Mycorrhizas in Trifolium Repens – A Short Term High Experiment Approach

Stoian, Vlad; Vidican, Roxana; Rotar, Ioan; Păcurar, F.; Morea, Adriana

doi:10.1016/j.aaspro.2016.09.007

Cited by 4 publications

(4 citation statements)

References 9 publications

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“…Analysis is performed on 1 cm long segments and it is recommended to be conducted for a number of 30 or more segments. An addition to the Trouvelot method is the volumetric expression of colonization defined as degree of colonization 43 , determined as a product between frequency and intensity. However, for a real degree of colonization, it is necessary to redefine the manner of assessing the colonization frequency in a similar way as to the intensity.…”

Section: Resultsmentioning

confidence: 99%

Sensitive approach and future perspectives in microscopic patterns of mycorrhizal roots

Stoian

Vidican

Crișan

et al. 2019

Sci Rep

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The harmonization of methodologies for the assessment of radicular endophytic colonization is a current necessity, especially for the arbuscular mycorrhizas. The functionality of mycorrhizal symbionts for plants can be described only by indicators obtained based on microscopic analysis. That is the reason for which a unifying methodology will lead to the achievement of highly correlated indicators comparable from one research to another. Our proposed methodology can further digitize the microscopic observations of colonization. The MycoPatt system is developed as a methodological framework for obtaining objective and comparable microscopic observations. The horizontal, vertical and transversal indicators are highly adaptable and allow the tracking of mycorrhizal colonization in root length. All structures developed by symbionts can be traced and the obtained metadata can be compared without any transformation. Mycorrhizal maps have a high degree of applicability in evaluating soil inoculum efficiency. In the future, the application of this method will lead to digital maps with a high degree of accuracy. MycoPatt allows the mathematical expression of colonization patterns, being a complex model that converts biological data into statistically comparable indicators. This will further allow obtaining inferences with applicative importance and similarity spectra for the colonizing fungi and host plants.

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Section: Resultsmentioning

confidence: 99%

Sensitive approach and future perspectives in microscopic patterns of mycorrhizal roots

Stoian

Vidican

Crișan

et al. 2019

Sci Rep

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“…Even if in mycorrhized fragments we can identify large cell areas colonizide by arbuscules, when these structures are reported to the entire root cortex it will result just a small percentage of root with arbsucules. Variable values of colonization provide the image of a lax to obligatory symbiosis (Stoian et al, 2016). An interesting phenomenon is the presence in the roots of vesicles and spores of small size, indicating a continuum of the development of storage structures and of resistance.…”

Section: Resultsmentioning

confidence: 99%

“…We analysed the presence/ absence of arbuscular mycorrhiza strctures: intraand extraradicular mycelium, arbuscules, vesicles and spores. Also there were analysed mycorrhizal parameters according to method proposed by Stoian et al (2016), in order to asses the extension of each fungal structure in urban grasses roots.…”

Section: Methodsmentioning

confidence: 99%

Mycorrhizal Structures in the Native Grasses from Cluj-Napoca Parks

et al. 2018

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Urban parks are ecosystems with a dynamic directed by human intervention. Arbuscular mycorrhizal fungi are symbionts with higher plants, with role in increasing the amount of nutrients needed to plant development. In roots, the fungi develops various structures for transfer or storage of nutrients. The grasses developed in the parks of the Cluj-Napoca city present typical mycorrhizal structures, including the two morphotypes of arbuscules. The colonization rate identified in the analyzed samples is over 75%, indicating a high number of propagules in soil. The dependence of arbuscles is higher to intensity than colonization frequency.

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“…For an overview of the effect of the applied inoculum, the ratios of the root and shoot biomass were calculated, also the percentage of participation of each component in the total biomass of the plant. The level and dependence of plants toward mycorrhizas was assessed using the method described by Stoian et al (2016). Identification of effective inoculation concentrations provides a much clearer picture of mycorrhizal mechanism in winter wheat based on synergistic microbial supplementation in the rhizosphere.…”

Section: Methodsmentioning

confidence: 99%

The Starter Effect of Non-Symbiotic Microbial Bioproducts on Wheat

Vidican¹,

Stoian²,

Rotar³

et al. 2017

UASVMCN-AGR

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Microbial groups developed in the rhizosphere ensure the stability and dynamics of nutrient transfer processes to plants. Additional soil inoculation with rhizospheric bacteria acts to expand the ecological niche, supplements the activity, the number of individuals and promote plant growth. In today's agriculture, there is a need for the usage of rhizosphere microflora and integrative approaches to stimulate plant growth. The aim of the study is to evaluate the use of biofertilizers as starter stimulators in autumn wheat. Different concentrations of Bactofil, containing rhizospheric bacteria, were applied in small rhizothrones. Evaluation of relationships between bacterial inoculum and plant reveals the degree of applicability and adaptation to the soil conditions of exogenous microflora. Doses of 15.6 x 10 8 and 20.8 x 10 8 cells/m 2 stimulates the root elongation and higher level of mycorrhization. Bioproducts can be viable solutions to stimulate the initial development of wheat plants.

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Mycorrhizas in Trifolium Repens – A Short Term High Experiment Approach

Cited by 4 publications

References 9 publications

Sensitive approach and future perspectives in microscopic patterns of mycorrhizal roots

Sensitive approach and future perspectives in microscopic patterns of mycorrhizal roots

Mycorrhizal Structures in the Native Grasses from Cluj-Napoca Parks

The Starter Effect of Non-Symbiotic Microbial Bioproducts on Wheat

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