Mycorrhizas in Trifolium Repens – A Short Term High Experiment Approach

Vlad Stoian, Roxana Vidican, Ioan Rotar, Florin Păcurar, Adriana Morea
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引用次数: 6

Abstract

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.

三叶草菌根的短期高效实验研究
本文的目的是在短实验中展示自然菌根化的综合潜力。菌根参数提供了植物根系发育的定量和定性指标。评估植物对共生关系的依赖程度可能是估计自然生态系统中物种的强度和持久性的重要步骤。定殖程度是估计根共生真菌探索的体积的方法的一部分,该值表示关联依赖性。当殖民程度低于10%时,这种联系是偶然的,超过50%时,这种联系是强制性的。这些值是由于平衡的频率和强度。一般来说,分化施肥和处理的作用是使菌根的探索反应个体化。实验变种的最强效果出现在生长季节结束时。主成分分析突出了受精的分离效应,使处理在图上个性化。主成分分析结果表明,菌根对互作施肥处理的定殖程度趋于正常化,且试验分级效果最大化。硫酸锌与施肥相结合是最严格的处理。矿质或有机矿质施肥有利于覆盖植被高峰,杀菌剂对有机矿质施肥反应良好。
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