KUBYAR

KUBYAR is a medium-late variety of rice (Oryza sativa L.) belonging to the Nigro-apiculata subgroup. It is recommended for cultivation in the Rostov Region and is included in the State Register for the North Caucasus Region. The variety is characterized by high resistance to lodging and shattering, which helps preserve the yield and improves technological and culinary qualities. The grain quality of the Kubyar variety is rated as valuable, making it attractive for agricultural production and processing. Under field conditions in the Krasnodar Krai, the variety suffered severe pyricularia infection, whereas no such problems were observed in the Rostov Region, indicating its adaptation to local growing conditions.

To increase the yield of the Kubyar variety, the growth regulator benzihol is used—a next-generation phytoregulator with auxinic, retardant, stress-protective, and immunomodulating activity. This agent activates two defense systems in plants against intracellular oxidative stress caused by oxygen radicals: it increases the biosynthesis of flavonoids that neutralize oxygen radicals and activates the superoxide dismutase system that destroys radical forms of oxygen. Treatment of Kubyar rice seeds and leaves with benzihol contributes to a significant increase in yield, especially when using seeds, and in some cases leaves, which is recommended for practical application in agriculture.

Thus, the Kubyar variety represents a high-quality and resilient rice variety that, with the proper application of modern agricultural technologies, such as growth regulator treatment, can ensure stable and high yields. Its adaptation to the conditions of the Rostov Region and high technological value make it a promising choice for rice producers in this region.