Trees to Plan Under Power Lines

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Trees to Plant Under Power Lines Trees that grow into power lines pose serious safety issues and can result in power failures or surges. Outages can occur when a tree limb contacts a power line or a tree falls onto several lines. The table below lists some power line-friendly trees in our service area. Generally a tree of small stature that matures at a height less than 25 feet is the best choice. Botanical Name Common Name Height Note Acer ginnala Amur maple 15-20 ft Small tree native to China Acer palmatum Japanese maple 15-25 ft Numerous varieties, colors, forms Acer palatum Bloodgood Japanese 15-20 ft Reddish- purple foliage, full to maple partial sun for planting Amelanchier spp. Serviceberries 15-25 ft Many varieties and hybrids Cercis Canadensis Eastern redbud 20-25 ft Showy flowers, varieties com in many colors Chionanthus virginicus White fringetree 12-20 ft Native with white drooping flowers Cornus florida Flowering dogwood 20-25 ft White flowers, varieties come in different colors Cornus kousa Kousa dogwood 20-25 ft White flowers, varieties com in different colors Cotinus coggygria Common smoketree 10-15 ft Avoid the American smoketree which grows to 30 ft Magnolia grandfilora Little Gem Magnolia 15-20 ft Same fragrance as Southern var. little gem Magnolia, white flowers all summer Hamamelis spp. Witchhazel 15-20 ft Many varieties; Common witchhazel grows to 30 ft Ilex x attenuate Foster holly 10-15 ft An evergreen, used as a barrier in landscapes Koelreuteria Golden raintree 20-25 ft Yellow flowers in late spring, can paniculata grow to 35 ft in some locations Lagerstroemia spp. Crape myrtle 15-25 ft Many varieties and cultivars; Most grow under 25 ft in Tennessee; Avoid the “tree” types Prunus serrulata Kwanzan Cherry 15-25 ft Delicate pink flowers, full sun, fall var.Kwanzan color bronze to red Malus sp. Flowering crabapples 20-25 ft Many ornamental varieties, all colors of flowers, small fruit that some consider messy. Good wildlife tree. Syringa vulgaris Common lilac 10-20 ft Small tree or large shrub Source: Agricultural Extension Services, University of Tennessee If you need additional tree trimming information, contact us at 380-4890. .

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Olive Family)
Flora of the Carolinas, Virginia, and Georgia, Working Draft of 17 March 2004 -- OLEACEAE OLEACEAE (Olive Family) A family of about 24 genera and 615 species, trees and shrubs, nearly cosmopolitan, but centered in Asia. References: Hardin (1974)=Z. 1 Leaves pinnately compound; fruit a samara; plant a small to large tree . Fraxinus 1 Leaves simple; fruit a drupe or capsule; plant a shrub to small tree. 2 Flowers bright yellow, showy; fruit a many-seeded capsule . Forsythia 2 Flowers white, lilac, or purplish; fruit a drupe or 4-seeded capsule. 3 Leaves cordate or truncate at the base; fruit a 4-seeded capsule; corolla lobes shorter than the tube; flowers lilac or white, in terminal panicles ...............................................................Syringa 3 Leaves cuneate to rounded at the base; fruit a drupe; corolla lobes either shorter or longer than the tube; flowers white or greenish-white, in terminal or lateral panicles or fascicles. 4 Corolla absent; calyx minute or lacking; flowers in axillary fascicles . Forestiera 4 Corolla present (often conspicuous and showy); calyx present; flowers lateral or terminal panicles. 5 Corolla lobes elongate, much longer than the corolla tube . Chionanthus 5 Corolla lobes short, no longer than the corolla tube. 6 Inflorescence a many-flowered terminal panicle; leaves generally ovate, elliptic or lanceolate (widest below or at the middle)....................................................Ligustrum 6 Inflorescence a few-flowered axillary panicle; leaves generally oblanceolate or obovate (widest above the middle)........................................................... Osmanthus Chionanthus Linnaeus (Fringe-tree, Old Man's Beard) A genus of controversial circumscription, either of only 3 species, limited to se. North America and e. Asia, or (if including Linociera) of about 100 species, primarily tropical.
