1. Components of genetic variance for plant survival and vigor of apple trees

   • R. Watkins
   • L. P. S. Spangelo

   OriginalPaper Pages: 195 - 203

2. Genetic-evolutionary studies on cultivated cannas

   • T. N. Khoshoo
   • Iva Mukherjee

   OriginalPaper Pages: 204 - 217

3. Kompetitive Selektion in einfachen Systemen

   • F. Papentin

   OriginalPaper Pages: 218 - 225

4. Genotypic stability

   • W. D. Hanson

   OriginalPaper Pages: 226 - 231

5. The induction of grain size and colour mutations in rice (Oryza sativa L.) by radioisotopes

   • A. K. Basu
   • Rabindra Krishna Basu

   OriginalPaper Pages: 232 - 236

6. Book reviews

   • A. Michaclis
   • A. Lein
   • Peter Hanelt

   BookReview Pages: 237 - 240