Volume 74, numéro 2, 1993

Sommaire (4 articles)

  1. Effect of plant age, leaf age and leaf position on infection of carrot leaves by Cercospora carotae
  2. Timing of atrazine application for control of quackgrass (Agropyron repens)
  3. Effectiveness of carbon dioxide in compressed gas or solid formulation for the control of insects and mites in stored wheat and barley
  4. A note on the detection of the carrot weevil in Nova Scotia

 La société de protection des plantes du Québec, 1993