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Emerald Ash Borer Fact Sheet
Symptoms of EAB Infestation WhatWhat to doDo if if you You suspectSuspect a Etreemerald has emeraldAsh ashBorer: borer: If your ash tree exhibits Emerald Ash Borer dieback,If your ashrefer tree to all exhibits possible BE AWISE ASH bioticdieback, and referabiotic to issues all in thispossible guide. biotic For further and abiotichelp, issues in this guide. contact a certified arborist in your area. If you suspect EAB For further help, contact a Emerald Ash Borer, Agrilus planipennis Damage from woodpeckers Thinning in upper D-shaped exit holes in trunk24 on your property or have a feeding on EAB larvae22 canopy23 certified arborist in your area.suspected If you suspectEAB insect EAB on The emerald ash borer (EAB) is a destructive wood- sample,your property contact oryour have local a boring insect that has killed millions of ash trees in suspectedextension EAB agent, insect the North America. It was first discovered in Detroit, Schuttersample, Diagnosticcontact your Lab local at Michigan in 2002, and it likely came from wood Montana State University extension agent, the packaging material imported from Asia. It has become Schutter(406-994-5704), Diagnostic or the Lab at widely established in 35 states and five Canadian MontanaMontana DepartmentState University of provinces. As of March 2020, it has not been detected Agriculture(406-994-5704), (406-444-3790). or the Montana Department of in Montana. Unfortunately, it is easily transported on Bark splitting from EAB Serpentine galleries under Epicormic branches and Agriculture firewood so Montana is always just one visitor’s 27 infestation25 the bark26 shoots at base of tree (406-444-3790).
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Development of Simple Sequence Repeat Markers for <I>Chionanthus Retusus</I> (Oleaceae) and Effective Discrimination
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln U.S. Department of Agriculture: Agricultural Publications from USDA-ARS / UNL Faculty Research Service, Lincoln, Nebraska 2011 Development of Simple Sequence Repeat Markers for Chionanthus Retusus (Oleaceae) and Effective Discrimination of Closely Related Taxa R. S. Arias U.S.D.A. National Peanut Res. Lab., [email protected] Timothy A. Rinehart University of Mississippi Richard T. Olsen U.S. National Arboretum, USDA-ARS Joseph H. Kirkbride Jr. U.S. National Arboretum, USDA-ARS Brian E. Scheffler USDA-ARS, [email protected] Follow this and additional works at: https://digitalcommons.unl.edu/usdaarsfacpub Part of the Agricultural Science Commons Arias, R. S.; Rinehart, Timothy A.; Olsen, Richard T.; Kirkbride, Joseph H. Jr.; and Scheffler, Brian E., "Development of Simple Sequence Repeat Markers for Chionanthus Retusus (Oleaceae) and Effective Discrimination of Closely Related Taxa" (2011). Publications from USDA-ARS / UNL Faculty. 894. https://digitalcommons.unl.edu/usdaarsfacpub/894 This Article is brought to you for free and open access by the U.S. Department of Agriculture: Agricultural Research Service, Lincoln, Nebraska at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Publications from USDA-ARS / UNL Faculty by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. HORTSCIENCE 46(1):23–29. 2011. the three temperate species are economically important as ornamentals and natural prod- ucts. Temperate Chionanthus spp. (C. retusus Development of Simple Sequence from eastern Asia and C. pygmaeus and C. virginicus from eastern North America) are Repeat Markers for Chionanthus cultivated for their white ﬂowers in feathery panicles and decorative blue fruits.
