Search results — 939 items matching your search terms
Subscribe to an always-updated feed of these search terms
-
Controlled Release Fertilizer Improves Quality of Container Longleaf Pine Seedlings
- Longleaf pine (Pinus palustris) is an important reforestation species in the South. Longleaf pine’s fire tolerance, resistance to bark beetles, better growth ...
-
Slash X Honduras Caribbean Pine Hybrids: An Overview of Nursery Production Systems South East Queensland, Australia
- The Queensland Department of Primary Industries (DPI) Forestry has a requirement to produce 4.5 million trees per year for its plantation production program. ...
-
Establishing Longleaf Pine Seedlings on Agricultural Fields and Pastures
- Abstract— Acres planted to longleaf pine (Pinus palustris) increased annually through the 1990s until 2000 with peak plantings exceeding 110 million seedlings ...
-
Interprovenance Breeding in Scots Pine
- In a breeding program begun in 1970, 7 select tester trees are being used to produce progenies for evaluating 43 Scots pine seed orchard selections of ...
-
Genotype x mineral Nutrient Interactions with Fusiform Rust Resistance in Slash Pine
- The relationship of N, P and K availability to fusiform rust incidence in a resistant and a susceptible family of slash pine was examined in greenhouse pot ...
-
Correlations Between Controlled-Environment and Nursery-Grown Seedlings of Jack Pine Provenances
- Estimates of genetic variation can be obtained from tree seedlings grown in a uniform environments If sound predictions of adult performance can be made ...
-
Optimum pH for Growing Pine Seedlings
- Two schools of thought address the optimum soil pH (measured in water) for growing pine seedlings (Pinus spp.) in bareroot nurseries. One school uses ...
-
Predicting genetic parameters and tolerance to pitch canker in slash pine
- Pitch canker is an increasingly important threat to Southeastern forests, especially in slash pine (Pinus elliottii var. elliottii Engelm.). Its increasing ...
-
Female Strobili on 12-Month-Old Jack Pine
- Forest geneticists and tree breeders are continuously searching for ways to reduce the age at which flowering begins. Jack pine (Pinus banksiana Lamb.) is ...
-
Lammas Shoot Formation in Scotch Pine
- Lammas shoots are second or midseason shoots that develop precociously from buds set earlier in the season (5). These precociously developed shoots ...
-
Identification of Candidate Interacting Resistance and Avirulence Genes in the Fusiform Rust Pathosystem
- Fusiform rust is a disease incited by the fungus Cronartium quercuum f.sp. fusiforme (Cqf) on southern pines (where it causes galls on stems and branches) and ...
-
Rectangular Spacing: An Economic Benefit?
- Many loblolly pine (Pinus taeda L.) plantations are established at row spacings of 8 to 12 feet, but some compa-nies are now using rows spaced 14 to 18 feet ...
-
Jellyrolling May Reduce Media Use and Transportation Costs of Polybag-Grown Seedlings
- Growing medium and transportation are major costs for polybag nursery systems. Both could be reduced if the medium could be removed for reuse, and the ...
-
Factors Contributing To Genetic Variation In Ice Damage Susceptibility In Shortleaf
- There are differences among species in susceptibility to ice damage (Williston 1974). There is also at least one report on within-species variation, where ...
-
Hardwood Cover Crops: Can They Enhance Loblolly Pine Seedling Production
- It has been extremely difficult to obtain more than two loblolly pine (Pinus taeda L.) crops following even effective soil fumigation with methyl bromide in ...
-
Early Selection of Loblolly Pine Families Based on Seedling Shoot Elongation Characters
- Seedlings of 23 open-pollinated loblolly pine (Pinus taeda L.) families and three checklots were grown in a greenhouse under two nitrogen ( N) levels (5 and ...
-
Genetic variation and mating system of ponderosa pine in the Willamette Valley of Oregon
-
Genetic diversity in conifer stands: Evaluation, maintenance and improvement
- Maintaining an "optimum" level of genetic diversity is often espoused as a reason to avoid plantation forestry as it is commonly practiced in the Southeast. ...
-
Ectomycorrhizal Colonization and Intraspecific Variation in Growth Responses of Lodgepole Pine
- Across different host plant species, the effects of mycorrhizal colonization on host growth parameters can vary, but intraspecific variation in ...
-
Four Native Species and Two Hybrid Pines Compared in Western Maryland
- The growth rates and survival of four pines native to Maryland ( Pinus taeda , P. strobus , P. rigida and P. virginiana ) and two hybrid pines (P. rigida x ...
-
A Reexamination of the Relationship Between Bark Thickness and Susceptibility of Eastern White Pines to White-Pine Weevil Attack
- The relationship between bark thickness at breast height and susceptibility of eastern white pine ( Pinus strobus L.) to repeated attacks by the white-pine ...
-
Growth data for 29 years from the California elevational transect study of ponderosa pine
-
Four Native Species and Two Hybrid Pines Compared in Western Maryland
- The growth rates and survival of four pines native to Maryland ( Pinus taeda , P. strobus , P. rigida and P. virginiana ) and two hybrid pines (P. rigida x ...
-
Genetic Efficiency in Loblolly Pine Seed Orchards
- Using seven allozyme loci as genetic markers, gene frequencies in the bulked seed crop of two seed orchards were compared to those expected on the basis of ...
-
Cone and Seed Characteristics in the Second Generation Seed Orchard of Pinus thunbergii: Seeds are Significant Carbon Sink
- Seed orchards are established from selected trees (plus trees) by sexual or asexual propagation, and functioned as the bridge between breeding program and ...
-
Whitebark pine operational cone collection instructions and seed transfer guidelines
-
Root Growth Potential of Loblolly Pine Seedlings After Defoliation To Mimic Browsing Damage
- Defoliation of recently planted pine seedlings by mammalian herbivores and insects can hinder seedling establishment. The extent of browsing damage is often ...
-
Improved Techniques Developed for Grafting Slash and Longleaf Pine
- Difficulties encountered in grafting mature longleaf pine (Pinus palustris Mill.) for establishment of seed orchards are well known. To circumvent the ...
-
Natural Recovery of Surface Soils Disturbed in Logging
- Foil and Ralston (3) reported that compaction treatments applied to soil core samples greatly reduced the growth of loblolly pine (Pinus taeda L.) seedlings. ...
-
Gains from Rust Resistant Orchards Established with Seedlings
- Sixteen years of experience establishing seedling seed orchards with progeny that were disease-free after inoculation with the fusiform rust organism has ...
