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Precoce Migoule
The Precoce Migoule is a chestnut hybrid (CA 48), a natural cross between a European chestnut (Castanea sativa) and a Japanese chestnut (Castanea crenata). It was discovered by J. Dufrenoy at the orchard of Migoule in Brive-la-Gaillarde. The tree is vigorous and erect growing with growth of a metre (3 ft) or more in a season if the conditions are right. It is a large sized chestnut tree with height reaching 20 m (60 ft) or more and 7.5-10 m (25-35 ft) wide. Trees start to bear after 3 to 5 years. Full nut production in 12 - 20 years depending on the location. This hybrid can be grown in many areas where grapes are grown. It is cold hardy to -28C (-20F In an orchard with South West orientation it can be grown up to 500 m (1640 ft) elevation. It is an early ripening variety - great for northern climates where late ripening varieties can get damaged by frost - a very dependable producer in cool region It blooms early and is frost sensitive but can produce nuts from secondary ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Castanea Sativa
''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. Description ''C. sativa'' attains a height of with a trunk often in diameter. Around 20 trees are recorded with diameters over including one in diameter at breast height. A famous ancient tree known as the Hundred Horse Chestnut in Sicily was historically recorded at in diameter (although it has split into multiple trunks above ground). The bark often has a net-shaped (retiform) pattern with deep furrows or fissures running spirally in both directions up the trunk. The trunk is mostly straight with branching starting at low heights. The oblong-lanceolate, boldly toothed leaves are long and broad. The flowers of both sexe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Castanea Crenata
''Castanea crenata'', the Japanese chestnut, also known as the 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. Description ''Castanea crenata'' is a small to medium-sized deciduous tree growing to 10–15 m tall. The leaves are similar to those of the sweet chestnut, though usually a little smaller, 8–19 cm long and 3–5 cm broad. The flowers of both sexes are borne in 7–20 cm long, upright catkins, the male flowers in the upper part and female flowers in the lower part. They appear in summer, and by autumn, the female flowers develop into spiny cupules containing 3–7 brownish nuts that are shed during October. Cultivation and uses ''Castanea crenata'' is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brive-la-Gaillarde
Brive-la-Gaillarde (; Limousin dialect of oc, Briva la Galharda) is a commune of France. It is a sub-prefecture and the largest city of the Corrèze department. It has around 46,000 inhabitants, while the population of the agglomeration was 75,579 in 2019. Although it is by far the biggest commune in Corrèze, the capital is Tulle. In French popular culture, the town is associated with a song by Georges Brassens. History Even though the inhabitants settled around the 1st century, the city only started to grow much later. From around the 5th century onwards, the original city began to develop around a church dedicated to Saint-Martin-l'Espagnol. During the 12th century walls were built around the city and during the Hundred Years' War a second wall was built. These fortifications no longer exist and have been replaced by boulevards. The commune was named "Brive" until 1919, when it was renamed "Brive-la-Gaillarde". The word "Gaillarde" (still used in current French) probab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Catkin
A catkin or ament is a slim, cylindrical flower cluster (a spike), with inconspicuous or no petals, usually wind-pollinated (anemophilous) but sometimes insect-pollinated (as in ''Salix''). They contain many, usually unisexual flowers, arranged closely along a central stem that is often drooping. They are found in many plant families, including Betulaceae, Fagaceae, Moraceae, and Salicaceae. Occurrence Catkin-bearing plants include many trees or shrubs such as birch, willow, aspen, hickory, sweet chestnut, and sweetfern (''Comptonia''). In many of these plants, only the male flowers form catkins, and the female flowers are single ( hazel, oak), a cone (alder), or other types (mulberry). In other plants (such as poplar), both male and female flowers are borne in catkins. In Britain, they can be seen in January or February, when many trees are bare for winter. They can even occur in December. Evolution For some time, catkins were believed to be a key synapomorphy among the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rust (fungus)
Rusts are plant diseases caused by pathogenic fungi of the order Pucciniales (previously known as Uredinales). An estimated 168 rust genera and approximately 7,000 species, more than half of which belong to the genus ''Puccinia'', are currently accepted. Rust fungi are highly specialized plant pathogens with several unique features. Taken as a group, rust fungi are diverse and affect many kinds of plants. However, each species has a very narrow range of hosts and cannot be transmitted to non-host plants. In addition, most rust fungi cannot be grown easily in pure culture. A single species of rust fungi may be able to infect two different plant hosts in different stages of its life cycle, and may produce up to five morphologically and cytologically distinct spore-producing structures viz., spermogonia, aecia, uredinia, telia, and basidia in successive stages of reproduction. Each spore type is very host specific, and can typically infect only one kind of plant. Rust fungi are o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phytophthora
