Plant regeneration from leaf protoplasts of Brassica oleracea var. italica CV Green Comet broccoli
- 1 February 1986
- journal article
- Published by Springer Nature in Plant Cell Reports
- Vol. 5 (1) , 61-64
- https://doi.org/10.1007/bf00269720
Abstract
A procedure is described for regeneration of plants from leaf protoplasts of the hybrid broccoli cultivar, Green Comet (Brassica oleracea var italica). The totipotency of protoplasts isolated from plants regenerated from hypocotyl explants (GCR) was greater than that of protoplasts from plants grown directly from seed (GC). Using medium B developed by Pelletier et al (1983), division efficiencies greater than 70% were obtained in leaf protoplasts isolated from GCR. Approximately 1% of these protoplasts formed calli on solidified medium; 77% of the calli regenerated shoots. In contrast, protoplasts from seed-grown material showed a lower division efficiency (15–22%) and fewer protoplast-derived calli produced shoots. Some of the 178 protoplast-derived plants grown to maturity had variant phenotypes.Keywords
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