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An apricot is a fruit, or the tree that bears the fruit, of several species in the genus Prunus.
The chestnuts are the deciduous trees and shrubs in the genus Castanea, in the beech family Fagaceae. The name also refers to the edible nuts they produce. They are native to temperate regions of the Northern Hemisphere.
The American chestnut is a large, fast-growing deciduous tree of the beech family native to eastern North America. As is true of all species in the genus Castanea, the American chestnut produces burred fruit with edible nuts. The American chestnut was one of the most important forest trees throughout its range.
Fruit tree propagation is usually carried out vegetatively (non-sexually) by grafting or budding a desired variety onto a suitable rootstock.
Castanea sativa, the sweet chestnut, Spanish chestnut or just chestnut, is a species of tree in the family Fagaceae, native to Southern Europe and Asia Minor, and widely cultivated throughout the temperate world. A substantial, long-lived deciduous tree, it produces an edible seed, the chestnut, which has been used in cooking since ancient times.
Juglans nigra, the eastern American black walnut, is a species of deciduous tree in the walnut family, Juglandaceae, native to North America. It grows mostly in riparian zones, from southern Ontario, west to southeast South Dakota, south to Georgia, northern Florida and southwest to central Texas. Wild trees in the upper Ottawa Valley may be an isolated native population or may have derived from planted trees.
Canarium ovatum, the pili, is a species of tropical tree belonging to the genus Canarium. It is one of approximately 600 species in the family Burseraceae. C. ovatum are native to the Philippines. They are commercially cultivated in the Philippines for their edible nuts and is believed to be indigenous to that country. The fruit and tree are often vulgarized with the umbrella term of "Java almond" which mixes multiple species of the same genus, Canarium.
A rootstock is part of a plant, often an underground part, from which new above-ground growth can be produced. It could also be described as a stem with a well developed root system, to which a bud from another plant is grafted. It can refer to a rhizome or underground stem. In grafting, it refers to a plant, sometimes just a stump, which already has an established, healthy root system, onto which a cutting or a bud from another plant is grafted. In some cases, such as vines of grapes and other berries, cuttings may be used for rootstocks, the roots being established in nursery conditions before planting them out. The plant part grafted onto the rootstock is usually called the scion. The scion is the plant that has the properties that propagator desires above ground, including the photosynthetic activity and the fruit or decorative properties. The rootstock is selected for its interaction with the soil, providing the roots and the stem to support the new plant, obtaining the necessary soil water and minerals, and resisting the relevant pests and diseases. After a few weeks, the tissues of the two parts will have grown together, eventually forming a single plant. After some years, it may be difficult to detect the site of the graft although the product always contains the components of two genetically different plants.
The Valencia orange is a sweet orange cultivar named after the famed oranges in València, Spain. It was first hybridized by pioneer American agronomist and land developer William Wolfskill in the mid-19th century on his farm in Santa Ana, southern California, United States, North America.
A marron glacé is a confection, originating in France consisting of a chestnut candied in sugar syrup and glazed. Marrons glacés are an ingredient in many desserts and are also eaten on their own.
Castanea crenata, the Japanese chestnut or Korean chestnut, is a species of chestnut native to Japan and Korea. Castanea crenata exhibits resistance to Phytophthora cinnamomi, the fungal pathogen that causes ink disease in several Castanea species. The mechanism of resistance of Castanea crenata to Phytophthora cinnamomi may derive from its expression of the Cast_Gnk2-like gene.
Castanea mollissima, also known as the Chinese chestnut, is a species of chestnut tree in the family Fagaceae that is native to China, Taiwan, and Korea.
The H2 Hinde Tree is a heritage-listed tree of the species Macadamia integrifolia at Colliston, 926 Gilston Road, Gilston, City of Gold Coast, Queensland, Australia. It was added to the Queensland Heritage Register on 14 August 2008.
Maraval is a named natural chestnut hybrid, a cross between a European chestnut and a Japanese chestnut. INRA bred this variety in 1986 in France Lalevade-d'Ardèche. Maraval produces a big mahogany colored nut from triangular to elliptical triangular shape. The nut keeps well. Nut peeling is mediocre but good in boiling water. Nuts can be used fresh as well as for processing.
Bouche de Bétizac is a French chestnut cultivar developed in 1962 by INRA at the station of Malemort-sur-Corrèze near Brive. It is a controlled hybrid between Castanea sativa and Castanea crenata. This variety produces large to very large chestnuts. It has very good flavor for a hybrid. With Marigoule, it is the variety currently most cultivated in the French chestnut groves because it is very productive. Its fruit is bright, light chestnut-brown quickly turning brown and dark brown.
Marigoule is the name of a french hybrid of chestnut, cross between a European chestnut and Japanese. In 1986, it originated from a Migoule orchard in Ussac in Corrèze. Marigoule is a very tasty chestnut. It should be planted in rather low altitude in very sunny areas and protected from the wind. Otherwise its productivity remains small. In France, it is grown mainly South of the Dordogne and Lot-et-Garonne for the fresh market production because of the nuts beautiful appearance.
Marsol is a natural chestnut hybrid, a cross between a European chestnut and Japanese.
Comballe is a French traditional chestnut variety. In France, it is the variety with the largest production. This beautiful rustic nut of Ardèche origin has a bright, streaky chestnut colour. Its fine, sweet and fragrant flesh justifies the excellent taste reputation.
The chestnut cultivar Colossal originates from the USA - California Central Valley. It is a Castanea sativa × Castanea crenata hybrid that is cold hardy to −20 °F (−29 °C). The tree can be grown in Zones 4-8, blooms early, and is pollen sterile. Colossal is chestnut blight, root rot and kernel rot susceptible.
Gnomoniopsis castaneae is a fungus of the order Diaporthales that is the most important cause of brown chestnut rot, an emerging disease that damages the fruit of chestnuts. It also causes cankers and necrosis on leaves and on chestnut galls caused by the gall wasp, Dryocosmus kuriphilus. Additionally, it can cause cankers on other chestnut species, red oak, hazelnut trees, less severe damage to some nut trees, and lives as an endophyte on other nut trees. The disease has been reported in Europe, Oceania, and has recently been found in North America; for this reason, the fungus is considered a potential threat to the reintroduction of the American chestnut.
References
- "Châtaignes et marrons" - Henri BREISCH - éditeur CTIFL - 1995
- Hennion, B.; Chestnut production in France: review, perspectives.; Acta Horticulturae, 2010, No.866, pp.493-497
- Pereira-Lorenzo S. et al. (2012) Chestnut. In: Badenes M., Byrne D. (eds) Fruit Breeding. Handbook of Plant Breeding, vol 8. Springer, Boston, MA
- Andrea Vannini and Anna Maria Vettraino; Ink disease in chestnuts: impact on the European chestnut; Forest Snow and Landscape Research 76, 3: 345–350 (2001)
- Sandra L. Anagnostakis, The Connecticut Agricultural Experiment Station CULTIVARS OF CHESTNUT, 2013, accessed 2017