Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/23652
Title: Augmenting in vitro shoot multiplication by vipul (triacontanol) and adventitious rhizogenesis by rice bran extract in Dendrocalamus strictus
Authors: Mishra, Yogeshwar
Rana, P K
Shirin, F
Ansari, S A
Issue Date: Feb-2001
Publisher: NISCAIR-CSIR, India
Abstract: Like other bamboo species, Dendrocalamus strictus flowers gregariously after a prolonged intermast period of 48 years and constitutes an ideal material for in vitro clonal propagation. In this study, MS liquid medium containing 0.5, 1.0 and 2.0 mL/L vipul (Godrej Agrovet, Ltd., Sachin, India), a commercial formulation of triacontanol , with or without BA (3.0 mg/L) was tested for in vitro shoot multiplication and 1.0, 2.5 and 5.0 mL/L of 20 % (w/v) alcoholic/aqueous rice bran extract (alone or in combination) with NAA (3 mg/L) used for in vitro adventitious rhizogenesis in single node culture derived shoots of Dendrocalamus strictus .. After a multiplication cycle for 4-5 week, vipul (0.5 mL/L) with BA (3.0 mg/L) in the culture medium induced 4.59 fold shoot multiplication rate whereas application of BA and vipul alone had corresponding values of 3.29 and 0.53 fold respectively. Maximum vipul concentration (2 mL/L) with BA (3 mg/L) exhibited shoot multiplication higher than (or equal to) that of BA alone. Maximum in vitro rooting percentage (55 .66%) was obtained on half MS medium enriched with alcoholic rice bran extract (2.5 mL/L) and NAA (3 mg/L). This is the first investigation reporting amelioration of in vitro shoot multiplication rate by triacontanol and rooting percentage by rice bran extract in explants from mature bamboo culms. The protocol is economical and rapid for in vitro clonal propagation of Dendrocalamus strictus.
Page(s): 165-169
URI: http://hdl.handle.net/123456789/23652
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.39(02) [February 2001]

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