[Identification of cellular morphology and flow cytometry on different tetraploid Isatis indigotica strains].

Objective: To identify tetraploid Isatis indigotica strains through morphology and flow cytometry.

Methods: The tissue culture seedlings of tetraploid Isatis indigotica were root-tip squashed and chromosome counted before rooted climatized and transplanted in field. The plants in field were taken as experimental materials.

[Effects of PEG and NaCl stress on the contents of indigotin and indirubin in Isatis indigotica tetraploids].

Objective: To provide a reference evidence for choosing salt-resistent and drought-resistent varieties of Isatis indigotica Fort..

Methods: The tissue culture seedlings of different Isatis indigotica tetraploids were used as plant materials.