استعمال مستخلص نبات الهندباء البري Taraxacum officinale wigg بديلا لبعض مكونات وسط MS في المزارع النسيجية لنبات الطماطة

Abstract EN

Traxacum officinale wigg.

plant is considered one of the important medicinal plants.

It is rich with many compounds, vitamins and minerals; this research is aimed to study the possibility of using alcohol extract for Traxacum officinale as an alternative to vitamin, some of salts and growth regulators which added to the culture media.

The alcoholic extract was prepared from plant materials (leaves, stems and roots) at concentrations (0, 1, 2, 3, and 4) mg/L.

The effect of these concentrations of compounds on speed of seeds germination of tomato's plant, growth of seedling and development of organs (leaves and roots) in short period in vitro.

Results showed that alcoholic extract has positive effect on MS modified without growth regulators BA and NAA (1, 2) mg/L, and the extract concentrates (1, 2) mg/L on the seed germination has speedy than other concentrates and on extract concentrate (2, 3) mg/L was very effect on speedy growth and increased for the seedling length.

Also the results showed that the extract was effect on callus induction and somatic embryo but with existence growth regulators BA and NAA.