In biology, the BBCH-scale for pome fruit describes the
phenological
Phenology is the study of periodic events in biological life cycles and how these are influenced by seasonal and interannual variations in climate, as well as habitat factors (such as elevation).
Examples include the date of emergence of leav ...
development of fruits such as
apple
An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple trees are cultivated worldwide and are the most widely grown species in the genus '' Malus''. The tree originated in Central Asia, where its wild ances ...
s and
pear
Pears are fruits produced and consumed around the world, growing on a tree and harvested in the Northern Hemisphere in late summer into October. The pear tree and shrub are a species of genus ''Pyrus'' , in the family Rosaceae, bearing the p ...
s using the
BBCH-scale The BBCH-scale is used to identify the phenological development stages of plants. BBCH-scales have been developed for a range of crop species where similar growth stages of each plant are given the same code.
Phenological development stages of plan ...
.
The phenological growth stages and BBCH-identification keys of pome fruit are:
1 From terminal bud
References
* {{cite journal
, last = Meier
, first = U.
, author2=H. Graf , author3=M. Hess , author4=W. Kennel , author5=R. Klose , author6=D. Mappes , author7=D. Seipp , author8=R. Stauss , author9=J. Streif , author10=T. van den Boom
, title = Phänologische Entwick-lungsstadien des Kernobstes (Malus domestica Borkh. und Pyrus communis L.), des Steinobstes (Prunus-Arten), der Johannisbeere (Ribes-Arten) und der Erdbeere (Fragaria x ananassa Duch.).
, journal = Nachrichtenbl. Deut. Pflanzenschutzd.
, volume = 46
, pages = 141–153
, year = 1994
External links
A downloadable version of the BBCH Scales
BBCH-scale