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A. M. Richwine, J. Tipton, and G. Thompson

Hesperaloe parviflora is a useful xeric landscape plant. Two methods of shoot culture initiation were developed. Shoots were initiated indirectly through the use of callus derived from pieces of young inflorescences. Callus was initiated on modified Murashige and Skoog medium with 4.52 μM 2,4-dichlorophenoxyacetic acid and 2.32 μM kinetin. Callus produced shoots when placed on modified MS medium with 6.0 μM zeatin riboside. Direct initiation of shoots was also accomplished using the bottom four floral buds of young inflorescences. Buds were placed on modified MS media containing either benzylaminopurine or kinetin at 0.1, 1.0, or 10.0 μM or zeatin riboside at 6.0 μM. The most shoots were produced by the medium containing 6.0 μM zeatin riboside. Preliminary results indicate optimum shoot production with 2.0 to 4.0 μM BA or 6.0 μM zeatin riboside.Hesperaloe parviflora micro-shoots were rooted on one quarter strength MS medium and ex vitro.

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Landry Lockett, Thayne Montague, Cynthia McKenney, and Dick Auld

A survey instrument was designed to determine public opinion on water conservation, water conserving landscapes, the use of native plants in landscapes, home irrigation systems, and the performance of five Texas native plant species [pink evening primrose (Oenothera speciosa); prairie verbena (Verbena bipinnatifida); red yucca (Hesperaloe parviflora); ceniza (Leucophyllum frutescens); and ruellia (Ruellia nudiflora)] grown in low water use landscapes in the semiarid Southwestern United States. On six occasions during the 1999 growing season, participants viewed landscapes and participated in a survey. Survey data indicate that over 90% of respondents thought water conservation was important to the state of Texas. A majority of participants however, believed water conserving landscapes to be expensive to maintain and not aesthetically pleasing. The survey revealed 79% of participants would use native plants if native plants conserved water, and 86% of participants would use native plants if native plants were attractive. Chi-square approximations revealed participant's opinions regarding water conservation and home irrigation systems were influenced by education level and amount of time they participated in weekly horticulture activities. In an open-ended question, participants indicated flowers and healthy leaves were characteristics indicating a plant was performing well. Throughout the year, species in flower received higher ratings than nonflowering species.

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Malik G. Al-Ajlouni, Dawn M. VanLeeuwen, Michael N. DeMers, and Rolston St. Hilaire

. 5 ). Very low, low, low-to-moderate, and moderate water-use plants covered over half of the landscape types (55%). Afghan pine ( Pinus eldarica ), oleander ( Nerium oleander ), red yucca ( Hesperaloe parviflora ), and honeysuckle ( Lonicera japonica

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Jennifer L. Parke, Neelam R. Redekar, Joyce L. Eberhart, and Fumiaki Funahashi

laxiflora ), red yucca ( Hesperaloe parviflora ), hydrangea ( Hydrangea macrophylla ), crape myrtle ( Lagerstroemia indica ), fragrant olive ( Osmanthus fragrans ), new zealand flax ( Phormium tenax ), stone pine ( Pinus pinea ), rose, and rosemary