New Growth Stage Keys
The Secretariat has noted the publication of the following growth stage keys:
- Growth stage keys of Brassica crops for crop protection purposes, by J. Theunissen and A. Sins (1984).
Available as a reprint from:
Elsevier Science Publishers,
P.O. Box 211
1000 AE AMSTERDAM
- Lutman, P.J.W. and Tucker, G.G. (1986).
Standard descriptions of growth stages of annual dicotyledonous weeds. Ann. appl. Biol., 110, 683-687.
- Growth stages on pome fruit.
Available as Merkblatt Nr. 27/15 from:
These will eventually be covered by EPPO's own series of Growth Stage Keys in Bulletin OEPP/EPPO Bulletin.