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An active program has been pursued in North America to cross-breed the Chinese and American chestnuts to try to maximize various desirable traits of the American chestnut, such as larger stature, greater nut sweetness, while also isolating and carrying the blight resistance from the Chinese chestnut. [6]
Japanese chestnut and Chinese chestnut, as well as Seguin's chestnut and Henry's chestnut, have been used in these breeding programs in the US to create disease-resistant hybrids with the American chestnut. [27] Chinese chestnut trees have been found to have the highest resistance to chestnut blight; [17] however, individuals within the Chinese ...
Sterculia monosperma, also known as Chinese chestnut, Thai chestnut, seven sisters' fruit, [1] and phoenix eye fruit, [2] is a deciduous tropical nut-bearing tree of genus Sterculia. Distribution [ edit ]
Young tree in natural habitat American chestnut male (pollen) catkins. Castanea dentata is a rapidly-growing, large, deciduous hardwood eudicot tree. [20] A singular specimen manifest in Maine has attained a height of 115 feet (35 m) [21] Pre-blight sources give a maximum height of 100 feet (30 m) and a maximum circumference of 13 feet (4.0 m). [22]
Bark of C. sativa (sweet chestnut). Chestnut trees are of moderate growth rate (for the Chinese chestnut tree) to fast-growing for American and European species. [4] Their mature heights vary from the smallest species of chinkapins, often shrubby, [5] to the giant of past American forests, C. dentata that could reach 60 metres (200 feet).
Castanea henryi, Henry chestnut, Henry's chestnut, or Chinese chinquapin (a name it shares with Castanea seguinii), pearl chestnut, and in Chinese: 锥栗, zhui li, is a species of chestnut native to south-central and southeast China. [2] A tree reaching 30 m, it is a source of good timber, but has smaller nuts than its size might suggest.
Eleocharis dulcis, the Chinese water chestnut or water chestnut, is a grass-like sedge native to Asia, tropical Africa, and Oceania. It is grown in many countries for its edible corms , but if eaten uncooked, the surface of the plants may transmit fasciolopsiasis .
In laboratory bioassays, win3.12-OxO lines showed elevated disease tolerance similar to that exhibited by blight-resistant Chinese chestnut. [ 21 ] In December 2023, TACF announced that they were discontinuing development of the Darling 58 due to poor performance results. [ 22 ]