Emerald Harvest Root Wizard Research Dossier

Root Wizard

Emerald Harvest Root Wizard

Empower your garden with Root Wizard a massive root builder from Emerald Harvest. Containing several strains of beneficial bacteria that will invigorate the rhizosphere of plants growing in a hydroponic system. Beneficial bacteria is a group of free-living bacteria that colonize the rhizosphere and benefits root growth. It’s a fact that inoculating the plant roots with beneficial microorganisms helps to create healthier growing mediums and more sound root systems. A significant increase in yield of agronomically important crops in response to inoculation with beneficial bacteria has repeatedly been reported.The microbes help fix atmospheric nitrogen to ammonia and further to nitrates, increase root mass considerably, hence, increasing water and nutrient uptake resulting in higher yields. The bacteria help release plant growth hormones such as auxins and cytokinins inside the plant sap which promote growth. They also induce a much larger production of chlorophyll which is very useful to maximize hydroponics light condition. Resistance to various diseases is also higher in plants fed with this group of micro-organisms. Root Wizard helps bulk-up root mass and enables plants to absorb more nutrients more efficiently.

Key Benefits of Root Wizard

  • Bigger Root mass
  • Increased nutrient uptake in the root zone
  • Control diseases and inhibit the harmful effect of plant pathogen on crop yield.
  • Increase resistance in plants against broad spectrum of root and foliar pathogen
  • Fixation of atmospheric nitrogen
  • Production of Siderophores that chelate iron and make it available to plant roots
  • Phytohormone Production or synthesis
  • Phosphate solubilization
  • Enhancement of mineral uptake
  • Biocontrol agents
  • Biological Fungicides

References

Beneficial Bacteria

Numerous species of soil bacteria which flourish in the rhizosphere of plants, but which may grow in or around plant tissues stimulate plant growth by a plethora of mechanism. These bacteria are collectively known as PGPR (Plant growth promoting rhizobacteria). The search for PGPR and investigation of their modes of action are increasing at a rapid pace as efforts are made to exploit them commercially as biofertilizers. The modes of action of PGPR include fixing N2, increasing the availability of nutrients in the rhizosphere, positively influencing root growth and morphology, and promoting another beneficial plant–microbe symbioses. The combination of these modes of actions in PGPR is also present.

Vessey. JK., 2003. Plant growth promoting rhizobacteria as biofertilizers, Plant and Soil. Volume. 255, pp. 571–586

Nitrogen-fixing bacteria can enter into roots from the rhizosphere, particularly at the base of emerging lateral roots, between epidermal cells and through root hairs. In the rhizosphere growing root, hairs play a significant role in symbiotic recognition in legume crops.

Cocking. EC.,2003. Endophytic colonization of plant roots by nitrogen-fixing bacteria. Plant and Soil. Volume. 252, pp. 169-175

Plant growth-promoting rhizobacteria (PGPR) are a group of free-living bacteria that colonize the rhizosphere and benefit root growth. Bacteria of diverse genera were identified as PGPR of which Bacillus and Pseudomonas spp. are predominant. PGPR exert a direct effect on plant growth by the production of phytohormones, Solubilization of inorganic phosphates, increased iron nutrition through iron-chelating siderophores and volatile compounds that affect the plant signaling pathways. Additionally, by antibiosis, competition for space and nutrients, and induction of systemic resistance in plants against a broad-spectrum of root and foliar pathogens, PGPR reduce the populations of root pathogens and other deleterious microorganisms in the rhizosphere, thus benefiting the plant growth.

Podile. AR. & Kishore. GK., 2006. Plant growth-promoting rhizobacteria  Plant-Associated Bacteria, Springer Netherlands. PP. 195- 230

To exert their beneficial effects, PGPR usually must colonize the root surface efficiently. Examples of direct plant growth promotion include (a) biofertilization, (b) stimulation of root growth, (c) rhizoremediation, and (d) plant stress control. Mechanisms of biological control by which rhizobacteria can promote plant growth indirectly, i.e., by reducing the level of disease, include antibiosis, induction of systemic resistance, and competition for nutrients and niches.

Lugtenberg. B., Kamilova. F., 2009. Plant-Growth-Promoting Rhizobacteria, Annual Review of Microbiology.  Volume. 63, pp. 541-556

Bacteria that colonize plant roots and promote plant growth are referred to as plant growth-promoting rhizobacteria (PGPR). PGPR are highly diverse and in this review we focus on rhizobacteria as biocontrol agents. Their effects can occur via local antagonism to soil-borne pathogens or by induction of systemic resistance against pathogens throughout the entire plant. Several substances produced by antagonistic rhizobacteria have been related to pathogen control and indirect promotion of growth in many plants, such as siderophores and antibiotics.

