-fungicides, insecticides, bio-insecticides, nematicides and bio-nematicides.

1 .  Glomus iranicum  var.  tenuihypharum  var. nov. strain deposited under BCCM deposit number 54871, comprising the sequence identified by SEQ ID NO: 1. 
     
     
         2 . Composition comprising a strain of  Glomus iranicum  var.  tenuihypharum  var. nov. deposited under BCCM deposit number 54871 comprising the sequence identified by SEQ ID NO: 1 and 2:1 smectite clays. 
     
     
         3 . Composition according to  claim 2 , wherein said 2:1 smectite clays are dioctahedral or trioctahedral. 
     
     
         4 . Composition according to  claim 2 , wherein said 2:1 smectite clays are selected from the group consisting of sepiolite, attapulgite, nontronite and saponite. 
     
     
         5 . Composition according to  claim 2 , wherein the concentration of said  Glomus iranicum  var.  tenuihypharum  var. nov. strain is between 0.05 and 4% by weight. 
     
     
         6 . Composition according to  claim 5 , wherein said concentration is between 0.1 and 3% by weight. 
     
     
         7 . Composition according to  claim 2 , wherein the form of presentation of said composition is powder, emulsifiable concentrate or granules. 
     
     
         8 . Composition according to  claim 2 , wherein said composition is a liquid, a solid or a gel. 
     
     
         9 . Composition according to  claim 2 , wherein it comprises at least one fungicide, at least one bio-fungicide, at least one insecticide, at least one bio-insecticide, at least one nematicide and/or at least one bio-nematicide. 
     
     
         10 . Composition according to  claim 9 , wherein said fungicide is selected from the group consisting of Maneb, Mancozeb, Metalaxyl-Ridomil, Myclobutanil, Olpisan, Propamocarb, Quintozene, Streptomycin, Sulfur, Thiophanate-methyl, Thiram, triforine, Vinclozolin, Zinc white, Zineb, Ziram, Banrot, Fixed copper, Chlorothalonil, Chlorothalonil, Captan, Chloroneb, Cyproconazole, Zinc ethelene, bisdithiocarbamate, Etridiazole, Fenaminosulf, Fenarimol, Flutolanil, Folpet, Fosetyl-AL and Iprodione. 
     
     
         11 . Composition according to  claim 9 , wherein said fungicide is selected from the group consisting of  Trichodermas  sp,  Bacillus subtilis, Bacillus licheniformis, Bacillus pumilus, Bacillus amyloliquefaciens, Streptomyces  sp,  Coniothyrium minitans  and  Pythium oligandrum.    
     
     
         12 . Composition according to  claim 9 , wherein said insecticide is selected from the group consisting of organophosphate, carbamate and neonicotinoid. 
     
     
         13 . Composition according to  claim 9 , wherein said bio-insecticide is selected from the group consisting of  Bacillus  sp.  Chromobacterium  sp.,  Beauveria  sp. and  Metarhizium  sp. 
     
     
         14 . Composition according to  claim 9 , wherein said nematicide is organophosphate or carbamate. 
     
     
         15 . Composition according to  claim 9 , wherein said bio-stimulant is  Pasteuria  sp. 
     
     
         16 . Method for obtaining a composition according to  claim 2 , comprising:
 (a) coating inoculation of a seed of a host plant with the  Glomus iranicum  var.  tenuihypharum  var. nov. strain deposited under BCCM deposit number 54871,   (b) cultivating said plant in watering cycles of between 7 to 10 days on a reproduction substrate comprising smectite clays in a percentage above 52% of the total weight of said substrate,   (c) discontinuing said watering for a period equal to or greater than 20 days,   (d) removing the aerial part of the plant and removing the substrate and;   (e) milling said substrate below 80 microns at a temperature between 25 and 30° C. to obtain said composition.   
     
     
         17 . A biostimulant comprising the composition according to  claim 2 . 
     
     
         18 . A method of treating a plant comprising applying the composition according to  claim 17 , wherein said composition is applied to the plant by means of seed treatment, root treatment, roots embedded in an emulsion, addition to irrigation water, irrigation, application of powder to the root system or application of emulsion injected into the root system.