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what about reading the text on the package? It should be something in the genus Glomus or Gigaspora. You better do a web search, as far as I remember, these ones are almost impossible to cultivate on agar. Often these mycorrhizal inoculants contain spores from several species, including Aspergillus and Trichoderma, which are of course not mycorrhizal, but opponents of dangerous fungi, like Fusarium species.
I once read about multiplying Glomus species by inoculating pasteurized soil with marigold (Tagetes) seedlings, where the growing root tips would cause spore germination and mycelium growth, ending up in formation of mycorrhiza and production of new spores.
Glomus mosseae is one of the most researched endomycorrhizal fungi. Numerous studies have determined the importance of G. mosseae in:
Nitrogen and phosphorous uptake Enzyme activity to access micro nutrients Nematode control Root stimulation Improved performance of woody perennials Control of pathogenic fungi
Studies have determined the importance of the endomycorrhizal fungus G. aggregaturn in:
Improved plant performance in sandy soils Control of root rots Effective colonization with time release fertilizers Tolerance of high fertility levels Improved performance of Palms, Fruit trees.
Glomus intraradices is the most widespread and researched endomycorrhizal fungi. Numerous studies have determined the importance of G. intraradices in:
Phosphorous uptake Nematode control Can access organic forms of nitrogen and phosphorous Improved growth and performance of turf grasses, agricultural crops and citrus Control of fusarium Drought protection
Pisolithus is a ectomycorrhizal genus that is widespread across an array of diverse habitats and host plants. We use a blend of 5 ecotypes in our mycorrhizal formulations which assures rapid mycorrhizal formations across a variety of environmental conditions. Documented benefits include:
Rapid early growth of inoculated tree species Increased short root production Tolerant of hot, dry conditions Amelioration of heavy metal toxicity Inhibits soil pathogen growth and plant infection Benefits plants in disturbed environments
Rhizopogon spp is a truffle species that has numerous special qualities important in a soil inoculation program. Rhizopogon targets a wide range of ectomycorrhizal tree and shrub species.
Rhizopogon is a large mycorrhizal genus that occurs on both young and old plants, in diverse habitats and are present on every continent but Antarctica. This ecological amplitude was recognized early in the 20th century when Rhizopogon species were observed as dominant ectomycorrhizal fungi in exotic plantings. Rhizopogon occurs naturally across the United States, in Mexico, Japan, China, Europe and North Africa. Numerous factors make Rhizopogon a prime candidate for soil inoculation programs both nationally and internationally. Functional activities that benefit performance include:
Defends against diseases Promotes soil structure Tolerant of cold soil temperatures Tolerant of a broad pH range High levels of enzyme activity benefiting nutrient acquisition Can utilize organic forms of nitrogen Protects seedlings against moisture stress Promotes successful plant establishment and growth Consequently, Rhizopogon has been the focus of considerable application research. The ease, viability and effectiveness of spore inoculation are well documented. The low-cost nature of spore inoculation and the improved outplanting performance of Rhizopogon inoculated plants is driving increased use of Rhizopogon in practice. Nearly 200 scientific papers have been published on Rhizopogon and this important body of information is now being put to practical use.
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