1. Metodos de seleccion por resistencia parcial al phytophthora infestans en el invernadero

   • Julia Guzman N.
   • H. David Thurston
   • Lee E. Heidrick

   OriginalPaper Pages: 35 - 42

2. Horizontal (polygenic) and vertical (oligogenic) resistance against blight

   • J. E. Van Der Plank

   OriginalPaper Pages: 43 - 52

3. Pennsylvania 4-H Chipping Potato Club

   • James Watts

   News and Reviews Pages: 53 - 55

4. Annual Meeting and call for papers

   • Potato Association of America
   • W. B. Raymer

   News and Reviews Pages: 56 - 56

5. Visible visuals

   • William H. Folwell

   News and Reviews Pages: 56 - 57

6. Nominations for Honorary Life Membership in The Potato Association of America

   News and Reviews Pages: 57 - 57

7. 20th Annual conference on handling perishable agricultural commodities

   News and Reviews Pages: 58 - 58

8. Introducing … potato digging the easy way

   News and Reviews Pages: 58 - 59

9. Two institutes estatblished by Campbell in new emphasis on research

   News and Reviews Pages: 59 - 60

10. G. V. C. Houghland retires

    • Muriel J. O’Brien

    News and Reviews Pages: 60 - 61

11. Bibliografia Latinoamericana Sobre Papas by Alvaro Montaldo

    • John S. Niederhauser

    News and Reviews Pages: 61 - 61

12. Erratum

    • I. L. Nonnecke
    • W. E. Torfason
    • Richard L Sawyer

    Erratum Pages: 61 - 61