Symborg’s fungus in the Journal of Agricultural Science

19 février 2018

The scientific study evaluated Symborg’s Glomus and demonstrated its superiority

The Journal of Agricultural Science and Technology republished various research studies reporting on the effectiveness as a phyto-fortifier of the fungus discovered and patented by the company, Glomus iranicum var tenuihypharum.

The published studies demonstrated that this microorganism improves the physiological state of the plants and their production yields with increases in the harvest of up to 45%.  The journal selected a series of scientific studies that evaluated the efficacy of this arbuscular mycorrhizal fungus on various types of crops: lettuce, table grapes, tomato, rice, strawberry, ornamental plants, etc. and in various types of soils and conditions. The results were compared with other similar fungi that showed very much poorer performance in their ability to colonise the roots and adapt to all types of environmental conditions, and so had a lower potential for improving productive crop yields.

The publication compiled the results of various studies and field work performed by the company together with public research centres and universities in 19 crops and in plantations located in various countries and different conditions: hydroponic culture, open-air greenhouse, various soil types, etc. The results depended on the previous state of the soil, fertilisation protocols used, etc. but treatment with Glomus iranicum var tenuihypharum enabled production improvements in all cases. The most common increases in production were between 8% and 20% but not infrequently, harvests were increased by over 30%. This was the case for a trial on rice performed in Spain where there was a 52% increase in production and an application on blueberries performed in Tunisia where there was a 33% increase in production.  (See figure with data in other crops).

Situations of stress

The study also highlights the ability of Glomus iranicum var tenuihypharum to maintain its effectiveness in saline soils with high pH values. Several trials evaluated the ability of Symborg’s fungus to help plants nourish themselves, even in conditions of stress due to alkaline soils or irrigation with highly saline wastewater.  The published studies demonstrate the ability of the fungus to relieve saline stress in lettuce crops and to improve the physiological activity of ornamental plants irrigated with highly saline wastewater.

Scientific studies evaluated the differences observed  in plants inoculated with this arbuscular mycorrhizal fungus on all types of parameters: nutrient absorption (nitrogen, phosphorus, calcium, potassium, sodium, iron, manganese, etc.), water use efficiency, photosynthesis rate, biomass increase, productive yield improvements in terms of the amount of fruit and also in their quality, degrees Brix, etc.

All the tests were performed by inoculating plants with various products based on this fungus that are marketed by the company: MycoUp and MycoUp Active (applied by dissolution in irrigation water),  Resid HC (for coating seeds) and Resid MG (microgranulate for direct application at sowing time). The choice of product is determined as a function of the recommended method of inoculation by company experts, taking into account the type of crop and other factors.

The conclusions of the study published in the journal underscore the importance of biostimulants to the world market. Factors such as soil degradation caused by the demanding protocols requiring chemical additives, high levels of productivity required in intensive agriculture, shortage of agricultural soils for sustaining the growing world population and increasing interest in ecological agriculture are promoting the intensive development of alternative methods that enable sustainability of the agricultural market.  Furthermore, the study confirms the increase of scientific knowledge in recent years of natural processes that are involved in feeding plants and very particularly the involvement of soil microorganisms, more specifically the fungi of the rhizosphere.


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