2. Methods 2.1. Plant material Nugget-type (annular) seeds of ‘Carola’ were used in all studies.Seeds were germinated on pre-moistened germination paper that was placed either on solid aluminum gradient bars or in glass Petri plates.
2. Methods2.1. Plant material Nugget-type (annular) seeds of ‘Carola’ were used in all studies.Seeds were germinated on pre-moistened germination paper that was placed either on solid aluminum gradient bars or in glass Petri plates.