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27 results found
Considerable concern has been voiced regarding the reproducibility/transferability of RAPD markers across different genetic backgrounds in genetic mapping experiments. Therefore, separate gametic subsets (mapping populations) were used to construct individual random amplified polymorphic DNA (RAPD…
Author(s): Thomas L. Kubisiak, C.Dana Nelson, W.L. Name, M. Stine
Keywords: random amplified polymorphic DNAs (RAPDs), Pinus palustris Mill, genetic linkage maps, megagametophytic DNA
Source: Forest Genetics 3(4):203-211, 1996
Year: 1996
We used data from 322 natural longleaf pine (Pinus palustris Mill.) trees to include crown ratio as a continuous variable in taper equations. The data were divided into 10 crown-ratio classes and fitted taper equations into each class to detect trends in the coefficients. For application to…
Author(s): Dennis J. Shaw, Ralph S. Meldahl, John S. Kush, Greg L. Somers
Keywords: Crown ratio, longleaf pine, Pinus palustris Mill, tree taper equations, tree taper model
Source: Gen. Tech. Rep. SRS-66. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 8 p.
Year: 2003
In south-Alabama, establishment, survival, and growth of longleaf pine were improved by winter or fall burning before seedfall. Mechanical seedbed preparation was helpful after a fire and imperative when no burn was made.
Author(s): Thomas C. Croker
Keywords: Pinus palustris Mill, shelterwood, direct seeding, supplemental seeding
Source: Res. Pap. SO-112. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 9 p.
Year: 1975
Summer fires in existing longleaf pine stands carry undue risk of pine mortality. One summer fire caused as much mortality among pines in the l- through 4-inch d.b.h. classes as two successive summer fires among hardwoods of the same size. Mortality among mature pines was also excessive. Hardwood…
Author(s): William D. Boyer
Keywords: Hardwood control, Pinus palustris Mill, prescribed fire
Source: Res. Pap. SO-256. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 7 p.
Year: 1990
Herbaceous plant control with mulch or hexazinone herbicide influenced planted longleaf pine (Pinus palustris Mill.) seedling total height on a silt loam site in central Louisiana. The site had been sheared and windrowed in 1991, and rotary mowed before three treatments were established in a…
Author(s): James D. Haywood
Keywords: Pinus palustris Mill, loblolly pine, P. taeda, plantation establishment, competition control, vegetation management
Source: New Forests, <b>19:</b>, pp. 279-290
Year: 2000
Herbage yields averaged 1,295, 1,024, and 885 lb/acre/yr in longleaf pine stands thinned to 80, 80, and 100 ft2 of basal area/acre. Yields were also related to May-September rainfall.
Author(s): Harold E. Grelen, Richard E. Lohrey
Keywords: Pinus palustris Mill
Source: Res. Note SO-232. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 4 p.
Year: 1978
Prescribed burning in midspring may stimulate height growth of longleaf pine seedlings. Seedlings were planted on sandy and clayey sites that were prescribed burned 2 years later. Treatments were cool, moderate, and hot burns and an unburned control. The hot, May burn significantly increased…
Author(s): William R. Maple
Keywords: Pinus palustris Mill, brown-spot needle blight, Scirrhia acicola, planting
Source: Res. Note SO-228. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 2 p.
Year: 1977
Longleaf pine, although widely distributed in the presettlement forests of the southern Coastal Plain, now occupies less than 10 percent of its original range. It is a highly desirable species because it resists fire, insects, and disease and produces excellent quality solid-wood products.…
Author(s): James P. Barnett, John M. McGilvray
Keywords: Nursery practices, Pinus palustris Mill, planting techniques, seed germination
Source: Gen. Tech. Rep. SRS-14. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 36 p.
Year: 1997
four mechanical treatments (untreated, partial girdling in the spring, partial girdling in summer, and banding in spring) stimulated cone production of pole-sized slash and longleaf pines. A 2- to 3-fold increase in slash pine seed production was limited to the first crop originating after the…
Author(s): James P. Barnett
Keywords: Pinus elliottii Engelm, Pinus palustris Mill, seed orchard, girdling, seed quality
Source: In: Lantz, Clark W.; Moorhead, David J., cornps., Proceedings of the 22nd southern forest tree improvement conference; 1993 June 14-17; Atlanta, GA. Athens, GA: Cooperative Extension Service: 59-64.
Year: 1993
Over a period of 16 years, unburned longleaf pine (Pinus palustris Mill.) pole stands grew an average of 27% more volume than similar stands regularly burned. Treatments included biennial burns in winter, spring, and summer plus an unburned check, each of which was combined with three supplemental…
Author(s): William D. Boyer, James H. Miller
Keywords: Prescribed fire, Pinus palustris Mill, stand growth, hardwood control, herbicide injection, understory clearing
Source: Forest Ecology and Management 70 (1994) 311-318
Year: 1994
https://www.fs.usda.gov/treesearch/search/query?f%5B0%5D=publication_keywords%3APinus%20palustris%20Mill