1. Seed protein electrophoretic characterization of cowpea (Vigna unguiculata) germplasm from IITA gene bank

   • P. G. C. Odeigah
   • A. O. Osanyinpeju

   Short Communication Pages: 485 - 491

2. A chemosystematic study of the flavonoids of Vigna

   • V. Lattanzio
   • A. Cardinali
   • N. Q. Ng

   Regular Research Paper Pages: 493 - 504

3. History of coconut (Cocos nucifera L.) in Mexico: 1539–1810

   • Daniel Zizumbo-Villarreal

   Regular Research Paper Pages: 505 - 515

4. Effectiveness of some management procedures for seed regeneration of plant genetic resources accessions

   • K. Yonezawa
   • T. Ishii
   • H. Morishima

   Regular Research Paper Pages: 517 - 524

5. Variation of seed and fruit characters in Ceratonia siliqua L. cultivars

   • G. Russo
   • G. B. Polignano

   Regular Research Paper Pages: 525 - 531

6. Genetic diversity in cucumber (Cucumis sativus L.): I. A reevaluation of the U.S. germplasm collection

   • Vladimir Meglic
   • Felix Serquen
   • Jack E. Staub

   Regular Research Paper Pages: 533 - 546

7. Genetic diversity in cucumber (Cucumis sativus L.): II. An evaluation of selected cultivars released between 1846 and 1978

   • Vladimir Meglic
   • Jack E. Staub

   Regular Research Paper Pages: 547 - 558

8. Morphological diversity in sorghum germplasm from India

   • S. Appa Rao
   • K. E. Prasada Rao
   • V. Gopal Reddy

   Regular Research Paper Pages: 559 - 567

9. Host-plant resistance to Pseudomonas solanacearum in tomato germplasm

   • William G. González
   • William L. Summers

   Regular Research Paper Pages: 569 - 574

10. Phaseolin diversity in wild Lima bean (Phaseolus lunatus L.) in American centres of origin

    • Lucia Lioi

    Regular Research Paper Pages: 575 - 579

11. Book reviews

    • Axel Dierderichsen
    • G. Röbbelen
    • Peter Hanelt

    BookReview Pages: 581 - 584