TY - J Integr Plant Biol A1 - Ma Qing-hu, Song Yan-ru and Sun Jing-san T1 - The Role of Cytokinin Biosynthetic Gene in Regulating the Expression of a Class of Pathogenesis-Related Protein Genes in Tobacco Plants Y1 - JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - EP - VL - 38 IS - 11 UR - https://www.jipb.net N1 - ER -