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Soaking and Retumbling Controlled-Pollinated Scots Pine Cones Increases Seed Yields
- Tree seed produced by controlled pollination is expensive, particularly when the breeding stock is high-cost introduced or exotic material. Phenological and ...
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Estimating Pollen Contamination Inloblolly Pine Seed Orchards By Pollen Trapping
- The construction of an inexpensive, easy-to-build pollen trap is described, which rotates to keep the trap oriented into the wind at all times. These traps ...
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Evidence of Inherent Resistance to Dioryctria Infestation in Slash Pine
- Tree improvement workers are interested in developing strains of pines resistant to destructive insects. The objectives, methods, possibilities, and ...
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Drought Tolerance and Physiological Mechanisms of Drought Resistance in Three Northern Conifers
- The present investigations have been designed to define, evaluate and compare the physiological mechanisms by which seedlings of black spruce (Picea ...
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Container Stock Specifications for Northern Ontario
- The size of containerized seedling currently produced for use in northern Ontario generally confines container planting to the easier site conditions with a ...
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Effects of Rough Handling on Early Performance of White Pine and White Spruce Seedlings
- This study examined the effect on seedling health of dropping standard plastic-lined kraft tree bags containing 3+0 white pine (Pinus strobus L.) and white ...
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"Fall Mosaic" of Loblolly Pine in a Forest Tree Nursery
- A mosaic pattern of yellow and green seedlings has been observed in loblolly pine ( Pinus taeda L.) seedbeds in the fall at several forest nurseries in ...
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Increased Seed Yields With a Mist Blower That Distributes Pollen in Loblolly Pine Seed Orchards
- Seed yields were increased in orchards in which air streams from a mist blower were used to improve the distribution of seed orchard pollen at the time ...
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Innovations in Seed Orchard Management in the Southern Appalachians
- Three recent innovations in seed orchard management are described. Prescribed fire was found to be an effective replacement for chemical control of the white ...
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Field Performance of Containerized Seedlings in Interior British Columbia
- Seedlings of white spruce (Picea glauca [Moench] Voss), lodgepole pine (Pinus contorta var. latifolia Engelm.) and Douglas-fir (Pseudotsuga menziesii [Mirb.] ...
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Improving Longleaf Pine Seedling Production by Controlling Seed and Seedling Pathogens
- The demand for container longleaf pine (Pinus palustris Mill.) planting stock is increasing across the Lower Gulf Coastal Plain. Poor-quality seeds and ...
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Recommendations for Calibrating Mechanical Seeders
- Because of its effectiveness and low cost, aerial seedling (following mechanical scarification) is commonly employed as a method of regenerating jack pine ...
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Girdling Promotes Rooting Of Slash Pine Cuttings
- When cuttings from 12-year-old slash pines were taken 2 months after girdling and chemical treatment of branches in late July, 34 percent rooted in 3 months; ...
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Innovations in Seed Orchard Management in the Southern Appalachians
- Three recent innovations in seed orchard management are described. Prescribed fire was found to be an effective replacement for chemical control of the white ...
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Black Plastic "Mulch" for Pine Planting
- 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, ...
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Nursery Profile: North Carolina Department of Forest Resources F.H. Claridge Nursery
- North Carolina Department of Forest Resources F.H. Claridge Nursery in Goldsboro, was founded as the Little River Nursery in 1954, and was one of five ...
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Effects of Container Size and Copper Treatment on Western White Pine Seedling Growth and Survival
- Our study objective was to compare survival and growth of outplanted western white pine (Pinus monticola) seedlings, grown in 2 sizes of containers, with ...
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Genetic responses to climate in Pinus contorta : Niche breadth, climate change, and reforestation
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Fusiform Rust Losses, Control Costs, And Relative Hazard In Southern Forest Tree Nurseries
- Fusiform rust (caused by Cronartium quercuum (Berk.) Miyabe ex Shirai f. sp. fusiforme) is the most serious nursery disease of slash (Pinus elliottii Engelm. ...
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Perry Pinyon Pines Protection Project
- Fuel reduction treatments around pinyon pine trees began as a simple project but ended in something more complex, enjoyable, and rewarding. The project ...
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Increasing planting stock size by family selection in California ponderosa pine
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Comparison of Seedling Versus Planting Loblolly Pine in Rips
- Forest managers often rip planting sites in the Ouachita Mountains to ameliorate adverse soil conditions before planting. Direct seeding in spots was ...
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Analyzing Growth and Oleoresin Productivity of Loblolly and Slash Pine Pseudo-Backcross Hybrids
- The University of Florida’s Cooperative Forest Genetics Research Program and the Forest Biology Research Cooperative established a slash pine (Pinus elliottii ...
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Elimination of Empty or Blind Coniferous Seed by Specific Gravity Separation
- The removal of empty or blind seed in the processing of large lots of coniferous seed is an old problem, mainly because such seed are difficult to distinguish ...
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Genetic Variation in Survival of Longleaf Pine
- Open pollinated progenies of approximately 300 longleaf pines were established in 8 tests across Florida, Georgia and Alabama. Family heritability of ...
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Foliar Fertilization During Bud Initiation Improves Container-Grown Ponderosa Pine Seedling Viability
- Our objective was to determine if avoiding nutrient stress during bud initiation of ponderosa pine (Pinus ponderosa var. ponderosa) grown in a container ...
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Carry-Over of Loblolly Pine Seeds on Cutover Forest Sites
- The role of carry-over seed in the natural regeneration of loblolly pine (Pinus taeda L.) was investigated in central Louisiana. Three lots of loblolly pine ...
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Evaluation of Time-Temperature Monitors for Control of Seedling Storage
- Point time-temperature monitors (TTM) were evaluated for their use as quality indicators for loblolly pine (Pinus taeda L.) seedlings. TTM indicators ...
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Repeated Fertilization Fails to Stimulate Cone Production in Young Loblolly Pine Stand
- The use of chemical fertilizers to increase cone crops in seed production areas has been the subject of numerous studies. However, a brief review of ...
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White Pine Survival and Growth Similar, Regardless of Planting Depths and Methods, in Ontario Tests
- This report indicates a uniformity of survival and height growth for eastern white pine (Pinus strobus L.), 10 years after hand planting of forest tree ...
