by U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station in New Orleans, La .
Written in English
|Other titles||Growing season burns for control of hardwoods in longleaf pine stands|
|Statement||William D. Boyer|
|Series||Research paper SO -- 256|
|Contributions||Southern Forest Experiment Station (New Orleans, La.)|
|The Physical Object|
|Pagination||7 p. ;|
Experimental spring and summer fires for controlling broadleaved woody competition were conducted in longleaf pine (Pinus palustris) stands in SW Alabama. A single hot summer fire did not cause much mortality of upland broadleaves; a second summer fire 2 yr later resulted in most of the mortality of upland and bottomland species. The summer fires caused unacceptable Cited by: Controlling Hardwoods in Longleaf Pine Restoration 4 Several herbicides may be broadcast by ground or aerial equipment to selectively remove hardwood trees and brush in southern pine stands. The most common materials are Arsenal Applicators Concentrate (imazapyr) and various formulations of hexazinone (Velpar L, Velpar ULW, and Pronone 10 G). Pine Stands without Longleaf in the Overstory and No Recent Fire History. at least 2 successive growing season burns should be performed prior to harvest of the overstory in preparation for reforestation. it is difficult to get enough fire into the centers to control invading pines or hardwoods. Gaps of that size or smaller allow few. The longleaf pine (Pinus palustris) is a pine native to the Southeastern United States, found along the coastal plain from East Texas to southern Maryland, extending into northern and central Florida. It reaches a height of 30–35 m (98– ft) and a diameter of m (28 in). In the past, before extensive logging, they reportedly grew to 47 m ( ft) with a diameter of m (47 in).Clade: Tracheophytes.
establishment and maintenance of the longleaf pine ecosystem. The first time a stand is burned it is best to do it in winter, under exacting conditions of wind, temperature, and humidity. Subsequent burns during the growing season may be done to control hardwoods. Prescribed fire regimes on a year cycle are : Patrick J. Minogue, Kimberly Bohn, Rick Williams. growing-season prescribed burns and to complete fire exclusion are described here. Methods The study was established on a sandy upland Coastal Plain site on the Escambia Experimental Forest? in southwest AIabama in At that time, study areas supported naturai stands of longleaf pine. These stands were 14 years old from seed and 12Cited by: In longleaf pine (Pinus palustris) stands in Alabama, two summer prescribed burns spaced 2 years apart killed small black cherry less than 1 inch d.b.h. These plants sprouted after the first fire but not after the second [ 10 ]. Prescribed burning in longleaf pine stands is used to control brown-spot needle blight, stimulate height growth, reduce excess fuel, control understory hardwoods, improve wildlife habitat, thin stands, and prepare a mineral seedbed [18,54].
Prescribed Fire •Burn stands on a year rotation •Reduce fuels with dormant season fires before attempting growing season burns •Time burns to fuel conditions as well as desired effect •Growing season burns result in more vigorous plant response and more diverse groundcover, but may incur some initial tree mortality •Vary burn block size and location so there are burned and. stands form park-like savannahs. Because longleaf pine regenerates in openings created by dead trees, small clusters of trees of the same age are dispersed throughout the stand. In the absence of frequent fire, the species is replaced by hardwoods and other southern pines; this hastens the decline of mature longleaf Size: 68KB. Longleaf Pine History in Virginia • At time of settlement (), there were between 1 and million acres of longleaf pine -dominated forests in Virginia. • Most longleaf pine was south of the James River, but range extended north to Accomack County on the Eastern Shore. the role of longleaf pine as a seral species main tained by recurrent fires. In , we initiated a long-term study of the population ecology of the old-growth stand of longleaf pine on the Wade Tract in southern Geor gia. Results of this work (Platt et al. ) suggest that longleaf pine is a long-lived conifer that occursFile Size: KB.