Data on 8 sites of natural vegetation found in the Left bank of the Saratov region are provided. It is offered to include these sites in system of especially protected natural territories of the region.
The article presents the results of bioecological analysis of ruderalis fraction of flora on the uneven fallow lands located on the territory of Engel’s district of Saratov region.
The total content of active ingredients (coumarin) in a grass of Melilotus officinalis, growing in different districts of the Saratov region which makes 0,22 – 0,71 (0,49) % was defined.
The review of a condition of a problem in the last century is resulted. The distributions broomrape in the Saratov area for last 12 years on sunflower and weeds in sunflower crops was is studied. The dependence of widespread and intensity of severity broomrape from structure of areas under crops and expansion of its racial and specific structure is shown.
The features of the steppe vegetation in the southern part of the right bank of Saratov region. Studied and described the types of steppes and variations found on the site, showing their floristic composition and cenoticheskoe variety.
The article presents comparative characteristics of some fallow lands of the Left and Right Bank of the Saratov region. It contains the taxonomy, biomorphological and phytocenotic characteristics of the flora deposits. Besides it Indicates the types of plants found on fallow lands in Tatishevo and Engels districts of the Saratov region and those ones which are not listed in the abstract of flora of Saratov region.