Light Intensity and the Absorption and Translocation of 2,4,5-T by Woody Plants
Keyword(s):
Post Oak
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Absorption of the isooctyl ester of (2,4,5-trichlorophenoxy)-acetic acid varied more than 20% in four woody species when incident light intensity was increased from 40 to 4,000 ft-c. Variations in translocation of the herbicide of 45 to 50% in post oak (Quercus stellataWangenh.) and water oak (Quercus nigraL.) accompanied changes in illumination. Light intensity did not affect translocation in longleaf pine (Pinus palustrisMill.) or American holly (Ilex opacaAit.)