Natural hybridisation in birch: triploid hybrids between Betula nana and B. pubescens Kesara Anamthawat-JónssonAegir Thór Thórsson OriginalPaper Pages: 99 - 107
The reticuloplasmin calreticulun is released into the medium by carrot cell cultures Marta LibikZbigniew MiszalskiPaola Mariani OriginalPaper Pages: 109 - 116
Morphology and ultrastructure of Mammillaria gracillis (Cactaceae) in in vitro culture D. PoljuhaB. BalenM. Krsnik-Rasol OriginalPaper Pages: 117 - 123
Rapid mass propagation of Tylophora indica Merrill via leaf callus culture Mohd. FaisalMohammad Anis OriginalPaper Pages: 125 - 129
The influence of medium aeration on in vitro rooting of Australian plant microcuttings C. NewellD. GrownsJ. McComb OriginalPaper Pages: 131 - 142
Elevated carbon supply altered hypericin and hyperforin contents of St. John's wort (Hypericum perforatum L. cv `New Stem') grown in bioreactors S.M.A. ZobayedS.J. MurchP.K. Saxena OriginalPaper Pages: 143 - 149
Transformation of Atriplex gmelini plants from callus lines using Agrobacterium tumefaciens Akio UchidaKenji NagamiyaTetsuko Takabe OriginalPaper Pages: 151 - 157
Direct organogenesis from hypocotyl-derived explants of annatto (Bixa orellana) Vespasiano Borges de Paiva NetoTiago Ribeiro da MotaWagner Campos Otoni OriginalPaper Pages: 159 - 167
In vitro multiplication of Calophyllum apetalum (Clusiaceae), an endemic medicinal tree of the Western Ghats Lakshmi G. NairS. Seeni OriginalPaper Pages: 169 - 174
Direct regeneration of Drosera from leaf explants and shoot tips Anna KawiakAleksandra KrólickaEwa Lojkowska OriginalPaper Pages: 175 - 178
In vitro micropropagation of a Cucurbita interspecific hybrid cultivar – a root stock plant S. SarowarH.Y. OhJ.S. Shin OriginalPaper Pages: 179 - 182
Tomato spotted wilt virus (TSWV) infection of Physcomitrella patens gametophores Saskia HühnsChristel BauerJan-Wolfhard Kellmann OriginalPaper Pages: 183 - 187