A new highly productive variety of paiza Lada for arid regions of the Russian Federation

Relevance. In the conditions of climate aridization, paisa is a promising fodder crop. This choice is due to its relative drought resistance, ability to adapt to extremely high temperatures, and at the same time to maintain the yield and quality of biomass and grain. These characteristics allow paisa to be cultivated in various regions of the country, which makes it promising for the agro-industrial complex.

The purpose of the study — to evaluate economically valuable features of a new variety of paiza Lada adapted for cultivation in arid regions of the Russian Federation.

Methods. The research was conducted in the southern part of the Chernozem zone of the Volga region at the experimental field of the Russian Research Institute of Sorghum from 2020 to 2023, according to generally accepted methodological guidelines.

Results. Thе article presents the results of the creation of a new variety of Lada paiza, which has passed state testing and is approved for use in the Lower Volga region of the Russian Federation starting from 2024. During the competitive variety testing, the average yield of green mass was 32.1 t/ha, which is 4.60 t/ha higher than the standard variety Gothic. The variety is characterized by high productivity and resistance to abiotic stressors at different stages of ontogenesis: leaf tissue hydration (72.3%) during flowering and root length index (0.88) at the initial stages of ontogenesis. It is characterized by rapid regrowth after mowing and allows for up to three mowing in the conditions of the rainfed area, and is resistant to lodging. No diseases or pest damage was observed in the Lada variety during the years of research. 

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