Plant parasitic nematodes occurring in bushland soils in South Australia Francoise Reay Research Notes Pages: 13 - 14
Torula yeast: A growth supplement for improving sporulation of peronospora hyoscyami on Tobacco Greg Johnson Research Notes Pages: 15 - 16
Red rust (Cephaleuros virescens) on tea in Queensland G. I. JohnsonF. R. Hobman New Diseases Pages: 16 - 16
A virus with isometric particles from grass species in Queensland R. S. Greber New Diseases Pages: 17 - 17