1. Factors influencing the breeding of agricultural crops in the Netherlands

   • H. De Haan

   OriginalPaper Pages: 183 - 195

2. International approach to plant exploration and introduction

   • R. O. Whyte

   OriginalPaper Pages: 196 - 208

3. Neutronic mutations in peas

   • S. J. Wellensiek

   OriginalPaper Pages: 209 - 215

4. Neutronic mutations in tomatoes

   • K. Verkerk

   OriginalPaper Pages: 216 - 222

5. Problems involved in breeding for resistance

   • H. J. Toxopeus

   OriginalPaper Pages: 223 - 231

6. Notes

   Announcement Pages: 232 - 233

7. Breeding maize for resistance to streak

   • G. J. M. A. Gorter

   OriginalPaper Pages: 234 - 240

8. The layout of euphytica

   • H. De Haan

   OriginalPaper Pages: 241 - 244

9. Poor fruit setting in strawberries. II

   • Hester G. Kronenberg
   • J. P. Braak
   • A. E. Zeilinga

   OriginalPaper Pages: 245 - 251

10. Old and new books dealing with general plant breeding. II. First addition

    • H. De Haan

    OriginalPaper Pages: 252 - 259

11. Heritability of tolerance to manganese toxicity in lucerne

    • Lionel Dessureaux

    OriginalPaper Pages: 260 - 265

12. Efficiency in publishing the results of plant breeding research

    • H. de Haan

    OriginalPaper Pages: 266 - 269

13. Induced mutation

    • R. Prakken

    ReviewPaper Pages: 270 - 322