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Home Publications Tree Planters' Notes Tree Planters' Notes Issue 71 (1965) Effect of Dacthal 75 on the Growth of Nursery Stock

Effect of Dacthal 75 on the Growth of Nursery Stock

In the spring of 1964, several sections of the Bascobel State Nursery (Wisconsin) were treated with 6 pounds per acre of Dacthal 75 herbicide (dimethyl-tetrachloroterepthalate), distributed as wettable powder. Two weeks after treatment, 2-0 seedlings of red pine, white pine, and white spruce were transplanted on the area. At the end of the growing season, samples of soils and 2-1 transplants were collected from control and herbicidetreated beds and analyzed according to procedures described by Wilde et al. (1964). The results reported here present a picture seldom obtained from eradicant tests (Iyer 1964).

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Author(s): Jaya G. Iyer

Publication: Tree Planters' Notes - Issue 71 (1965)