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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 ...
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Rodent Girdling of Virginia Pine Related to Amount of Ground Cover Herbs
- In highway landscaping for bank cover and erosion control, two species of plants were established in 1960. Virginia pine seedlings (Pinus virginiana) were ...
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Association Genetics of Water Relations and Growth Phenotypes in Loblolly Pine
- As a part of the NSF funded Allele Discovery of Economic Pine Traits II (ADEPT2) our objective was to discover genotype-phenotype associations which explained ...
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Inheritance of Resin Acids in an Interspecific White Pine Cross
- Hybrids between eastern white pine (Pinus strobus) and Himalayan white pine (P. griffithii) tended to resemble P. strobus (female parent) in resin acid ...
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The December Dip of Loblolly Pine
- Several planting date studies with loblolly pine (Pinus taeda) have shown a decline in survival during the month of December. The term December dip was ...
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Effects of harvest and packing techniques on Douglas-fir seedlings
- Foresters in the Pacific Northwest have shown that Douglas-fir [Pseudotsuga menziesii(Mirb.) Franco] seedling survival ray be substantially improved by careful ...
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Diseases of Western White Pine other than Blister Rust
- Western white pine (Pinus monitcola Dougl.) is a valuable, fast-growing coniferous species of the Pacific Northwest. It reaches its greatest productivity and ...
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Impact of Crop Tree Release on Wood Properties of Pitch x Loblolly Pine Hybrids
- Wood density and growth was determined for loblolly pine (Pinus taeda), pitch pine (P. rigida), and F2 pitch x loblolly pine hybrids which underwent crop tree ...
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Lodgepole Pine from Far Northern Canada Performs Well in a Milder Swedish Environment
- Results of a height assessment made in a 12-year-old experimental plantation at latitude 62° N, altitude 550 m in Sweden indicate that the productivity of ...
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Geographic variation in cold hardiness among eastern white pine (Pinus strobus L.) provenances in Ontario
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Hybrid Pines (Pitch Pine x Loblolly Pine) Studied in the Appalachian Region of Maryland
- Hybrids of pitch pine x loblolly pine (Pinus rigida x taeda) originating from a cross of pitch pine (P. rigida) of unknown origin with loblolly pine ...
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Effects of Extended Prechilling on Laboratory Germination and Fungal Infection in Seeds of White Spruce and Eastern White Pine
- Prechilling treatments of up to 15 weeks did not show any detrimental effect on laboratory germination of Picea glauca (Moench) Voss and Pinus strobus L. ...
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Interprovenance Crosses of Loblolly Pine
- A review of the current status of interprovenance hybridization in the southern pines reveals that loblolly pine (Pinus taeda L.) is the only species with ...
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Carolina Studies Offer Possibilities of Increasing Pine Growth On Savannah Sites
- Savannahs, or "upland grasssedge bogs," occur extensively in the lower Atlantic Coastal Plain (7). They are found on poorly drained upland depressions ...
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Loblolly Best But Seed Source Important in Erosion-Control Plantings in North Mississippi
- Growth of loblolly pine (Pinus taeda L.) from four seed sources has differed markedly in 5-year-old erosion-control plantings in north Mississippi. Differences ...
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Variation in Monoterpene Content Among Geographic Sources of Eastern White Pine
- Variations of monoterpenes in cortical oleoresins and foliar samples were determined for seed from 16 provenances of eastern white pine (Pinus strobus L. ). ...
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Loblolly Pine Provenance and Family Differences in Water use in Response to Atmospheric CO2 Enrichment
- Elevated CO2 concentrations have been reported to reduce stomatal conductance and water use in tree species. To determine whether there are family or ...
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High diversity but little population subdivision of a lodgepole pine chloroplast DNA polymorphism
- We have surveyed a chloroplast DNA restriction fragment length polymorphism in a total of 365 individuals, distributed range-wide in eight ...
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Genetic Variation In Loblolly Pineroot Growth Potential
- Half-sib families of 1-0 loblolly pine seedlings were evaluated for genetic variation in their ability to regenerate new roots (root growth potential (RGP)) ...
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Adaptive genetic variation in Scots pine (Pinus sylvestris L.) in Scotland
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Comparison of Three Soil Fumigants in a Bareroot Conifer Nursery
- Nursery soil was treated with dazomet (Basamid®), metam sodium (Soil Prep®), or methyl bromide-chloropicrin (Dowfume MC-33®) or left untreated (control). ...
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Fusiform Rust Epidemics in Family Mixtures of Susceptible and Resistant Slash and Loblolly Pines
- Fusiform rust incidence (% trees infected) was measured through age 5 yr for mixtures of susceptible and resistant slash pine (Pinus elliottii var. ...
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Longleaf Pine Seed Presowing Treatments: Effecs on Germination and Nursery Establishment
- Longleaf pine (Pinus palustris Mill.) seeds are sensitive to damage during collection, processing, and storage. High-quality seeds are essential for successful ...
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Testing Alternatives to Methyl Bromide Fumigation in Southern Forest Tree Nurseries
- In the southern United States, most bareroot forest tree seedlings are produced in nurseries with average annual productions of over 21 million seedlings. Just ...
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Loblolly Pine Pollen Grain Counts by Ovule Dissection
- A procedure for counting pollen grains on the nucellar tissue of loblolly pine conelets after ovule dissection is described. The technique involves harvest ...
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Role of selection versus historical isolation in racial differentiation of ponderosa pine in southern Oregon: An investigation of alternative hypotheses
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Adaptive variation in Pinus ponderosa from intermountain regions. II. Middle Columbia River System
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Container-grown Longleaf Pine Seedling Quality
- Abstract— This study examines the comparative hardiness of various classes or grades of container-grown longleaf pine(Pinus palustris Mill.) seedlings. Most ...
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Seed-protectant fungicides for control of Douglas-fir and ponderosa pine seedling root rots
- The USDA Forest Service nurseries at Wind River, Carson. Wash., and at Bend. Oreg.. have periodically suffered large losses of seedlings to root rot fungi. ...
