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Full-Text Articles in Life Sciences
Pisolithus Tinctorius Mycobiont Inoculations As A Factor In Performance Of Containerized And Bare-Root Shortleaf Pine Seedlings On Lignite Minesoils In Panola County, Texas, Hoy Lee Bryson
Electronic Theses and Dissertations
The effects of artificial soil infestation with basidiospores and vegetative mycelia of the fungal symbiont Pisolithus tinctorius on ectomycorrhizae development of short leaf pine (Pinus echinata) seedlings grown in styroblock containers were tested in the greenhouse. These preliminary tests showed that both spores and mycelia will produce satisfactory ectomycorrhizae development. Various methods of inoculation had little effect on growth and development of containerized seedlings or on the accumulation of N, P, K, Ca, Mg, Na, Mn, Zn, or Cu in foliage and lateral roots. The styroblock containerization system used in conjunction with sandy loam soil/vermiculite (2:1 v/v) potting-mix produced excellent …
Comparison Of Three Mass Media For Communicating Forestry Information For Young People, Ross Lee Tomlin
Comparison Of Three Mass Media For Communicating Forestry Information For Young People, Ross Lee Tomlin
Electronic Theses and Dissertations
A comparison of three mass media ( TV, radio and newspaper) was made to find which would be more effective at communicating forestry information to young people. The field study was conducted at Nacogdoches, Lufkin, and Kilgore High Schools in East Texas. Questionnaires given to students before and after exposure to six media spots tested forestry knowledge and attitudes. One spot in each medium presented a hardsell threat approach, the other a softsell-humorous approach. A final questionnaire measured student preferences of the media. Analysis of data indicated newspaper and TV to be the most effective media, with radio less effective. …
Bedding As A Factor In The Survival And Total Height Of Two Year Old Planted Loblolly Pine Seedlings In East Texas, Edgar Wilkins
Bedding As A Factor In The Survival And Total Height Of Two Year Old Planted Loblolly Pine Seedlings In East Texas, Edgar Wilkins
Electronic Theses and Dissertations
With an ever increasing demand placed on wood fiber supply by industry, it has become imperative that every feasible means be pursued which will increase the wood fiber production per acre of land on every plantsble site. With this in mind, this study was conducted in an attempt to determine the effect of bedding in intensive site preparation on the total height and survival of two year old loblolly pine (Pinus taeda, L.) seedlings planted on bottomland and upland sites. Forty row (or lineal) plots 100 feet long were established on machine planted areas on bedded and unbedded, bottomland and …
Behavior Of The Southern Pine Beetle On The Bark Of Host Trees During Mass Attack, Jack E. Coster, W.D. Bunt, P.C. Johnson
Behavior Of The Southern Pine Beetle On The Bark Of Host Trees During Mass Attack, Jack E. Coster, W.D. Bunt, P.C. Johnson
Faculty Publications
Twenty-two percent of the southern pine beetles, Dendroctonus frontalis Zimmermann (Coleoptera: Scolytidae), that landed on the bark during the 1st 4 days of mass attack in East Texas, eventually entered the tree. Other beetles either flew away (43%), dropped off the host (32%), or were eaten (2%). No significant difference in searching time or distance traveled was found for day of attack or beetle sex. Males spent significantly less total time on the bark than females.
Spatial Distribution Of Flying Southern Pine Beetle (Coleoptera:Scolytidae) And The Predator Thanasunus Dubius (Coleoptera:Cleridae), Jack E. Coster, Paul C. Johnson, Reed J. Reeve
Spatial Distribution Of Flying Southern Pine Beetle (Coleoptera:Scolytidae) And The Predator Thanasunus Dubius (Coleoptera:Cleridae), Jack E. Coster, Paul C. Johnson, Reed J. Reeve
Faculty Publications
Spatial dispersion patterns of flying southern pine beetles, Dendroctonus frontalis Zimm., and the clerid predator Thanasimus dubius (F.) were determined within 3 natural infestations of southern pine beetle (SPB) in eastern Texas using grids of sticky traps. There was significant positive association of the 2 insects throughout the trapping grids, although aerial population densities of the clerid were inversely related to aerial densities of SPB. Aggregation patterns were quantified using the index of patchiness (lP) and the regressions of mean crowding (m) on mean density (m). Both methods showed a highly clumped pattern for both beetle species. SPB density in …
Characterization Of Grand Fir Colonized By Nosodenron Californicum Horn (Coleoptera: Nosodendridae), David Kulhavy
Characterization Of Grand Fir Colonized By Nosodenron Californicum Horn (Coleoptera: Nosodendridae), David Kulhavy
Faculty Publications
In two 50-hectare forested areas in a Thuja plicata/Pachistima myrsinites habitat type, 52 grand firs, Abies grandis (Douglas) Lindley, hosts of Nosodendron californicum Horn, were located. Trees colonized by N. 'califomicum averaged 40.6 min height, 115 years in age and 59.5 em in diameter. Average elevation was 906.8 m.
Southern Pine Beetle Handbook: Woodpeckers And The Southern Pine Beetle, James Kroll, Richard N. Conner, Robert R. Fleet
Southern Pine Beetle Handbook: Woodpeckers And The Southern Pine Beetle, James Kroll, Richard N. Conner, Robert R. Fleet
eBooks
In 1974 the U.S. Department of Agriculture initiated the Combined Forest Pest Research and Development Program, an interagency effort that concentrated on the Douglas-fur tussock moth in the West, on the southern pine beetle in the South, and on the gypsy moth in the Northeast. The work reported in this publication was funded in part by the Program. This handbook is one in a series on the southern pine beetle.
Outlook For Timber From Mississippi’S Private Nonindustrial Forests, Steven H. Bullard, G. H. Weaver
Outlook For Timber From Mississippi’S Private Nonindustrial Forests, Steven H. Bullard, G. H. Weaver
Faculty Publications
Forestry is the dominant land use in Mississippi. Fifty-five percent of the State's total land base is commercial forest and 73 percent of this is held by private nonindustrial owners. The estimated timber harvest value for 1979 was over $550 million. Forest products were second only to soybeans in value in Mississippi's agricultural and forestry crops. The 1979 value is the fourth consecutive record harvest and represents increases in both harvest volume and product prices.