First-Year Survival and Growth of Loblolly Pine Seedlings Released From Perennial Weeds in Old Fields of Northeastern Arkansas
Selected herbicide mixtures were assessed for controlling perennial weeds in old pastures and enhancing the growth of recently planted loblolly pine (Pinus taeda L.). Bareroot seedlings planted in February 1990 near Batesville, Arkansas, were released from herbaceous perennial weeds with herbicides in April 1990. After one growing season, seedling mortality was 18% in treated and 30% in untreated plots. Seedling height was less responsive to weed control than diameter, with both attributes less responsive than expected, possibly because soils were compacted from previous land uses. Most herbicide mixtures studied offered similar weed control, pine tolerance, and seedling growth. Relative stem biomass per dollar of herbicide was greatestfor sulfometuron + hexazinone (0.04 + 0.22 kg active ingredient per treated hectare). Tree Planters' Notes 44(1):25-32; 1993.
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Author(s): Emile S. Gardiner, Jimmie L. Yeiser
Publication: Tree Planters' Notes - Volumes 44, Number 1 (1993)
Section: Peer-Reviewed Articles
Volume: 44
Number: 1
