In the late 1800s a fungal blight entered the U.S. from imported Asian chestnut trees, killing more than 3 billion American chestnut trees over 50 years. Listen to "Chestnut Tree" (Helen's Song) Inspired by the stories told by Helen Titch Nichols, born in 1924; History of the American chestnut and the chestnut blight. Excerpt taken from Volume 7, Issue 1 of the Journal of the American Chestnut Foundation. 24. 23. The ruin of American chestnut was caused by a blight. The American chestnut is not extinct, though…. The chestnut blight (Cryphonectria parasitica) may have come accidentally into this country on several Asian chestnut trees. Before the early 1900s, the American chestnut was the predominant tree species in eastern forests. Blight Control #1: Soil Compress Method. Background on American chestnut and chestnut blight The American Chestnut Research and Restoration Project. Griffin, G. J. While they can contract the disease, they don’t show the serious symptoms seen in American chestnuts. Chestnut blight, plant disease caused by the fungus Cryphonectria parasitica (formerly known as Endothia parasitica).Accidentally imported from Asia, the disease was first observed in 1904 in the New York Zoological Gardens.By 1925 it had decimated the American chestnut (Castanea dentata) population in an area extending over 1,600 km (1,000 miles) north, south, and west of its entry point. Chestnut Blight: Cryphonectria parasitica Chestnut blight is caused by the fungus Cryphonectria parasitica and infects American chestnut trees (Castanea dentata) throughout the United States and Canada. Griffin, G. J. American chestnut survival in understory mesic sites following the chestnut blight pandemic. Then they disappeared, along with the food, jobs and a way of life. Chestnut blight found its way into the U.S. in the late nineteenth century on imported Asian chestnut trees. Once a major tree species, American chestnut trees filled Eastern and Midwestern forests. Plant Disease 73:123-127. Japanese and Chinese chestnuts are resistant to the disease. 1989. Today, more than 100 years after a blight forced it into extinction, scientists are … 1992. Incidence of chestnut blight and survival of American chestnut in forest clearcut and neighboring understory sites. Blights are diseases that kill the leaves, flowers, and stems of plants. The Blight. Canadian Journal of Botany 70:1950-1956. 25. Some years ago Dr. Wayne Weidlich, an ACF Director, noted that chestnut blight will grow on chestnut roots if they are exposed.


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