Journal
INDUSTRIAL CROPS AND PRODUCTS
Volume 37, Issue 1, Pages 328-333Publisher
ELSEVIER
DOI: 10.1016/j.indcrop.2011.12.005
Keywords
Acclimatization; Clonal propagation; Molecular markers; Plant growth regulators; Shoot multiplication
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An improved and efficient in vitro regeneration system has been developed for Eclipta alba, a medicinally important plant, through transverse thin cell layer culture (tTCL). The transverse section of the nodal segment of field grown plants was used as tTCL explants for plant regeneration. Shoot multiplication from tTCL nodal explants was influenced by BAP and their interaction with Kin or NAA. MS medium containing 13.2 mu M BAP and 4.6 mu M Kin was most effective for shoot multiplication from tTCL nodal explants. Upon this medium, percent response for shoot proliferation was 100% with an average of 32.6 shoot buds per tTCL nodal explant. Regenerated shoots from tTCL nodal explants were rooted on the growth regulator free MS medium. The rooted plantlets were successfully acclimatized and established in soil with a survival frequency of 90-100%. Random amplified polymorphic DNA (RAPD) markers were used to evaluate the genetic fidelity of the micropropagated plants. RAPD profile analysis indicated that micropropagated plants were genetically similar to mother plant. (C) 2011 Elsevier By. All rights reserved.
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