Arbuscular mycorrhizae fungi



Keywords: arbuscular mycorrhizae fungi
Description: The word "Mycorrhiza" is given to a mutualistic association between a fungus (Myco) and the roots (rhiza) of the plants. This ascociation is symbiotic because the relationship is advantageous

The word "Mycorrhiza" is given to a mutualistic association between a fungus (Myco) and the roots (rhiza) of the plants. This ascociation is symbiotic because the relationship is advantageous for both organisms. The macrosymbiont (the plant) gains increased exploration of the soil (rhizo sphere) with the intrincate net of hyphae that increases the uptake of water and nutrients from the soil interphase. The microsymbiont (the fungus) uses the carbon provided by the plant for its physiological functions, growth and development.

MYCORRHIZA at TAMU The Nursery Crop Physiology lab at the Department of Horticulture has been working over the past 25 years with ectomycorrhizal and arbuscular mycorrhizal fungi under severe outplanting conditions (Texas lignite coal, strip mines, and highway revegetation sites). They have also characterized mycorrhizal associations in herbaceous and woody plant species and some of the mechanisms of enhanced drought, nutrient relations and temperature stress tolerance of mycorrhizal plants. Mycorrhizal plants can also be used to phytoremediate soil contaminated with petroleum and heavy metals such as chromium (Cr).

Benefits of Mycorrhiza:
  • Enhanced plant efficiency in absorbing water and nutrients from the soil.






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