TY - JOUR A1 - Baumann, Ingrid A1 - Eckermann, Nora A1 - Krause, Udo A1 - Baumann, Guido T1 - Effects of sucrose in the culture medium on cytological characteristics, pigments and photosynthetic activity of green callus cultures of sugar beet Y1 - 1994 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/28731 ER -