SciELO - Scientific Electronic Library Online

 
vol.41 issue4Allelopathic potential of leaf extract of Poincianella pyramidalis (Tul.) L. P. Queiroz and Mimosa tenuiflora Willd. on germination of Mimosa caesalpiniifolia Benth. seedsAgronomic characteristics of velvet bean in different sowing time author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Journal

Article

Indicators

Related links

  • Have no similar articlesSimilars in SciELO

Share


Revista de Ciências Agrárias

Print version ISSN 0871-018X

Abstract

SILVA, Daniel da; IMAKAWA, Angela Maria; BRUNO, Flavio Mauro Souza  and  SAMPAIO, Paulo de Tarso Barbosa. Induction of friable callus in leaf explants and nodal segments of ironwood (Caesalpinia ferrea). Rev. de Ciências Agrárias [online]. 2018, vol.41, n.4, pp.181-190. ISSN 0871-018X.  http://dx.doi.org/10.19084/RCA17311.

Caesalpinia ferrea Mart., is a tree species that occurs in the Amazon, widely used against bronchitis, rheumatism and gastric ulcers. Recent studies have shown that the substance called "Pau-ferrol A" found in young seedlings has activity against human topoisomerase II. The objective of this work was to obtain friable callus from leaf explants and nodal segments for further studies on somatic embryogenesis. The effect of different concentrations of 2,4-D and ANA alone or in combination with BAP and TDZ on callogenesis was evaluated. Our results demonstrated that both types of explants selected showed significant differences (p <0.05) in callus induction, morphology and coloring. Maximum callus induction (90%) was obtained from nodal segment explants cultured in MS medium supplemented with 1.0 mg L-1 of 2,4-D and 5,0 mg L-1 of TDZ, maintaining the explants in photoperiod condition of 16 hours for 30 days with a temperature of 25°C ± 2°C. The results obtained from the callogenesis of C. ferrea made possible future studies on somatic embryogenesis.

Keywords : Callus culture; Regeneration; Caesalpinia ferrea; Medicinal plant.

        · abstract in Portuguese     · text in Portuguese     · Portuguese ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License