M.V.Kazakova

Studying rare plant species of Ryazan region in terms of culture

3-27

A.V.Drangoy,O.L.Voskresenskaya,
V.S.Voskresenskiy

The radionuclides content in the leaves of the Asteraceae family plants

28-38

A.I.Ivanov,L.A.Novikova,
V.M.Vasjukov,A.A.Ivanov

Development of the system of specially protected natural territories of Penza region

39-55

A.I.Ivanov,A.A.Mironova

The effect of ecological factors on boletoid fungi (fam. Boletaceae, Gyroporaceae, Suillacea) in the conditions of protected areas
of Penza region

56-63

Humood Buthaina
Mohammed Humood, O.I.Yudakova

Histological features and development dynamics of axillary shoots during direct organogenesis in the maize mature embryo culture

64-76

R.M. Taipova, Kh.G. Musin,
K.P. Gainullina, B.R. Kuluev

Evaluation of genetic polymorphism and drought and salinity tolerance of Amaranthus cruentus L. mutants

77-93

I.G.Kirillova,I.Yu.Makeeva,
Yu.A.Kuz'menko

The effect of growth regulators with antioxidant properties on the respiration process in potato plants under optimal
and stress environmental conditions

94-105