AGRICULTURE AND CROP PRODUCTION

V. I. Usenko, A. A. Garkusha, T. A. Litvintseva, E. G. Deryanova, I. A. Kobzeva, A. A. Shcherbakova. Changes in the supply of leached chernozem with mobile potassium during long-term cultivation of grain crops, depending on the forecrop, tillage, and nitrogen-phosphorus fertilizers…5

L. I. Pusenkova, S. R. Garipova, K. A. Fedorova, M. A.Dedova. The effect of the frequency of potato treatments with endophytic bacteria Bacillus subtilis on the content of pigments in leaves, productivity, and disease resistance…11

A. I. Uskov, Yu. A. Varitsev, P. A. Galushka, N. V. Suslova, L. B. Uskova, G. P. Varitseva, S. V. Zhevora. Study of serological and phytopathological characteristics of potato Y-virus isolates distributed in various regions of the Russian Federation…18

N. I. Korobeinikov, V. S.Valekzhanin. Union – a short-stemmed variety of soft spring wheat…23

A. A. Sukhorukov, N. E. Bugakova. Adaptive potential of soft winter wheat varieties in terms of rheological and baking properties of dough and quality of bread in the Middle Volga region…28

A. A. Novikova, O. S. Grechishkina, A. A. Emel’yanova, A. A. Pustovalova, M. V. Zamerzlyak. Adaptability and ecological stability of durum wheat varieties under the conditions of the Orenburg region…33

A. K. Antimonov, L. F. Syrkina, O. N. Antimonova, Yu. Yu. Nikonorova. Evaluation of grain sorghum varieties for cold resistance at low temperatures in different environments…38

M. Yu. Akimov, E. V. Zhbanova, T. V. Zhidekhina, I. V. Lukyanchuk, I. V. Gur’eva, A. S. Lyzhin, O. Yu. Dubrovskaya. Polymorphism of the genetic collection of berry crops of the Rosaceae family according to the nutrient composition of fruits…43

Z. E. Ozherelieva, A. O. Bolgova, A. A. Gulyaeva. Isolation of sources of high resistance of buds and flowers to late spring frosts for plum breeding…49

A. V. Kazarina, I. S. Abramenko. Peculiarities of seed productivity formation of awnless brome (Bromopsis inermis Leyss.) under natural and climatic conditions of the forest-steppe of the Middle Volga region…54

ANIMAL AND VETERINARY SCIENCE

O. A. Koshkina, T. E. Deniskova, N. A. Zinovieva. Development and implementation of test system for investigation of complete mitochondrial genomes of domestic sheep…60

A. P. Kartashova, E. V. Firsova. BLUP efficiency in the analysis of genealogical groups…66

G. N. Singina. Optimization of gas atmosphere parameters for culture of bovine embryos in vitro…72

MECHANIZATION

V. D. Pavlidis, M. V. Chkalova, V. A. Shakhov. Stochastic modelling of the technological process to produce combined feed…5

PROCESSING

L. I. Belyaeva, M. K. Pruzhin, A. V. Ostapenko, T. I. Sysoeva. Identification of the additive effect of technological aids in the production of beet white sugar…84