Features of seed production of different subspecies of Brassica oleracea L. in the conditions of Southern Dagestan

Relevance. Studying the seed production characteristics of cabbage varieties in southern Dagestan, where direct transplantation is favorable, is essential for obtaining high-quality seed material of domestic varieties and hybrids for Russian agricultural producers. Study Objective – determining the optimal sowing time for the formation of full-fledged reproductive shoots (inflorescences) is the primary objective of direct transplantation of cabbage seed in Dagestan. Materials and Methods. The study was conducted at the Dagestanskaya Os, a branch of the All-Russian Institute of Plant Research, located in the southern lowlands of Dagestan. The material consisted of varieties and hybrids of different cabbage species. Results. The study identified optimal seed sowing and seedling planting times for growing different cabbage varieties – white cabbage, cauliflower, broccoli, Brussels sprouts, and red cabbage – directly in southern Dagestan, where the natural and climatic conditions are most favorable for seed production. The study also demonstrated the key development phases during the fall, winter, and spring-summer periods.