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11752 items matching your criteria.
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Biomass Characteristics Of Sycamore Coppice Influenced By Parentage And Type Of Planting Stock
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Three years after clearcutting a six-year-old sycamore progeny test in northeast Mississippi, stem dry weight of coppice averaged 2.27 Mg/ha and represented ...E. B. Schultz and Samuel B. Land, Jr.
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Biomass-Based Monitoring of Heavy Metals
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New developments in biotechnology provide for heavy metal removal and monitoring. Hyperaccumulating plants such as Thlaspi caerulescens express genes ...Cetin Yuceer, Erdem Topsakal and Joshua P. Adams
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Bionomics for Woody and Herbaceous Perennial Plant Production
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Until recently chemistry was seen as the best way to understand and work with crop production, turning it into an industrial process: seeds and chemicals are ...K. Eigenram
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The Bionomics of the Cottonwood Leaf Beetle, Chrysomela scripta Fab., on Tissue Culture Hybrid Poplars
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Tissue culture methods are applied to poplars of the Aigeiros group in attempts to overcome premature decline thought to be associated with viral infections. ...T. R. Burkot and D. M. Benjamin
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Biotechnology And Forest Genetics:an Industry Perspective
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Biotechnology is not new to forestry or many other industries. Man has been using biotechnology, in its broadest sense, since he began domesticating crops. ...Ronald J. Dinus
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Biotechnology of reproductive onset: A new era for accelerated tree breeding
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When compared with many annual crop plants, tree domestication is in its infancy. One of the main reasons for the slow progress towards tree domestication is ...Cetin Yuceer
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Birch Plantings on Mine Spoils in Pennsylvania
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Seven species of birches from 10 seed sources were evaluated for survival and growth rates on coal mine spoils in Pennsylvania. The seedlings were planted on ...W. Davidson
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Bird Damage to Sown Seeds or Emerging Seedlings
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It's spring so most growers are sowing their crops or will be doing so in the next couple of months. Many things can go wrong during sowing (Figure 1), and ...Thomas D. Landis
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Black Cherry Seed Germination: a comparison of seeds collected at different stages of maturity
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Black cherry (Prunus serotina Ehrh.) fruit matures unevenly as the result of sequential flower opening. When fruit begins to ripen there is a mixture of ...Donovan C. Forbes
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Black Cherry Seed Source Study in Northern Alabama-Ten Year Results
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In 1965 seed of black cherry (Prunus serotina Ehrh.) was collected from 47 individual trees in eight widespread geographic areas--four in Tennessee and one ...Paul E. Barnett
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Black Cherry Seeds Stored 8 Years
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Drying to low moisture content is necessary before storage in refrigerator or freezerTed J. Grisez
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Black Cherry: Guidance for Seed Transfer Within the Eastern United States
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Nick Labonte
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Black Plastic "Mulch" for Pine Planting
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At the time of planting loblolly pine (Pinus taeda) in the Georgia Piedmont, 4-foot squares of black plastic (polyethylene) with 3-inch holes in the center, ...Laurence C. Walker
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Black Polyethylene Mulch Increases Survival and Growth of a Jeffrey Pine Plantation
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Among site factors, available moisture is often most limiting to successful establishment of conifer plantations, especially in areas of the West where ...Norbert V. De Byle
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Black Polyethylene Mulch-An Alternative to Mechanical Cultivation for Establishing Hybrid Poplars
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The success of establishing hybrid poplar plantations from unrooted, dormant cuttings is largely dependent on the ability to control competitive vegetation ...Todd W. Bowersox and W. W. Ward
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Black Root Rot of Pine
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Bob Kucera
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Black Spruce Pollen Handling
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The Minnesota Department of Natural Resources began an applied black spruce breeding program in 1986. Over two seasons, pollen has been collected from ...Lawrence K. Miller
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Black Spruce Transplants Unharmed by Overdosage with Mineral Spirits
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Foliage discoloration of 2-2 black spruce, Picea mariana (Mill.) B.S.P., transplants was observed in the fall of 1959 where mineral spirits ha- been used as a ...J. D. MacArthur
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Black Spruce Wood Quality
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In a preliminary survey of black spruce specific gravity, 120 trees were sampled from the six merchantable site classes in northern Ontario.A. J. Carmichael
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Black Spruce Wood Quality
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Detailed studies, still in progress, on the quality of black spruce in relation to pulp and paper, have shown that about 15 rings from the pith fibres have ...J. L. Ladell
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Black Spruce: Guidance for Seed Transfer Within the Eastern United States
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Carolyn C. Pike and Marcella Windmuller-Campione
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Black Stain Root Disease in Douglar-Fir in Western Montana
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Douglas-fir (Pseudotsuga menziesii) roots with black staining of the xylem were found in four root-disease centers in western Montana where previously only ...USDA Forest Service
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Black Walnut (Juglans nigra L.) Establishment: Six-Year Survival and Growth of Containerized and 1+0 Seedlings
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Outplant survival and growth of containerized black walnut (Juglans nigra L.) was compared with that of bareroot 1 +0 seedlings. Survival of containerized ...F. A. Prince and F. W. von Althen
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Black Walnut Allelopathy in a 28-Year-Old Loblolly Pine Stand and Implications for Initial Plantation Establishment
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Damaged and dying loblolly pine trees (Pinus taeda L.) were found around black walnut trees in a 28-year-old plantation in Chatham County, NC. The damage and ...Coleman A. Doggett, Michael J. Perry and William R. Doggett
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Black walnut bench-grafting procedure reduces stock suckering
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Early attempts to graft scions from superior black walnut ortets onto seedling rootstocks resulted in graft unions that were troublesome during greenhouse ...Loy W. Shreve
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Black walnut controlled-pollination techniques
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Black walnut breeders need to know which existing controlled pollination techniques used with other species work with black walnut and which ones need major ...Donovan C. Forbes
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Black Walnut Grown in Tarpaper Containers
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In the autumn of 1978 black walnut (Juglans nigra L.) seeds were collected in Indiana, Michigan and Manitoba. Following hulling all nuts were stratified in ...F. W. von Althen and F. A. Prince
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Black Walnut in Central Kentucky: Growth and Development of Half-Sib Families Under Artificial Shade
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Net photosynthesis and growth and development of black walnut half-sib families from open and forested habitats were studied in the laboratory and the field ...Stanley B. Carpenter
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Black Walnut Mycorrhizae Not Suppressed by High Soil Fertility
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Abstract - High soil fertility did not prevent mycorrhizae infection of black walnut seedlings but inoculation was required after seedbeds were fumigated.Robert D. Williams
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Black Walnut Pollen Storage and Germination
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Controlled pollination in forest trees often necessitates pollen storage for long periods. Early studies at Purdue University on black walnut pollen storage ...Charles J. Masters, Stephen G. Pennington and Walter F. Bieneke
