3.0.CO;2-L, "Reworking the idea of chestnut (Castanea sativa Mill.) OCGW is a pest of sweet chestnut trees because activity by its larvae (the 'grubs', or immature life stage) causes abnormal growths, called galls, to form on the buds, leaves, and petioles (leaf stalks). The other native trees that bloom late in the year around the same time as American chestnuts are Black Locust and Sourwood. [37] Various composition and health studies have shown its big potential as a food ingredient and functional food. 1 (1768). By hand with nets: This technique is less time-consuming and protects the fruits from injuries. The flowers of both sexes are borne in 10–20 cm (4–8 in) long, upright catkins, the male flowers in the upper part and female flowers in the lower part. In the past, its characteristic and nutritional components gave sweet chestnut an important role in human nutrition due to its beneficial health effects. Mechanical: The fruits are collected with a machine that works similarly to a vacuum cleaner. Sweet chestnut is a deciduous tree which can reach 35m when mature and live for up to 700 years. Chestnut trees (Castanea) are deciduous trees in the beech family (Fagaceae). A non-profit-making company limited by guarantee. Chestnut trees can also be treated in the same way from just a few feet away determine "Sick or not sick". Chestnut tree leaves are long and toothed like. In the northern hemisphere, they appear in late June to July, and by autumn, the female flowers develop into spiny cupules containing 3-7 brownish nuts that are shed during October. With biological control, the population of the sweet chestnut is not threatened anymore by the chestnut blight and is regenerating. [21] In the mid-seventh-century Lombard laws a composition of one solidi is set for felling a chestnut tree (or, also, hazel, pear or apple) belonging to another person (Edictus Rothari, No. [12], Similar to the introduction of grape vine and olive cultivation to the Latin world, C. sativa is thought to have been introduced during the colonisation of the Italian peninsula by the Greeks. [12] Pollen data indicates that the first spreading of C. sativa due to human activity started around 2100-2050 B.C. Sweet chestnut is native to southern Europe, western Asia and north Africa. Sweet chestnut timber is similar to oak but is more lightweight and easier to work. in Anatolia, northeastern Greece and southeastern Bulgaria. A large number of micro-moths feed on the leaves and nuts. [25] Low temperature in autumn can damage the fruit. Certain types of chestnut trees are common only in certain areas as mentioned in the descriptions above. [14] Further clues pointing to this theory can be found in the work of Pliny the Elder, who mentions only Greek colonies in connection with sweet chestnut cultivation. They belong to the same family as oaks and beeches. The sweet chestnut species planted in Europe and America are very sensitive to these pathogens. They also have long pointed buds. protect athletic and sports equipment … [6][11] Ink disease is infesting trees mostly in humid soils, with the mycelium invading the root and resulting in wilting of the leaf. It is thought to have been introduced to the British Isles by the Romans and today can be found commonly throughout the UK in woods and copses, especially in parts of southern England where it is still managed to form large areas of coppice. After pollination by insects, female flowers develop into shiny, red-brown fruits wrapped in a green, spiky case. The two major fungal pathogens of the sweet chestnut are the chestnut blight (Cryphonectria parasitica) and the ink disease caused by Phytophthora cambivora and Phytophthora cinnamomi. The twigs are purple-brown and buds are plum, red-brown and oval in shape. Since the beginning of the 20th century, due to depopulation of the countryside and the abandonment of the sweet chestnut as a staple food as well as the spread of chestnut blight and ink disease, C. sativa cultivation has dramatically decreased. Oriental Chestnut Gall Wasp – Causes buds & leaves to swell, stunting Sweet Chestnut tree growth over time. [12] Theophrastus focuses mainly on the use of sweet chestnut wood as timber and charcoal, only mentioning the use of the fruit once when commenting on the digestive difficulties it causes, but praising its nourishing quality. ", "Technological Parameters of Water Curing Affect Postharvest Physiology and Storage of Marrons (Castanea Sativa Mill., Marrone Fiorentino)", An easy way of peeling the pellicle, or pithy skin, "Chemical composition of chestnut cultivars from Spain", "Health benefits of nuts: potential role of antioxidants", European Forest Genetic Resources Programme, https://en.wikipedia.org/w/index.php?title=Castanea_sativa&oldid=991269411, Articles with limited geographic scope from July 2020, Articles with unsourced statements from April 2020, Creative Commons Attribution-ShareAlike License. [8], Sweet chestnut has been listed as one of the 38 substances used to prepare Bach flower remedies,[23] a kind of alternative medicine promoted for its supposed effect on health. Transform your home into a woodland wonderland this Christmas with our easy ideas for festive, foraged home decor. [19] While the husks of sweet chestnuts, dated to the third or early fourth century, have been identified from the bottom of a Roman well at Great Holts Farm, Boreham, UK; this deposit includes remains of other exotic food plants and provides no evidence that any of them originated locally. The Sweet Chestnut has been planted in large quantities in the South East for charcoal manufacture. In others, falling branches or uprooted trees injure nearby horses. When the pollen reaches a female flower, fertilisation takes place and the flower develops into a fruit and looks like this in August. Roman soldiers were given chestnut porridge before going into battle. They can also be used in confections, puddings, desserts and cakes. In Pennsylvaniaalone, it is estimated to have comprised 25–30% of