Ty Plant Cell, Tissue and Organ Culture 70: 337-340, 2002. CONTENTS Volume 70 2002 Volume 70 No. 1 Special Issue on the New Zealand Regional IAPTC & B Conference 2001 Guest Editors: John F. Seelye, Garry K. Burge, Ed R. Morgan & Geert-Jan M. de Klerk Introduction J. Seelye Gene technologies in Pinus radiata and Picea abies: tools for conifer biotechnology in the 21st century C. Walter, J. Charity, L. Grace, K. Héfig, R. Mdller, A. Wagner Opportunities for synthetic plant chimeral breeding: Past and future G.K. Burge, E.R. Morgan, J.F. Seelye Using education as a public relations tool for biotechnology M.L.B. Styles Long-term expression of the gusA reporter gene in transgenic cyclamen produced from etiolated hypocotyl explants M.R. Boase, G.B. Marshall, T.A. Peters, M.J. Bendall Agrobacterium tumefaciens-mediated transformation to alter ethylene and cytokinin biosynthesis in broccoli N.E. Gapper, M.J. McKenzie, M.C. Christey, R.H. Braun, S.A. Coupe, R.E. Lill, PE. Jameson Agrobacterium-mediated transformation of Pinus radiata organogenic tissue using vacuum-infiltration J.A. Charity, L. Holland, S.S. Donaldson, L. Grace, C. Walter Alternative selectable markers for potato transformation using minimal T-DNA vectors P.J. Barrell, S. Yongjin, PA. Cooper, A.J. Conner Factors affecting transformation of cell cultures from three dicotyledonous pigment- producing species using microprojectile bombardment S. Deroles, M.A.L. Smith, C. Lee Efficient transient transformation of suspension culture-derived apple protoplasts R. Maddumage, R.M.W. Fung, |. Weir, H. Ding, J.L. Simons, A.C. Allan Selection of rice for iron toxicity tolerance through irradiated caryopsis culture R. Pathirana, W.A. Wijithawarna, K. Jagoda, A.L. Ranawaka Differential gene expression between pigmented and non-pigmented cell culture lines of Daucus carota G.B. Marshall, M.A.L. Smith, C.K.C. Lee, S.C. Deroles, K.M. Davies Autotetraploid tangor plant regeneration from in vitro Citrus somatic embryogenic cal- lus treated with colchicine J.-H. Wu, P. Mooney 338 An in vitro approach to investigate medicinal chemical synthesis by three herbal plants M.A.L. Smith, H. Kobayashi, M. Gawienowski, D.P. Briskin 105-111 Bushiness and cytokinin sensitivity in micropropagated Zantedeschia S.M. D’Arth, S.I. Simpson, J.F. Seelye, P.E. Jameson 113-118 Mutation induction by y and X-ray irradiation in tissue cultured lotus S. Arunyanart, S. Soontronyatara 119-122 Volume 70 No. 2 Special Issue: Adventitious Regeneration Guest Editors: Thomas Geier, Max-Bernhard Schroeder & Geert-Jan M. de Klerk Introduction T. Geier, M.-B. Schroeder, T. Marks 123 Variation in potato microplant morphology in vitro and DNA methylation S.M. Joyce, A.C. Cassells 125-137 In vitro morphogenic potential of differently aged Pinus radiata trees correlates with polyamines and DNA methylation levels M.F. Fraga, M.J. Canal, R. Rodriguez 139-145 Applicability of the co-inoculation technique using Agrobacterium tumefaciens shooty-tumour strain 82.139 in silver birch T.S. Aronen, J.H. Haggman, H.M. Haggman 147-154 Loss of DNA methylation affects somatic embryogenesis in Medicago truncatula D. Santos, P. Fevereiro 155-161 The use of Agrobacterium rhizogenes transformed roots to obtain transgenic shoots of the apple rootstock Jork 9 N. Pawlicki-Jullian, M. Sedira, M. Welander 163-171 Phytohormone contents in Corylus avellana and their relationship to age and other developmental processes H. Andrés, B. Fernandez, R. Rodriguez, A. Rodriguez 173-180 The beneficial role of different auxins and polyamines at successive stages of somatic embryo formation and development of Panax ginseng in vitro C. Kevers, T. Gaspar, J. Dommes 181-188 A role for polar auxin transport in rhizogenesis T.R. Marks, Y.-Y. Ford, R.W.F. Cameron, C. Goodwin, P.E. Myers, H.L. Judd 189-198 Adventitious shoot regeneration from vegetative shoot apices in pear and putative role of cytokinin accumulation in the morphogenetic process E. Caboni, S. D’Angeli, A. Chiappetta, A.M. Innocenti, H. Van Onckelen, C. Damiano 199-206 Effect of sucrose on adventitious root regeneration in apple A. Calamar, G.-J. de Klerk 207-212 Induction of vessels in cotyledons of Lycopersicon esculentum by exogenously ap- plied plant bioregulators L. Wang, R. Wyndaele, P.B. Gahan 213-221 Research note Adventitious shoot regeneration and appearance of sports in several azalea cultivars G. Samyn, S. De Schepper, E. Van Bockstaele 223-227 Volume 70 No.3 Reviews of Plant Biotechnology and Applied Genetics Commentary Molecular markers in crop improvement: Present status and future needs in India P.K. Gupta, J.K. Roy 229-234 Regular articles Sisal plant regeneration via organogenesis S.K. Hazra, S. Das, A.K. Das 235-240 Growth and carbohydrate changes in shoot cultures of Dioscorea species as influ- enced by photoperiod, exogenous sucrose and cytokinin concentrations E.P. Chu, R. de Cassia Leone Figueiredo Ribeiro 241-249 Stable transformation of Pinus radiata embryogenic tissue by Agrobacterium tumefa- ciens F. Cerda, F. Aquea, M. Gebauer, C. Medina, P. Arce-Johnson 251-257 In vitro culture of Cedrela fissilis Vellozo (Meliaceae) E. da Costa Nunes, C. Volkmer de Castilho, F.N. Moreno, A.M. Viana 259-268 In vitro propagation of Asparagus maritimus — A rare Mediterranean salt-resistant spe- cies N. Stajner, B. Bohanec, M. JakSe 269-274 Stepwise decrease of 2,4-p and addition of BA in subculture medium stimulated shoot regeneration and somatic embryogenesis in buffalograss S.-Z. Fei, T. Riordan, P- Read 275-279 Induction of somatic embryogenesis and adventitious shoots from immature leaves of cassava G. Ma, Q. Xu 281-288 In vitro production and identification of autotetraploids of Scutellaria baicalensis S.L. Gao, B.J. Chen, D.N. Zhu 289-293 Efficient GA3-assisted plant regeneration from cell suspensions of three grape geno- types via somatic embryogenesis V.A. Zlenko, |.V. Kotikov, L.P. Troshin 295-299 Micropropagation, callus and root culture of Phyllanthus urinaria (Euphorbiaceae) E. Catapan, M. Luis, B. da Silva, F.N. Moreno, A.M. Viana 301-309 340 Effects of tissue culture conditions during embryoid multiplication on the incidence of “mantled” flowering in clonally propagated oil palm C.J. Eeuwens, S. Lord, C.R. Donough, V. Rao, G. Vallejo, S. Nelson 311-323 Research note In vitro micropropagation of Piper longum — an important medicinal plant E.V. Soniya, M.R. Das 325-327 Book review M.-B. Schroeder 329 instructions for authors 331-333 Author index 335 Contents Volume 70 337-340