Mycorrhizas in Trifolium Repens – A Short Term High Experiment Approach

The paper aims to present the integrative potential of natural mycorrhization in short experiments. Mycorrhization parameters provide quantitative and qualitative indices of plant root development. Assessing the degree of dependence of plants to symbiotic association may represent an important step in estimating the strength and durability of a species in natural ecosystems. The degree of colonization is part of the methodology for estimating the volume explored by root symbiotic fungi, the value indicating the associative dependence. For values of the colonization degree below 10%, the association is casual and over 50% the association became mandatory. These values are due to a balanced frequencies and intensities. In general, differentiated fertilization and treatments acts to individualize the exploratory reaction of mycorrhizas. The strongest effects of the experimental variants are seen at the end of the growing season. Principal components analysis highlights the separation effect of fertilization and individualizes the treatments on graphs. Principal components analysis ordination of the colonization degree shows a normalization of mycorrhizal reaction to interaction fertilization x treatment and maximize the effect of experimental graduations. Zinc sulphate is the most restrictive treatment in combination with fertilization. Mineral or organo-mineral fertilization is beneficial for mulching at the vegetation peak and fungicides respond well to organo-mineral fertilization.