Shoot Bud Proliferation from Axillary Nodes and Leaf Sections of Non-toxic Jatropha curcas L
2005
Sujatha, M. | Makkar, H.P.S. | Becker, K.
Protocols for in vitro propagation of non-toxic variety of J. curcas through axillary bud proliferation and direct adventitious shoot bud regeneration from leaf segments have been established. Shoot bud proliferation from axillaries was assessed on an initial basal Murashige and Skoog (MS) salt medium supplemented with different concentrations of benzyladenine (BA), kinetin and thidiazuron (TDZ) followed by subculture to medium with 4.4-8.9 micromolar BA. Regardless of the concentration of BA in the subculture medium, shoot multiplication rate was optimum (10-12.3) with primary culture on medium supplemented with 2.3-4.5 micromolar TDZ. Efficient adventitious shoot regeneration from leaf tissues was achieved with culture on medium with 8.9-44.4 micromolar BA + 4.9 micromolar indole-3-butyric acid (IBA) followed by transfer to medium supplemented with 8.9 micromolar BA + 2.5 micromolar IBA. Similarity index between toxic Indian variety and the non-toxic variety based on 435 RAPD markers was 96.3%. Crossing studies followed by phorbol ester quantitation revealed that outcrosses with toxic J. curcas do not affect the phorbol ester content of seeds borne on the non-toxic variety.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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