all hardwoods. [12] Carbonised sweet chestnuts were found in the Roman Villa Torre Annunziata, destroyed by the eruption of Mount Vesuvius in A.D. Chestnut blight has recently arrived in the UK, which causes bark cankers and can lead to dieback and death. Some leaves can be nearly twice this size. Castanea dentata is a rapidly growing deciduous hardwood tree, historically reaching up to 30 metres (98 ft) in height, and 3 metres (9.8 ft) in diameter. The bark is grey-purple and smooth, and develops vertical fissures with age. [20] Indeed, no center of sweet chestnut cultivation outside the Italian peninsula in Roman times has been detected. It can be used for carpentry, joinery and furniture. Heavily damaged leaves are cupped with necrotic and chlorotic edges and eventually abscise from the tree. Cooking dry in an oven or fire normally helps remove this skin. After water treatment, the sweet chestnuts are stored in a controlled environment with high carbon dioxide concentrations. Like row crops and small grains, chestnut trees have their share of pests. Mature trees can reach up to 35m in height. Types of mushroom in the UK: common identification guide, Woodland Walks podcast with Adam Shaw and Dan Snow, Foraging for natural Christmas decorations. All these photos are taken from the Tree Guide UK app. For as long as I can remember, sweet chestnuts have been a staple of autumn and winter evenings on our high streets. Chestnuts are traditionally roasted in their tough brown husks after removing the spiny cupules in which they grow on the tree, the husks being peeled off and discarded and the hot chestnuts dipped in salt before eating them. The timber has a density of 560 kg per cubic meter,[55] and due to its durability in ground contact is often used for external purposes such as fencing. [28] Before planting, seeds must be stratified at 2-3 °C so germination can start 30–40 days later. Severely infested shoots produce small, bunched leaves with reduced photosynthetic capacity (Figure A). [26], The sweet chestnut tree grows well on limestone-free, deeply weathered soil. The skin of raw peeled chestnuts can be relatively easily removed by quickly blanching the nuts after scoring them by a cross slit at the tufted end. American Chestnut Tree (Castanea dentate) American chestnut trees are large deciduous trees that … This page was last edited on 29 November 2020, at 05:04. 2296645), is a wholly owned subsidiary of the Woodland Trust. Cooking dry in an oven or fire normally helps remove this skin. Horse chestnut (Aesculus hippocastanum), which has similar nuts, but those of the sweet chestnut are smaller and found in clusters. The leaves are a fresh green, darker on the top than the bottom. Over 70 species found in the UK, from all the native trees to the common non-natives. The optimal average temperature is between 8 °C and 15 °C[25] and in January the temperature should preferably not be below -1 °C[27] but it may tolerate temperatures as low as -15 °C. In Switzerland, it is often served as Vermicelles. Figure A. The tree likes Sun to half-shade at the location and the soil should be sandy to sandy – loamy. Leaves are oblong with a pointed tip and toothed or serrated edge. In high numbers the galls can weaken sweet chestnut trees and make them more vulnerable to other pests and diseases, especially sweet chestnut blight, which is caused by the fungus Cryphonectria parasitica. They are oval or lance-shaped and edged by widely separated teeth. [22], The species is widely distributed throughout Europe, where in 2004 C. sativa was grown on 2.25 million hectares of forest, of which 1.78 million hectares were mainly cultivated for wood and 0.43 million hectares for fruit production. Names of Sweet Chestnut in various languages of the world are also given. Twigs are purple-brown and buds are red-brown and oval in shape. The leaves are completely different, with sweet chestnut having single, long, serrated leaves and sativa.[29]. We want to make sure everyone in the UK has the chance to plant a tree. [12] Like Theophrastus, Latin authors are sceptical of the sweet chestnut as a fruit, and Pliny the Elder even goes as far as admiring how well nature has hidden this fruit of apparently so little value. American chestnut is the rarest chestnut tree but can be identified by its leaves, which have large, sharp, and hooked teeth. [12], Increasing sweet chestnut pollen appearances in Switzerland, France, Germany and the Iberian peninsula in the first century A.D. suggests the spreading of cultivated sweet chestnut trees by the Romans. These old trees provide us with our classic Christmas nut. The leaves are completely different, with sweet chestnut having single, long, serrated leaves and horse chestnut having hand-shaped leaves with deeply divided lobes or ‘fingers’. [5] Some cultivars only produce one large seed per cupule, while others produce up to three seeds. [6], C. sativa is found across the Mediterranean region, from the Caspian Sea to the Atlantic Ocean. The bark resembles a large twisted steel cable. in Europe", "Projektstudie: Die Edelkastanie auf Obstwiesen - Eine Alternative zum Kirschanbau? Horse chestnut contains significant amounts of a poison called esculin and can cause death if eaten raw. [43] C. sativa is characterized by high moisture content which ranges from 41% to 59 %[44] and a considerable level of starch (≈40 g 100 g−1 dry matter). Then, gradually remove. The female flowers eventually form a spiky sheath that deters predators from the seed. 31:8; R.V., "plane trees").It is probably the Oriental plane tree … [42] The energy value per 100 g (3.5 oz) of C. sativa amounts to 891 kJ (213 kcal). The fruit yield per tree is usually between 30–100 kg, but can get as high as 300 kg. [8] A hair shampoo can be made from infusing leaves and fruit husks. Sweet chestnut has been found to be susceptible to fungal diseases. Keep in touch with the nature you love without having to leave the house. 1982873. 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