Healthy planting materials: strategies and technologies;Proceedings of a Symposium organised by the AssociationofApplied Biologists and the British Crop Protecction Council and held at University of Reading, 6th-8th January,1986 / edited by D. Rudd-Jones and F.A. Langton. - Thornton Heath : BCPC Publications, 1986. - xiv, 263 p. - BCPC Monogrsph; no.33. .

0901436976

55051680


Plants, Protection of.