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Gardening News the Newsletter of the Men’S Garden Club of Englewood October 2011 Issue No
The Gardening News The Newsletter of the Men’s Garden Club of Englewood October 2011 Issue No. 12.01 Editor’s Notes Caring For Your Palm Trees The Coming Year With this issue of the newsletter we start If we had fewer palm trees in Florida our landscape would be more similar to the several new projects which I hope you will Carolinas. We have many palms, yet there seems to be confusion as to how to care for find interesting and useful. Last year we them. This article is in two parts. It will try to give some direction regarding the use of focused on flowering plants. This year our fertilizer for your palms while the second part will be about how and when to prune focus will be on plants that have interest- those palms. ing and colorful leaf structure as well as A simple fertilizer plan would be to apply a slow release fertilizer with microelements more on taking care of what is in your three or four times a year, following the directions on the bag. The following list of garden. The article to the right onCaring “DOs” and “DON’Ts” should help you make some decisions. For Your Palm Trees, is a good example. DOs A second focus in the newsletter will • Read the directions on the bag. be a Gardening Glossary. The last one • Fertilize only when the soil is moist, especially when using a quick release material. was printed about eight to ten years ago • Water quite thoroughly after fertilizing. and some of our long time members will • Try to under-fertilize rather than over-fertilize your palm trees.
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Open As a Single Document
. ARNOLDIA E I A publication of THE ARNOLD ARBORETUM OF HARVARD UNIVERSITY Jamaica Plain, Massachusetts 02130 VOLUME 28 APRIL 12, 1968 NUMBER 1 COUNTRY COUSINS the horticultural world, a continuous effort ~s bemg made to select the I"best" N trees and shrubs for ornamental use. In the process, many other plants are relegated to secondary status and then are often ignored by the hor- ticultural public. Later on, a few may show traits that were not obvious at first - and so bid for reconsideration. In other cases, one species has become en- trenched in horticultural usage-and for this reason alone continues to over- shadow later introductions. An occasional looking back through the lists of little-used plants can be expected to turn up a few that have been overshadowed by better-known relatives, but that have character of their own-and potential usefulness. Chionanthus retusus Chinese Fringetree Our native (southeastern U. S. ) fringetree (Chionanthus virginicus) is fairly well known, even though not widely used as a landscape plant in our area. Its oriental relative, Chionanthus retnsus, is even less used, probably because its flowers and inflorescences are smaller. But the overall effect of C. retusus in bloom is almost as spectacular as that of C. virginicus (Plate I). In addition, it can be grown with minimal pruning, while C. virginicus requires heavy pruning every few years to maintain good form. The largest specimen of C. retusus m the Arnold Arboretum is about 20 feet tall and resembles a miniature American elm in outline. This and its interesting furrowed bark keep this tree interesting during the winter months (Plates I and II).
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Landscaping Near Black Walnut Trees
Selecting juglone-tolerant plants Landscaping Near Black Walnut Trees Black walnut trees (Juglans nigra) can be very attractive in the home landscape when grown as shade trees, reaching a potential height of 100 feet. The walnuts they produce are a food source for squirrels, other wildlife and people as well. However, whether a black walnut tree already exists on your property or you are considering planting one, be aware that black walnuts produce juglone. This is a natural but toxic chemical they produce to reduce competition for resources from other plants. This natural self-defense mechanism can be harmful to nearby plants causing “walnut wilt.” Having a walnut tree in your landscape, however, certainly does not mean the landscape will be barren. Not all plants are sensitive to juglone. Many trees, vines, shrubs, ground covers, annuals and perennials will grow and even thrive in close proximity to a walnut tree. Production and Effect of Juglone Toxicity Juglone, which occurs in all parts of the black walnut tree, can affect other plants by several means: Stems Through root contact Leaves Through leakage or decay in the soil Through falling and decaying leaves When rain leaches and drips juglone from leaves Nuts and hulls and branches onto plants below. Juglone is most concentrated in the buds, nut hulls and All parts of the black walnut tree produce roots and, to a lesser degree, in leaves and stems. Plants toxic juglone to varying degrees. located beneath the canopy of walnut trees are most at risk. In general, the toxic zone around a mature walnut tree is within 50 to 60 feet of the trunk, but can extend to 80 feet.
