Development of the method of producing quality seed by onions Rustam Nizomov, Sharofiddin Mahamadaminov, Abror Buriev, Shakhodat Omonova, Shokhista Akhmedova and Iroda Aralova BIO Web Conf., 173 (2025) 01039 Published online: 23 April 2025 DOI: 10.1051/bioconf/202517301039