1. Variation in Australian isolates of Phytophthora cinnamorni rands

   • B. H. Pratt
   • C. J. Shepherd

   Research Notes Pages: 25 - 26

2. Occurrence of the AI mating type of Phytophthora cinnamomi rands on the South Coast of New South Wales

   • F. Arentz
   • B. H. Pratt
   • W. A. Heather

   Research Notes Pages: 27 - 27

3. Particles of the rhabdovirus type in striate diseased pangola grass

   • R. S. Greber

   Research Notes Pages: 27 - 28

4. Pathogenicity of two pythiaceous fungi to apple seedlings

   • D. Sitepu
   • M. Bumbleris

   Research Notes Pages: 28 - 28

5. Bacteria-induced granules in root nodule cells resistant to infection

   • A. Diatloff

   Research Notes Pages: 28 - 29

6. Stagonospora root and crown rot of lucerne

   • J. A. G. Irwin

   New Diseases Pages: 29 - 30

7. Alternaria helianthi on sunflower

   • J. L. Alcorn
   • W. Pont

   New Diseases Pages: 30 - 30

8. Yellow patches in oilseed rape crops

   • E. N. Bjarnason
   • B. C. Hanger
   • R. K. Osborn

   Research Reports Pages: 30 - 30

9. Letters to the editor

   • Robert H. Taylor

   Letter Pages: 32 - 32

10. G.S. Purss elected president for 1973

    News From The Executive Pages: 32 - 32

11. Plant pathology conference

    Announcement Pages: 32 - 32