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DEER RESISTANT PLANTS Recommended for Coastal Southeast Landscapes
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White Fringetree As a Novel Larval Host for Emerald Ash Borer
Journal of Economic Entomology Advance Access published January 15, 2015 RAPID COMMUNICATION White Fringetree as a Novel Larval Host for Emerald Ash Borer DON CIPOLLINI Department of Biological Sciences, Wright State University, 3640 Colonel Glenn Highway, Dayton, OH 45435, USA E-mail: [email protected] J. Econ. Entomol. 1–6 (2015); DOI: 10.1093/jee/tou026 ABSTRACT Emerald ash borer is an invasive Asian pest of ash species in North America. All North American species of ash tested so far are susceptible to it, but there are no published reports of this insect developing fully in non-ash hosts in the field in North America. I report here evidence that emerald ash borer can attack and complete development in white fringetree, Chionanthus virginicus L., a species native to the southeastern United States that is also planted ornamentally. Four of 20 mature ornamental white fringetrees examined in the Dayton, Ohio area showed external symptoms of emerald ash borer attack, including the presence of adult exit holes, canopy dieback, and bark splitting and other deformities. Removal of bark from one of these trees yielded evidence of at least three generations of usage by emerald ash borer larvae, several actively feeding live larvae, and a dead adult confirmed as emerald ash borer. KEY WORDS Buprestidae, emerald ash borer, host range, Oleaceae, white fringetree Introduction trees continue to decline in number (Powell Gardens The emerald ash borer, Agrilus planipennis (Fairm- 2014). aire) (Buprestidae), is an invasive Asian pest of ash In the only investigation of the potential use of white (Fraxinus spp.) species in North America.
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Chionanthus Virginicus
some growers, others maintain that it can be planted <: vo Fringe-tree without problems. Plants need little pruning once VO 'vi c3 established, and they are remarkably free from pests C 3 and diseases. Q Old-Man’s-Beard CQ’ O 5. 5 £ ...Other Uses Chionanthus virginicus Traditionally, a tonic was produced from the bark, and it was used as a diuretic and to reduce fevers. While the wood is hard, close grained, and g* O £ ^ moderately heavy it was never used commercially. rt> o 803 1 to rr 5 * a O Oi ^ ...Where to See C. virginicus ^to * £ ft Q£ O <: r f. tree grows commonly along stream © £ C- Fringe- 2 drainages, near swamps, and in drier upland woods in n sandy to deep rich soils in most counties in Virginia. 2 Chionanthus virginicus in its native range grows from New Jersey south to Florida and west to Missouri, Oklahoma, and Texas. CHIONANTHUS *; V VIRGINICUS L. 'r6;r > * .Sip1 • Map source - Atlas of the Virginia Flora, 2nd edition (1986) To see and learn more about interesting species of plants native to Virginia, contact your local chapter of VNPS for times and dates of wildflower walks they sponsor. Text by C.F. Sacchi Illustration by Barbara Stewart Gardeners should be certain that fringe-tree and other native plants purchased for home gardens are nursery propagated, not wild collected. For a list 1997 Virginia of retail sources of nursery propagated plants and responsibly collected seed, send a self-addressed Wildflower of the Year stamped envelope to: Virginia Native Plant Society P.O.
