Diversity of soil micromycetes in winter wheat crops of the Volgograd region according to different predecessorsстатья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 17 ноября 2021 г.
Аннотация:Stable production of cereals, legumes and oilseeds, the realization of the potential of plants are the key problems of the crop growing industry in the Volgograd region of the Russian Federation. Unstable yields in the region are often caused by the cultivation of crops without strict adherence to scientifically based technological recommendations; untimely varietal renewal and varietal change, unbalanced mineral nutrition, adequate systems of plant protection against biotic factors are not always applied.
Wheat, one of the most important cereals and the main food crop in the world [1]. Wheat is cultivated in more than 80 countries.
Feed grain is the basis of the fodder base for animal husbandry. Wheat grain contains from 11 to 20% protein, 63 - 74% starch, about 2% fat, the same amount of fiber and ash. When keeping and feeding livestock, green fodder, bran, and straw, which are obtained from the cultivation of grain crops, are also widely used [2].
When growing winter wheat, increased requirements are imposed on predecessor crops. In this work, we considered the role of the precursor in the accumulation or suppression of pathogens in the soil and rhizosphere of winter wheat plants. The development of most dangerous microorganisms and pests is associated with the root layer of the soil. Pathogenic microbiota accumulates here on plants and plant residues of predecessors, therefore it is important to observe crop rotation and conduct regular monitoring of pathogens [3, 4].
The purpose of the presented work: to study the qualitative and quantitative composition of the dominant microorganisms in field soil samples, the rhizosphere part of growing plants of winter wheat during spring and autumn tillering after different predecessors; compare the results obtained and identify the precursor cultures most favorable for the preservation and accumulation of useful soil microbiota, suppression of pathogens.