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Corylus avellana, the common hazel, is a species of flowering plant in the birch family Betulaceae. The shrubs usually grow 3–8 metres (10–26 feet) tall. The nut is round, in contrast to the longer filbert nut. Common hazel is native to Europe and Western Asia. The species is mainly cultivated for its nuts.
This article is a list of diseases of hazelnut (Corylus avellana & Corylus spp.). Bacterial diseases. Bacterial diseases; Bacterial blight Xanthomonas arboricola pv.
The hazelnut is the fruit of the hazel tree and therefore includes any of the nuts deriving from species of the genus Corylus, especially the nuts of the species Corylus avellana. [1] They are also known as cobnuts or filberts according to species. Hazelnuts are used as a snack food, in baking and desserts, and in breakfast cereals such as muesli.
Corylus americana – American hazel, eastern North America; Corylus avellana – Common hazel, Europe and western Asia; Corylus heterophylla – Asian hazel, Asia; Corylus yunnanensis – Yunnan hazel, central and southern China; Involucre long, twice the length of the nut or more, forming a 'beak' Corylus colchica – Colchican filbert, Caucasus
Corylus: hazels; Corylus americana: American hazel; American hazelnut Betulaceae (birch family) Corylus avellana: common hazel Betulaceae (birch family) Corylus colurna: Turkish hazel Betulaceae (birch family) Corylus cornuta: beaked hazel; beaked hazelnut Betulaceae (birch family) Corylus maxima: filbert Betulaceae (birch family) Ostrya: hop ...
The common hazel (Corylus avellana) and the filbert (Corylus maxima) are important orchard plants, grown for their edible nuts. The other genera include a number of popular ornamental trees , widely planted in parks and large gardens; several of the birches are particularly valued for their smooth, brightly coloured bark .
Anisogramma anomala's host is the European hazelnut. It is a particular problem on Corylus avellana, which is farmed commercially.Wild alternate hosts do exist and make elimination of the disease particularly hard. [4]
They feed on leaves of the host plant, [4] the hazel (Corylus avellana), hence the Latin name coryli of the species, meaning hazelnut. Only in exceptional cases other deciduous trees, such as alder ( Alnus species), birch ( Betula species), common hornbeam ( Carpinus betulus ), [ 2 ] common beech ( Fagus sylvatica ) and hop-hornbeam ( Ostrya ...