The quantitative content of 32 macro and microelements was determined by neutron activation analysis, as well as the amino acid composition was studied by the analysis of FTK-derivaties of amino acids by HPLC method in the leaves and kernels of seeds Prunus persica var.nectarina growing in Uzbekistan.

This article presents research data on meiosis-induced allohexaploids. Based on the obtained data and other studies, the issue of the origin of tetraploid cotton is discussed.

In the article, under the influence of anthropogenic and man-made factors, heavy metals, nitrite and fluorine contained in mineral fertilizers accumulate in the soil under the main driving layer. However, it was noted that there are no modern innovative and information communication technologies that allow assessing the actual sanitary-ecological condition of the country. More than a hundred substances and chemical compounds that fall into the soil through irrigation over the years eventually fall into the soil and degrade it.