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Causes and Consequences of the Host Range Expansion of Emerald Ash Borer in North America
Causes and consequences of the host range expansion of emerald ash borer in North America Don Cipollini Department of Biological Sciences Wright State University Dayton, OH Emerald ash borer (Agrilus planipennis) June – July: Adults mate, females lay eggs on surface or in cracks of bark Late May – July: Adults emerge from D-shaped exit holes, feed on leaves July – Sept: Larvae feed on inner bark, grow and develop. May – June:: Pupation Oct – April: Larvae overwinter as pre-pupa Host range in insects • The host range is the number of species utilized by an insect species; narrow range=specialist, broad range=generalist •A host range expansion is an increase in the number of host species utilized by an insect species •A host shift is the addition of a new host to the diet of a species, with a concomitant reduction in the ability to use its ancestral host(s) Ecological fitting • When organisms encounter novel environmental conditions - a new habitat, a changed climate, novel hosts - they survive and persist where and if they "fit" by means of characteristics they already possess. • Host shifts are often initiated because the pest is “preadapted” to the novel host. The novel host might share important characteristics with the ancestral host or it might have been used in the past. • (Agosta et al. 2010) Soapberry Bug Jadera haematoloma Specializes on members of the Sapindaceae in the New World Tropics Taiwanese Rain Tree Koelreuteria elegans Balloon Vine Cardiospermum corindum (Carroll et al. 1992) Wallander and Albert 2000 White fringetree,
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Pygmy Fringe-Tree Chionanthus Pygmaeus Small
Pygmy Fringe-tree Chionanthus pygmaeus Small hionanthus pygmaeus is a large shrub that occurs Federal Status: Endangered (January 21, 1987) primarily in scrub as well as high pineland, dry Critical Habitat: None Designated Chammocks, and transitional habitats in central Florida Status: Endangered Florida. Much of this species habitat has been lost because of land clearing for citrus production and residential Recovery Plan Status: Revision (May 18, 1999) development. As a result, it was listed as an endangered Geographic Coverage: Rangewide species on January 21, 1987. Habitat acquisition and development of suitable land management actions are helping to conserve this species. Figure 1. County distribution of the pygmy fringe- tree. This account represents a revision of the existing recovery plan for the pygmy fringe-tree (FWS 1996). Description Chionanthus pygmaeus is a shrub or small tree that is often less than 1 m tall, but can grow to 4 m tall. The twigs are opposite or sub-opposite and stiff, while the leaf scars and leaves are mostly opposite but sometimes alternate. The leaves are simple, mostly 3 to 10 cm long, and lacking stipules. They have short petioles, and the somewhat leathery blades are ovate to elliptic or obovate in shape, and acute to rounded at the tip. The base of the blade is attenuated to the petiole. The upper surface of the blade is dark yellow-green and smooth, but the lower surface is paler and reticulate. The inflorescence is a leafy-bracted panicle that appears with the new shoots from the axils of most leaf scars from the previous season.
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From Woodpeckers to Water, the Emerald Ash Borer's Effects Are Widespread
•- • RESEARCH AND PRACTICE A Forest Death in Three Acts FROM WOODPECKERS TO WATER, THE EMERALD ASH BORER'S EFFECTS ARE WIDESPREAD By Kathleen S. Knight, Charles E. Flower and Mark D. Nelson ead treetops, their bare branches curving The emerald ash borer, or EAB, is native to eastern upward, stood dark against a blue sky. Only Asia. There, it has little impact on Asian ash species, D a few years before, these had been tower which are able to mount defenses against the larvae. ing, vibrant ash trees, playing a vital role in riparian But in the late 1990s, it was accidentally introduced forestecosystems of northwest Ohio. Then, the em to North America, arriving near Detroit. Michigan, erald ash borer (Agrilus planipennis), a shiny green on wooden shipping material. When EAB reached beetle whose voracious maggot-like larva feeds just the nearby forests, it encountered North American T Dead ash trees beneath the bark of the trees, swept through the ash species that had no co-evolutionary history with create a canopy gap. forestsleaving death and destruction in its wake. the pest and almost no defense. The insect was in adve1tently spread by people, moving on firewood, logs and even vehicles. Now, it occurs in 35 U.S. states and fiveCanadian provinces. Our job was to monitor the effects of this invasive pest. including the decline and death of the ash trees, and the cascading effects of the sudden loss of these tree species on their forest ecosystems. EAB impacts on forests come in three phases. The firstis theinitial infestation, when EAB firstarrives in a new area and begins to infest the ash trees.
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