Beneduzi.A.,  Ambrosini. A., and Passaglia. LMP.,2012. Plant growth-promoting rhizobacteria (PGPR): Their potential as antagonists and biocontrol agents. Genetics & Molecular Biology. Volume. 35, no. 4.  pp. 1044-1051

Seed treatment with PGPR strains improved seed germination, seedling vigor, seedling emergence and seedling stand over the control. Similar improvement of seed germination parameters by rhizobacteria has been reported in other cereals such as sorghum and pearl millet. The increase in seed germination by PGPR was also found in work with wheat and sunflower where it was found that some PGPR induced increases in seed emergence, in some cases achieving increases up to 100% greater than controls.

Sorghum: N.S. Raju, S.R.Niranjana, G.R. Janardhana, H.S. Prakash, H.S. Shetty, S.B. Mathur.1999  Improvement of seed quality and field emergence of Fusarium moniliforme infected sorghum seeds using biological agents. Journal of Science, Food and Agriculture, Volume. 79, pp. 206-212.

Wheat:  K. Shaukat, S. Affrasayab, S. Hasnain. 2006. Growth responses of Triticum aestivum to plant growth promoting rhizobacteria used as a biofertilizer. Res. J. Microbiol., Volume. 1, No. 4, pp. 330-338.

PGPR synthesize various phytohormones and release them into the plants, thus stimulating growth. Plant growth promotion by PGPR occurs in a number of ways. One main way is through the bacterial synthesis of the plant hormones indole-3-acetic acid as shown in sugar beets.

J.E. Loper. 1985. Influence of bacterial sources of indole-3-acetic acid on root elongation of sugar beet. Phytopathology . Volume. 76, pp. 386–389.

Beneficial Fungi – though contained in Root Wizard Dry only

Mycorrhizas are a mutually beneficial relationship between the root system of a plant and beneficial fungi that are present in the soil. They can be of two types: Ecto (external) or Endo (internal) mycorrhizas. When the fungi grow around the roots and cover the root surface, they are called ectomycorrhiza. When they grow inside the root, they are called endomycorrhiza.

Harley. J.L., Smith. S.E., 1983.  Mycorrhizal symbiosis, Academic Press, New York, pp. 483

In experiments, it was shown that many plant species are entirely dependent on the presence of MF to be successful in their environments. Our results emphasize the importance of the mycorrhizal symbiosis as a determinant of plant biodiversity, ecosystem variability, and productivity. The loss of AMF biodiversity, which occurs in agricultural systems, could, therefore, decrease both plant biological diversity and ecosystem productivity while increasing ecosystem instability.

Marcel. G.A., John. N.K. , Margot. U., Peter. M., Ruth. S.E., Thomas. B., Andres. W., & Ian. R.S. 1998. Mycorrhizal fungal diversity determines plant biodiversity, ecosystem variability, and productivity. Nature. Volume. 396, pp. 69-72.

Chemical analyses of plant tissues have shown that plants with mycorrhizae may contain as much as 86 percent more nitrogen, 234 percent more phosphorus, and 75 percent more potassium than those without mycorrhizae.  Radioactive isotopes of several essential elements have been used to show their transfer by mycorrhizal fungi from the substrate into roots and their translocation throughout the plant.  Mycorrhizae also accumulate greater amounts of phosphorus than do short roots with root hairs.

Hacskaylo. 1957. Mycorrhiza of trees with special emphasis on physiology of ectotrophic types. Ohio. J. Sci. Volume. 57, pp. 350-357.

Plant nutrients, except nitrogen, are ultimately derived from weathering of primary minerals. Recent research suggests that ectomycorrhizal fungi mobilize other essential plant nutrients directly from minerals through excretion of organic acids. This enables ectomycorrhizal plants to utilize essential nutrients from insoluble mineral sources and affects nutrient cycling in forest systems.

Studies indicate that plants may have access to organic N sources. Laboratory studies have shown that ectomycorrhizal and ericoid mycorrhizal plants can degrade polymeric Nitrogen and absorb the resulting products.

Näsholm. T., Kielland. K., Genetag. U., 2001. Uptake of Organic Nitrogen by Plants. New Phytologist, Volume.  182, Issue. 1, pp. 31-48.

Conclusion

Empower your garden with Root Wizard containing several strains of beneficial bacteria that will invigorate the rhizosphere of plants; bulk up root mass and enables plants to absorb more nutrients. Use Emerald Harvest Root Wizard with a base nutrient series for guaranteed professional results in your hydroponics or soil garden.

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