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Release of 7-year-old underplanted white pine using hexazinone applied with a spot gunAuthor(s): G. W. Wendel; J. N. Kochenderfer; J. N. Kochenderfer
Source: Res. Pap. NE-614. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7 p
Publication Series: Research Paper (RP)
Station: Northeastern Research Station
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DescriptionHexazinone, Velpar-L?, applied at rates of 1 .O, 1.5, and 1.75 ml per spot, controlled competing hardwoods around 7-year-old underplanted white pine. Growth response was more pronounced when hexazinone was applied to release individual pines than when the entire area was treated on a 6 by 6- foot grid. In most cases, hexazinone killed white oak, chestnut oak, American beech, sourwood, red maple, and black gum. Yellow-poplar, red oak, cucumbertree, black cherry, sugar maple, sweet birch, and sassafras showed variable sensitivity to hexazinone. Three years after treatment, resprouting of killed stems and white pine mortality remain low.
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CitationWendel, G. W.; Kochenderfer, J. N. 1988. Release of 7-year-old underplanted white pine using hexazinone applied with a spot gun. Res. Pap. NE-614. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7 p
Keywordsspot gun, herbicide, release, white pine
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