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Hiroshi Hamamoto and Keisuke Yamazaki

and ‘Pontinum Red’ (Sakata Seed Co., Yokohama, Japan) native rosella [ Abelmoschus moschatus ssp. tuberosus (Span.) Borss.] were sown on cell trays (23-mL cells, 16 per tray) filled with growing media (Tanemakibaido; Takii Seed Co., Ltd.). The

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Rebecca Nelson Brown, Cynthia Percivalle, Sophia Narkiewicz, and Samantha DeCuollo

roots of the common prairie grasses were perennial. Weaver (1968) extensively studied the root growth of native prairie grasses and midwestern range and pasture grasses in the first half of the 20th century, including some of the grasses in this study

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Orville C. Baldos, Joseph DeFrank, and Glenn Sakamoto

Roadside revegetation and roadside landscaping with native species have increased over the past decade because of growing environmental awareness, recent plant material availability ( Knapp and Rice, 1994 ), and active promotion by the Federal

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Panayiotis A. Nektarios, Ioannis Amountzias, Iro Kokkinou, and Nikolaos Ntoulas

) evaluated the use of heat-expanded shale in the establishment, growth, and survival of Sedum and native wild plants. The researchers evaluated 60%, 70%, 80%, 90%, and 100% of heat-expanded shale participation in the substrate mix in conjunction with

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Allen D. Owings, Charles E. Johnson, and M. LeRon Robbins

Educational and research opportunities utilizing native plant species are being developed by the LSU Agricultural Center through the recent establishment of a native plant arboretum at the Calhoun Research Station. Plants indigenous to Louisiana and surrounding states are being collected and planted in the arboretum for evaluation of potential values for landscaping, in food industries, and/or wildlife management. Native trees being studied include species of oak (Quercus), maple (Acer), hickory (Carya), and dogwood (Cornus). Lesser known species of holly (Ilex) and hawthorn (Crataegus), are being evaluated for commercial production and landscape potential. Fruit being collected for field orchard studies include mayhaw (Crataegus opaca), pawpaw (Asimina triloba), and several native plums (Prunus spp.).

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Pragati Shrestha and Jessica D. Lubell

The sustainable landscape featuring native plants is a rapidly expanding trend in horticulture. Native plants support wildlife, including pollinators, and are not invasive ( Tallamy, 2007 ). Some of the most popular and widely used plants for

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Michael J. Costello

studies have evaluated California native grasses in vineyards ( Baumgartner et al., 2008 ; Ingels et al., 2005 ), and neither found a negative effect on grape yield. Several studies have looked at how vineyard cover crops affect soil– and plant

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K.S. Lewers, W.W. Turechek, S.C. Hokanson, J.L. Maas, J.F. Hancock, S. Serçe, and B.J. Smith

wild native octoploid Fragaria species. Very little attention has been given to evaluation of wild octoploid Fragaria germplasm as potential sources of resistance to anthracnose. Moreover, the germplasm that has been evaluated has been screened with

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Stephen J. Stringer*, Arlen Draper, and James M. Spiers

Ornamental blueberries are increasing in popularity in southern landscaping due to their attractive foliage and also since they provide food and serve as attractants to birds and other wildlife. `Native Blue', tested as MS611, resulted from a cross of two native diploid Vaccinium darowii clones, Florida 4B X US 799. US 799 was selected from seedlings grown from open-pollinated seed collected by Dr. Paul Lyrene in Ocala National Forest, Florida. The Cross was made by Dr. Arlen Draper and selected in the greenhouse in 1987. Plants of `Native Blue' are low growing, compact, and finely branched with small, glaucous leaves and are quite typical of V. darowii. In test plots in Mississippi, the plants set many small berries and after four years have have grown to a height of approximately 18 inches. Desireable characteristics include beautiful pastel foliage, hardy and vigorous plants producing much fruit that are attractive to native birds.

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D.T. Lindgren

There has been a large increase in the use of native herbaceous prairie plants for ornamental purposes. They are also being used for cut flowers, medicinal purposes, and in restoration projects. To discuss the subject of breeding and selecting herbaceous plants for landscaping, it is convenient to divide the topic into three areas of interest: 1) selecting native ecotypes for use on specific sites; 2) selecting and breeding for nonnative/native plants for wildflower mixes; and 3) selecting, breeding and developing specific individual plants for ornamental/garden use. Native plant traits that are being evaluated at the Univ. of Nebraska West Central Center include competitiveness, pest tolerance, regional adaptation, flowering characteristics, foliage characteristics, proportionality of plants, ease of propagation, ease of establishment, and moisture requirements. In addition, research is being conducted at the West Central Center regarding genetic variation. For example, Dalea purpureum varies in height, foliage color, stems per plant, stem lodging, and time of flowering. Similar variation has been documented in Lithospermum, Calylophus, Penstemon, Liatris, and Echinacea, to name a few. Botanically, genetic variation has been documented within many native herbaceous species. However, plant breeders have done very little with these variations in genotypes, thus allowing considerable opportunity for breeding research with native herbaceous plants.