Plant regeneration from hypocotyl-derived protoplasts ofBrassica juncea(L.) Czern and Coss
โ Scribed by P. B. Kirti; V. L. Chopra
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 245 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0721-7714
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Protoplasts were isolated from hypocotyls of 7-d-old seedlings of three genotypes of Brassica carinata after enzymatic digestion in cellulase R-10 (0.5%) and pectolyase Y-23 (0.025%). The protoplasts were stabilized with 0.4 M mannitol used as osmoticum, and were cultured in darkness in Kao's liquid
Plant regeneration from stem cortex explants of 13 genotypes of Brassica juncea was assessed. Regeneration was strongly affected by genotype, as up to 50.6 shoots were produced per 100 calli of the most responsive line (Blaze), whereas no shoots were obtained from less responsive lines (Zeml, Vniimk
Protoplasts derived from hypocotyls of seedlings grown on half-strength MS medium containing 1% sucrose were cultured at a density of 5 x 104 ml ~ in Kao's medium supplemented with 1.0 mg 1 ~ 2,4-D, 0.1 mg 1l NAA and 0.5mgl ~ zeatin riboside. After three days of culture in darkness at 25 + IยฐC, cult