Mycorrhizal Fungi

Product Description

Mycorrhizal Fungi

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The wonderful Myco-Gro has been reformulated and is now known as Nexus Provide,  a fine dry powder containing the species Glomus intraradices, also now named Rhizophagus irregularis at 2000 spores/gram carrier.  Glomus intraradices and Rhizophagus irregularis are the same organism, new scientific research indicated that the organism is a better fit to the Rhizophogus family, so it has been re-classified.    

Nexus Provide is approximately TEN TIMES more concentrated than Myco-Gro.  Follow the instructions or use only one tenth of your previous dose.  

Best stored at 4 to 10 dgrees C. Do not freeze. Do not allow powder to become damp during storage. Shelf life 1 year (see below).

Vesicular Arbuscular Mycorrhiza (VAM) now named Arbuscular Mycorrhizal Fungi (AMF) are fungi that grow as fine filaments which attach to the plant roots forming a pipe-life network, effectively extending the original root coverage by several hundred percent. This filament system retains and delivers moisture and nutrients supplied to the fungi by the plant. The host plant produces a larger root structure in response to stimulating compounds excreted by the fungi which are attempting to increase the available surface area to which they can attach.

AMF Mycorrhizal fungi are plant growth stimulants capable of extending the nutrient scavenging capacity of the plant on a purely physical basis, but they also release compounds which dissolve the elements prone for forming insoluble compounds - phosphorus and zinc are primary examples.

Mycorrhizal fungi improves soil structure through the release of organic glues that bind the soil particles into aggregates forming a highly desirable crumb structure.

GroundGrocer supplies AWG Mycorrhizal fungi as Nexus Pravide® a fine dry powder.  Nexus Provide® mycorrhizal fungi contains the live spore of a beneficial natural fungus that colonises the root systems of most plants, growing inside the root and out into the soil. 

Benefits of good Mycorrhizal fungi levels:

• Increased uptake and retention of water - AMF Mycorrhizal fungi improve drought tolerance and recovery.
• Improved soil structure - AMF Mycorrhizal fungi induced crumb structure may be the most significant factor in long-term plant performance and overall soil health.
• Nutrient solubilisation - exudates can unlock minerals like phosphate from frozen reserves in the soil.
• 90 % of all plants have developed some form of mycorrhizal association.
• Encourages root growth.
• Can provide protection from root rot fungi and parasitic nematodes

Some of the important crops that will benefit from VAM innoculation include: avocadoes, apples, bananas, beans, carrots, clover, citrus, corn, cotton, cucumbers, grapes, lettuce, mangoes, olives, onions, passionfruit, pawpaws, stone fruit, peanuts, potatoes, rockmelons, soybeans, strawberries, sugar cane, tomatoes, watermelons and wheat.

Improved uptake of water and nutrients
Numerous studies demonstrate that AMF fungi improve a plant’s ability to tolerate and recover from water stress (Allen et.al.1991; Amaranthus 1993; Koske et.al 1995).   The association of AMF with plant roots facilitates the uptake of nutrients such as phosphorus and trace minerals. By extending beyond the depletion zone of phosphorus around the root, the mycelium improves absorption.  AMF associated roots can transport phosphate at a rate 4 times that that of non-associated roots (Nye & Tinker, 1977). These extraction processes are particularly important in plant nutrition and partly explain why mycorrhizal symbiosis improves plant growth (Gemma and Koske 1989; Sylvia and Burks 1988; Hall et. al. 1984). 

Application

Nexus Provide® inoculant must come into contact with the growing root to be effective.
Nexus Provide® can be applied as a dry powder, mixed with water and sprayed onto soil around the plant, coated onto the seed, or by water injection.  Soil surface application needs to be watered into the root zone.
 
Vegetables:
In an 18 to 30 millilitre cell-seedling tray, apply to seed or the potting mix before germination at 0.1 gram of powder per 10 to 12 seedling cells (198 cell tray requires 20 grams of powder).  Product can be mixed with water and evenly watered over the tray or mixed with the potting mix prior to planting.

Mix into Bulk Potting Mixes:
Mixing into planting soil before potting – 5 grams per 25 litre bag of potting mix.  For commercial applications to seedlings, aim to apply 10 to 20 spores per individual germinating plant.  Product contains 2000 spores / gram.

Strawberries and Tomatoes:
For freshly transplanted small plants apply greater than 25 spores per plant.

Seed coating for broad-acre application:
Mix the fine powder directly over seed at a rate to apply between 35 grams and 100 grams per hectare.  Dampen seed with a fine mist of 10% sugar solution before or while mixing in the powder.  Apply no more than 3 litres of solution per ton of seed for large size seed (grain legumes, cereals) and up to 1 litre per100 kg for small seed (clover, lucerne, ryegrass).  Do not wet the seed so it sticks together.  Do not store treated seed, plant immediately.

Storge instructions:
standard manufucturer expiry date is 12 months, as we have no control on how it is stored. However, Nexus Provide could be kept for up to 2 years if stored in the right conditions
Seal bag after use to avoid air humidity contaminating the spores, stored away from direct heat and excessive ambient temperatures.

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