The Role of 2, 4-D in the Appearance of a Leaf Blight of Some Plains Tree Species
Abstract:For several years a leaf blight of undetermined origin has appeared on Acer negundo L. and occasionally on several other tree species of the northern Great Plains. Growth loss and unsightly appearance have resulted in a decrease in the use of boxelder as a shelterbelt species. Several factors associated the blight with damage by 2,4-D--a herbicide used extensively in this region as a crop spray applied both aerially and from the ground. A study involving the use of indicator plants sensitive to 2,4-D, root repression tests and chromatographic analysis of blighted foliage was undertaken to test this hypothesis. In addition, the sensitivity of boxelder foliage to applied 2,4-D was tested and the very young leaf buds found to be malformed by as little as .01 microgram. Results of all tests indicate that 2,4-D is the cause of the blight.
Document Type: Journal Article
Affiliations: Research Forester with the Lake States Forest Expt. Sta., Forest Service, U.S. Dept. of Agriculture
Publication date: September 1, 1963
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- Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
Forest Science is published bimonthly in February, April, June, August, October, and December.
2015 Impact Factor: 1.702
Ranking: 16 of 66 in forestry
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