Development of rice pre-breeding resources with blast resistance Zh M Mukhina, E G Savenko, T L Korotenko, I I Suprun, O. A. Bragina, I N Chukhir, Wenjing Zheng, Ma Zuobin and Wang Changhua E3S Web Conf., 224 (2020) 04020 Published online: 23 December 2020 DOI: 10.1051/e3sconf/202022404020