''Phytophthora'' (from Greek language, Greek (''phytón''), "plant" and (), "destruction"; "the plant-destroyer") is a genus of plant-damaging oomycetes (water molds), whose member species are capable of causing enormous economic losses on crops worldwide, as well as environmental degradation, environmental damage in natural ecosystems. As well as impacting large scale agriculture, ''Phytophthora'' is a nuisance to garden and indoor plant hobbyists as well as bonsai artists. The cell wall of ''Phytophthora'' is made up of cellulose. The genus was first described by Anton de Bary, Heinrich Anton de Bary in 1875. Approximately 170 species have been described, although 100–500 undiscovered ''Phytophthora'' species are estimated to exist. Pathogenicity ''Phytophthora'' species, spp. are mostly pathogens of dicotyledons, and many are relatively host-specific parasites. ''Phytophthora cinnamomi'', though, infects thousands of species ranging from club mosses, ferns, cycads, coni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marsol (chestnut)
Marsol (aka Marisol) is a natural chestnut hybrid, a cross between a European chestnut (Castanea sativa) and Japanese (Castanea crenata) (CA 07). INRA produced this variety from Lalevade-d'Ardèche. It is mainly used as a rootstock because of its good graft compatibility with many varieties. As a rootstock, it is more vigorous than Maraval (equal to Bouche de Betizac or Comballe). Trees are resistant to rust and roots have some resistance to ink disease. Marsol is the most sensitive chestnut cultivary to Dryocosmus kuriphilus - the chestnut gall wasp, and very sensitive to the codling moth,Conduite du Châtaignier en agriculture biologique dans le sud-oues, 2015 fairly sensitive to root asphyxiation, resistant to mosaic virus, slightly susceptible to chestnut blight. Trees are of medium height with a long trunk and branches higher up. Early bud breaks makes the shoot development sensitive to spring frosts. The male catkins flower from June 19–30 June followed by female fl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maraval (chestnut)
{{Short description, Hybrid chestnut Maraval is a named natural chestnut hybrid (synonym CA 74), a cross between a European chestnut (Castanea sativa) and a Japanese chestnut (Castanea crenata). 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. Maraval are not very demanding to the quality of the soil and produce nuts in 4 to 5 years. Maraval grow at 250-300 m of altitude in the warm regions of France such as Gironde, Dordogne, Pyrenees-Atlantiques, Midi-Pyrenees. The tree is considered partially pollinating since its pollen is not very fertile. Its early budding makes it sensitive to spring frosts. It is resistant to leaf rust and ink disease. The tree is a mid-season hybrid variety, upright with moderate vigor and medium stature. The medium stature allow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marigoule (hybrid)
Marigoule is the name of a french hybrid of chestnut (synonym M.15 or CA 15), cross between a European chestnut (Castanea sativa) and Japanese (Castanea crenata). In 1986, it originated from a Migoule orchard in Ussac in Corrèze. Marigoule (a contraction of Marron of Migoule) is a very tasty chestnut. It should be planted in rather low altitude in very sunny areas and protected from the wind (up to 300 m elevation for South-West orchard orientation or up to 400 m elevation in South-East orchard orientation). 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. Culture As rootstock, it is graft incompatible with many varieties but compatible with Precoce Migoule, Maridonne, Bournette, Fertil, Sauvage Marron, Precoce Monteil and Sucquette. Marigoule has medium quality pollen. This cultivar can be a pollinator for most of the pollen sterile chest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bouche De Betizac
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 (female Bouche rouge × male Castanea crenata CA04). 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 (3 tons per hectare on average). Its fruit is bright, light chestnut-brown quickly turning brown and dark brown. Culture The upright tree of moderate height can be planted tightly in chestnut groves (7 m x 7 m), with 200 productive trees per hectare. In addition, its productivity matures quickly. In drip irrigated culture, in Bordeaux, the cumulative production at the age of 5 to 7 years can be between 21 and 40 kg per tree. "Bouche de Bétizac" is pollen sterile and is pollinated by many varieties such as Belle Epine (c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chestnut Cultivars
The chestnuts are the deciduous trees and shrubs in the genus ''Castanea'', in the beech family Fagaceae. They are native to temperate regions of the Northern Hemisphere. The name also refers to the edible nuts they produce. The unrelated horse chestnuts (genus ''Aesculus'') are not true chestnuts, but are named for producing nuts of similar appearance that are mildly poisonous to humans. True chestnuts should also not be confused with water chestnuts, which are tubers of an aquatic herbaceous plant in the sedge family Cyperaceae. Other species commonly mistaken for chestnut trees are the chestnut oak (''Quercus prinus'') and the American beech (''Fagus grandifolia''),Chestnut Tree in chestnuttree.net. both of which are also in the Fagaceae family. |
