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- Littleleaf Disease on Loblolly Pine: Symptom Outline
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Littleleaf disease is a soil, pathogen, and tree management syndrome. Littleleaf can destroy pockets of mature and over-mature loblolly pines (Pinus taeda) over a period of 5-15 years.
- Tree Growth Rings: Formation and Form
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Trees sense and respond to a host of environmental events and changes. Trees integrate these separate responses to individual conditions into a general whole-tree reaction. A growth increment represents hundreds of internal and external variables put into...
- Tree Planters' Notes
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Dedicated to technology transfer and publication of research information relating to nursery production and outplanting of trees, shrubs, and native plants for reforestation, restoration, and conservation.
- Tree Decline - What Is It?
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Added: February 26, 2008This publication focuses on what takes place in the process of "tree decline" and how it is distinguished from "tree death." Understanding the reasons for decline may help you prevent, reduce or sometimes reverse decline of your yard or woodland trees.
- Tank Mixtures of Forestry Site Preparation Herbicides Can Be Antagonistic
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Added: October 05, 2008Farmers have been using tank mixes for many years, but the concept is comparatively new in forestry. The search for the optimum combination of herbicides is an ongoing process. Agricultural fields demonstrate that not all mixtures are good, and sometimes adding one chemical to another can actually decrease the effectiveness of both herbicides.
- Sustainable Urban Landscape Information Series
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Millions of dollars are spent each year designing, implementing, and maintaining urban landscapes. Unfortunately, long-term problems are caused when these processes are not carried out properly. Many of these problems can be avoided or reduced by utilizing sustainable landscape practices. A landscape developed with sustainable practices will improve the environment by conserving resources and reducing chemical applications.
- Predicting Potential Loss from the Southern Pine Beetle in the Coastal Plain of South Carolina
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Provides a system that allows users to rate both plantations and natural stands of loblolly and shortleaf pine in the Coastal Plain for the likelihood of a SPB spot (infestation) occurring, chance of a spot spreading, and potential for timber loss.
- National Agroforestry Center
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A useful site for everyone interested in the practice of agroforestry in North America.
- Gypsy Moth
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The gypsy moth, Lymantria dispar Linnaeus, is one of the most notorious pests of hardwood trees in the Eastern United States. Since 1980, the gypsy moth has defoliated close to a million or more forested acres each year. In 1981, a record 12.9 million acres were defoliated. This is an area larger than Rhode Island, Massachusetts, and Connecticut combined.
- Find A Forest By State
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Added: October 01, 2007Find a forest by state.
- Pesticide Application Best Management Practices for the Citrus Grove Worker
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details different pest control methods, safety, and application processes and tips
- Tree Strength & Cross-sectional Area
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Assessing trees for structural integrity continues to be critical for risk management in landscapes, along right-of-ways, and for storm damage management.
- Southern Pine Beetle
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Added: September 25, 2003Southern pine beetle (SPB) is a serious pest of yellow pines, including loblolly, shortleaf and Virginia pines.
- Excerpts From a "Whitepaper"
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Added: October 25, 2008This paper was prepared by the Critical Issues Committee of the Society of Wood Science and Technology (SWST) to assist academic, industrial, and government leaders in understanding the environmental implications of using wood-based products. Consideration of how to meet human needs for materials and still maintain or enhance other needs of the forest is vital. Forests cannot be isolated from human influence or from human needs.
- Trees and Soil Compaction: A Selected Bibliography
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Added: November 05, 2008Soil compaction is one of the most common constraints on tree growth in the developed landscape. This publication provides a selected list of recent publications which provide descriptions, definitions, and treatments for soil compaction as it relates to landscapes and trees.
- Water Movement in Trees
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Added: November 05, 2008A tree allocates life-energy to survive and thrive in an environment which never has optimal resources. What essential resources are available are usually present in too low, too high, or unavailable concentrations. Trees continue to react to environmental changes with internal adjustments selected for efficient use of tree food while minimizing energy loss to the environment.
- Setting up the Books: A Forest Owner's Guide to Capital Accounts
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...and Recordkeeping for Federal Income Tax Purposes
- Evaluation and Use of Improved Choctawhatchee Sand Pine for Christmas Trees
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This publication offers documentation as to why the Choctawhatchee sand pine--a Florida native shows promise as a fast-growing, reasonably priced Christmas tree with greater freshness than cut trees shipped from out of state.
- Manchester State Forest
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If you visit Manchester State Forest in the early spring you'll find pockets of flowering mountain laurel, red cedar draped with Spanish moss, and oaks growing in profusion among the dogwoods and longleaf pines. This kind of plant mix is unique in the state. Located in Sumter County, on the fall line between South Carolina's piedmont and coastal plain, Manchester State Forest consists of more than seventeen thousand acres of ridges, sand hills, hardwood bottoms, bays, and swampland
- Leaf Key
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Key out your leaf by clicking on the button that best describes it. ``A table will list the possible matches, with links to fact sheets. ``If a picture exactly matches your leaf, clicking on the picture will take you directly to a fact sheet for that species (you will have to use the back button in your browser to return to the key).
- Tree Heat Stress Syndrome
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Added: October 20, 2008Georgia can have many hot days during the year. From the North Georgia mountains to the coast, these large heat loads can influence plant growth.Figure #1; Figure #2. Trees and shrubs generally have optimum growing conditions across the range of temperatu...
- Recreational Forest Trails: Plan for Success
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Which Type of Trail?; Studying the Land; Designing, Laying Out, and Constructing a Trail; Trail Width, Clearing Heights, and Grade Specifications; Constructing the Trail for Maximum Accessibility; Top Ten Trail Construction Tips
- Grow and Maintain a Healthy Birch Tree
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In many landscapes, birch trees begin to decline within a few years, and many trees die well before reaching maturity. A healthy birch tree should be able to survive and thrive for 40-50 years. In many yards, however, it is not unusual for birch trees, especially the white-barked birches, to die well before reaching 20 years of age.
- Trees Per Acre Table: by Diameter and Basal Area
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There are many types of natural resource planning and management applications that require estimating the number of trees for a given size that would occupy an acre of land.
- Collect Field Samples and Identify the Oak Wilt Fungus in the Laboratory
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Oak wilt is a serious disease that infects many species of oak. It is responsible for the death of thousands of oak trees in forests, woodlots, and home landscapes each year. Oak wilt occurs in the eastern U.S., in an area delimited by Minnesota, Texas, Pennsylvania, and South Carolina.
- Aquatic Weed Identification and Control: Water Pennywort and Mosquito Fern BROKEN
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This publication provides information on biological and chemical treatments for water pennywort and mosquito fern.
- Amber Darter (Percina antesella)
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Added: October 20, 2008The amber darter is a small perch-like fish usually less than 2.5 inches (6 cm) long with a series of dark blotches along the sides and four dark "saddles" along the back It is a golden to brown color on the back, amber or yellowish along the middle of th...
- Urban Forest Ecosystems Institute
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The Urban Forest Ecosystems Institute (UFEI) was developed by the Natural Resources Management Department faculty to address the increasing need for improved management of the urban forests in California.
- Urban Ecosystems
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Added: November 05, 2008Urban forests enhance the quality of life. In addition to their aesthetic value, they reduce pollutants, filter the air, decrease temperatures therefore reducing urban heat islands, promote lower electricity bills and increase property values.
- Pruning Trees
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This site provides a step-by-step guide to pruning trees with topics including how to prune, when to prune, and how much to prune.
