1. Retention of shoot regeneration capacity of tobacco callus by Na₂SO₄

   • Eng-Chong Pua
   • Elena Ragolsky
   • Trevor A. Thorpe

   OriginalPaper Pages: 225 - 228

2. Induction of efficient cell division in alfalfa protoplasts

   • Larry A. Holbrook
   • Terrence J. Reich
   • Brian L. Miki

   OriginalPaper Pages: 229 - 232

3. Shikimate pathway activity in shake and fermenter cultures of Cinchona succirubra

   • H. -P. Schmauder
   • D. Gröger
   • D. Koblitz

   OriginalPaper Pages: 233 - 236

4. Correlation of the appearance of morphinan alkaloids and laticifer cells in germinating Papaver bracteatum seedlings

   • Michael D. Rush
   • Toni M. Kutchan
   • Carmine J. Coscia

   OriginalPaper Pages: 237 - 240

5. Anthraquinones as phytoalexins in cell and tissue cultures of Cinchona spec.

   • R. Wijnsma
   • J. T. K. A. Go
   • A. Baerheim Svendsen

   OriginalPaper Pages: 241 - 244

6. Regeneration of plantlets from mesophyll protoplasts of Brassica juncea (L.) Czern

   • Gouri Chatterjee
   • Samir R. Sikdar
   • S. K. Sen

   OriginalPaper Pages: 245 - 247

7. Isolation and culture of protoplasts from high anthocyanin-producing callus of sweet potato

   • Taketo Nishimaki
   • Masayuki Nozue

   OriginalPaper Pages: 248 - 251

8. Occurrence of anthocyanoplasts in cell suspension cultures of sweet potato

   • Masayuki Nozue
   • Hitoshi Yasuda

   OriginalPaper Pages: 252 - 255

9. Regeneration of plantlets from the callus of stem segments of adult plants of Ficus religiosa L.

   • V. S. Jaiswal
   • Pratap Narayan

   OriginalPaper Pages: 256 - 258

10. Alkaloid production in Catharanthus roseus (L.) G. Don cell cultures. XIII. Effects of bioregulators on indole alkaloid biosynthesis

    • James P. Kutney
    • Barbara Aweryn
    • Wolfgang G. W. Kurz

    OriginalPaper Pages: 259 - 262

11. Morphogenesis and plant regeneration from cultured endosperm of Emblica officinalis Gaertn

    • C. B. Sehgal
    • Sunilla Khurana

    OriginalPaper Pages: 263 - 266

12. The effect of anther orientation on the production of microspore-derived embryoids and plants of Hordeum vulgare cv. Sabarlis

    • C. P. Hunter

    OriginalPaper Pages: 267 - 268

13. In vitro culture of Cucumis sativus L. V. Stabilizing effect of glycine on leaf protoplasts

    • W. Orczyk
    • S. Malepszy

    OriginalPaper Pages: 269 - 273

14. Electrofusion, a simple and reproducible technique in somatic hybridization of Nicotiana plumbaginifolia mutants

    • K. J. Puite
    • P. van Wikselaar
    • H. Verhoeven

    OriginalPaper Pages: 274 - 276

15. Dependence of the level of phytoalexin and enzyme induction by fungal elicitor on the growth stage of Petroselinum crispum cell cultures

    • Erich Kombrink
    • Klaus Hahlbrock

    OriginalPaper Pages: 277 - 280

16. In vitro organogenesis and somatic embryogenesis from leaf explants of Leucosceptrum canum sm.

    • Amita Pal
    • Anjana Banerjee
    • Krishna Dhar

    OriginalPaper Pages: 281 - 284

17. Screening of diploid Medicago sativa germplasm for somatic embryogenesis

    • Eltjo G. M. Meijer
    • Daniel C. W. Brown

    OriginalPaper Pages: 285 - 288

18. Callus production from photoautotrophic soybean cell culture protoplasts

    • Vijay K. Chowhury
    • Jack M. Widholm

    OriginalPaper Pages: 289 - 292