"The wail of the chestnut tree lover is heard from all parts of New York, Long Island and adjacent country," wrote the Times in another 1908 story, oozing with helplessness and distress. It was the "most rapid and destructive" fungus known to the world, according to the Times.Ī chestnut trunk bulging with blight at the TACF orchard in Montgomery County. In just a few years, the chestnut blight had killed thousands of the valuable timber trees, an economic loss of $5 to $10 million. "All the chestnut trees in the United States are doomed to destruction," wrote the New York Times, as efforts to contain the blight were stymied. area, with reports coming in from Maryland and Virginia. Affected trees succumbed quickly.īy 1908, blight had made its way to the D.C. The zoo's forester found small orange-red dots on the bark of chestnut trees, and cankers encircling the trunks. The story of the American chestnut's demise starts in 1904, at the Bronx Zoo in New York City. Nowadays, the "redwood of the East" very rarely grows large enough to flower and bear fruit. But the roots can live on, repeatedly sending up new sprouts, only to have them knocked down after a few years. When chestnut blight attacks, it girdles the tree's trunk, cutting off nutrients and killing everything above. "That's the tree trying to make another go at it," says Popkin. This small tree is what is known as a stump sprout - a young tree growing from old roots. The chestnut is identifiable by its sharply saw-toothed leaves (beeches have much shallower serrations, while chestnut oaks have rounded serrations.) The tree he's stopped at is a completely unremarkable sapling, blending in with nearby beech and chestnut oaks, which have similar leaves. In Rock Creek Park, a handful of American chestnuts can be found on the steep eastern ridge above the creek. Nowadays, finding surviving chestnuts isn't easy - but a few hundred have been documented growing wild recently in the District, Maryland and Virginia. area, accounting for as many as one in four trees in some places. It could make a comeback, thanks to modern science and a highly committed cadre of chestnut aficionados, including dozens of locals who volunteer their time and land in an attempt to bring the tree back from the brink of extinction.Īmerican chestnuts were once among the most common trees in forests in the D.C. The tree was wiped out a century ago by blight, but the American chestnut can still be found clinging to life in forests around D.C. It was an amazing food source: each fall, the tree would drop an unbelievable bounty of tasty and nutritious nuts - feeding wildlife, livestock and people. The American chestnut tree was once called "the redwood of the East" because of how huge it could grow. Prepared by Gary W.Bruce Levine, with the American Chestnut Foundation, looks for a ripe chestnut at an orchard of hybrid trees. Twig canker (Chinese and Japanese chestnuts)Ĭankers on any part of the tree girdle and kill the tissue. Spots may drop out and leave a shot hole, or leaves may fall prematurely. Small, circular, yellow to brown spots have concentric rings within them. Chinese and Japanese chestnuts are not immune but have some resistance. During wet weather, yellowish masses of spores ooze from orange pimple-like fruiting structures that pepper the surface of the canker.Ĭryphonectria parasitica (formerly Endothia parasitica)Īmerican and European chestnuts are susceptible. Water sprouts may develop below the canker. As the stems are girdled, the leaves yellow and brown but remain attached to the branch. Slightly sunken or slightly swollen cankers on branches or the trunk are yellow-brown and oval or irregular in shape.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |