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  • 1
    Online Resource
    Online Resource
    Incorporating Woody Ornamentals into Residential Landscapes to Reduce Nutrient Leaching : EP503/EP503, 7/2014
    University of Florida George A Smathers Libraries ; 2014
    In:  EDIS Vol. 2014, No. 5 ( 2014-07-31)
    Details
    In: EDIS, University of Florida George A Smathers Libraries, Vol. 2014, No. 5 ( 2014-07-31)
    Abstract: Urban landscapes in Florida are typically dominated by turfgrass monoculture, with ornamental landscape plants comprising only a small portion of the landscape. Incorporating more woody ornamentals into your landscape can reduce fertilization and irrigation demand and help reduce nutrient leaching losses from your yard—a combination that will help protect Florida’s water resources. This 3-page fact sheet was written by Drew C. McLean, Andrew K. Koeser, Amy L Shober, Zhixuan Qin, Gitta Hasing, and Richard C. Beeson, and published by the UF Department of Environmental Horticulture, July 2014.
    Type of Medium: Online Resource
    ISSN: 2576-0009
    URL: Article
    DOI: 10.32473/edis-ep503-2014
    Language: Unknown
    Publisher: University of Florida George A Smathers Libraries
    Publication Date: 2014
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  • 2
    Online Resource
    Online Resource
    105 PULSING MICROIRRIGATION IN CONTAINERS INCREASES TREE GROWTH
    American Society for Horticultural Science ; 1994
    In:  HortScience Vol. 29, No. 5 ( 1994-05), p. 443c-443
    Details
    In: HortScience, American Society for Horticultural Science, Vol. 29, No. 5 ( 1994-05), p. 443c-443
    Abstract: Pulsing consists of applying subvolumes of a normal daily irrigation volume several times per day. Previous studies have shown splitting overhead irrigation into two subapplications increased growth of container-grown landscape ornamentals in the southeastern U.S. In Florida, water restrictions prohibit overhead irrigation during the critical mid-afternoon when irrigation is most beneficial. Using individual microirrigation spray stakes, only 25% of the water required for overhead irrigation per bed area was necessary to produce similar plants if irrigated once per day. When the same daily volume was pulsed as 2 or 3 subvolumes, tree growth was significantly increased. Data suggest 2 pulses are sufficient for trees with a xeric nature while mesic trees prefer 3 pulses per day. Root:shoot ratios were unchanged by pulsing. Lower cumulative diurnal water stress was measured on pulsed trees.
    Type of Medium: Online Resource
    ISSN: 0018-5345 , 2327-9834
    URL: Article
    DOI: 10.21273/HORTSCI.29.5.443c
    Language: Unknown
    Publisher: American Society for Horticultural Science
    Publication Date: 1994
    detail.hit.zdb_id: 2040198-X
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  • 3
    Online Resource
    Online Resource
    Ploidy Level, Karyotype, and DNA Content in the Genus Lonicera
    American Society for Horticultural Science ; 2017
    In:  HortScience Vol. 52, No. 12 ( 2017-12), p. 1680-1686
    Details
    In: HortScience, American Society for Horticultural Science, Vol. 52, No. 12 ( 2017-12), p. 1680-1686
    Abstract: Ploidy levels and genome sizes have significant implications in plant evolution and crop improvement. Species of Lonicera L. have long been cultivated as medicinal, ornamental crops, or both. However, chromosome numbers, karyotypes, and DNA contents have only been documented in a few species, of which some controversies regarding basic chromosome numbers and karyotypes remain. This study analyzed the chromosome numbers and karyomorphology of 11 cultivars across four species and also the DNA content of 10 cultivars representing six species of Lonicera . Among them, the chromosome numbers of nine cultivars are reported for the first time. Results showed that the basic chromosome number of x = 9 was constant, and chromosome numbers of 2 n = 18, 27, 36, or 54 were observed, suggesting that polyploidy exists in the genus. Five cultivars are diploid with 2 n = 18; one cultivar is triploid, four are tetraploid, and one is hexaploid. The karyotypes of all studied cultivars are 3B or 3A, except Lonicera sempervirens ‘Crimson Cascade’ that is 2B based on the Stebbins’ asymmetry classification of karyotypes. The asymmetry index (A1) values vary from 0.47 to 0.60. The chromosome lengths range from 0.77 to 4.09 μm. Total karyotype lengths differ from 33.55 to 78.71 μm. The 1C-value of 10 cultivars varies 3-fold, ranging from 1.158 to 3.664 pg. Information gathered from this study could be valuable for improving breeding efficiency in the development of new cultivars of Lonicera with enhanced medicinal, ornamental value, or both.
    Type of Medium: Online Resource
    ISSN: 0018-5345 , 2327-9834
    URL: Article
    DOI: 10.21273/HORTSCI12489-17
    Language: Unknown
    Publisher: American Society for Horticultural Science
    Publication Date: 2017
    detail.hit.zdb_id: 2040198-X
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  • 4
    Online Resource
    Online Resource
    Daily Evapotranspiration of Guzmania ‘Irene’ and Vriesea ‘Carly’ Bromeliads Produced in a Shaded Greenhouse
    American Society for Horticultural Science ; 2018
    In:  HortScience Vol. 53, No. 12 ( 2018-12), p. 1814-1819
    Details
    In: HortScience, American Society for Horticultural Science, Vol. 53, No. 12 ( 2018-12), p. 1814-1819
    Abstract: Bromeliads are important ornamental foliage plants, but until now, their daily water use during production was unknown. Using a canopy closure model developed for container-grown woody ornamental plants, in this study we investigated actual evapotranspiration (ET A ) of Guzmania ‘Irene’ and Vriesea ‘Carly’ from tissue-cultured liners grown in 15-cm containers to marketable sizes in a shaded greenhouse. The mean daily ET A of Guzmania ‘Irene’ ranged from 4.02 to 66.35 mL per plant, and the mean cumulative ET A was 16.66 L over a 95-week production period. The mean daily ET A of Vriesea ‘Carly’ varied from 3.98 to 59.89 mL per plant, and the mean cumulative ET A was 15.52 L over the same production period as the Guzmania cultivar. The best-fit models for predicting daily ET A of the two bromeliads were developed, which had correlation coefficients ( r 2 ) of 0.79 for Guzmania ‘Irene’ and 0.68 for Vriesea ‘Carly’. The success in the model of ET A for both bromeliads suggested that the canopy closure model was equally applicable to container-grown ornamental foliage plants produced in greenhouse conditions. The daily ET A and cumulative ET A values represent research-based information on water requirements, and, when applied, could improve irrigation practices in bromeliad production. This study also showed that roots per se of the two epiphytic bromeliads were able to absorb water and nutrients from a peat-based container substrate and support their complete life cycles.
    Type of Medium: Online Resource
    ISSN: 0018-5345 , 2327-9834
    URL: Article
    DOI: 10.21273/HORTSCI13351-18
    Language: Unknown
    Publisher: American Society for Horticultural Science
    Publication Date: 2018
    detail.hit.zdb_id: 2040198-X
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  • 5
    Online Resource
    Online Resource
    Water uptake dynamics for adult peach trees in a subtropical humid climate
    Elsevier BV ; 2020
    In:  Scientia Horticulturae Vol. 267 ( 2020-06), p. 109318-
    Details
    In: Scientia Horticulturae, Elsevier BV, Vol. 267 ( 2020-06), p. 109318-
    Type of Medium: Online Resource
    ISSN: 0304-4238
    URL: Article
    DOI: 10.1016/j.scienta.2020.109318
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2020
    detail.hit.zdb_id: 2016351-4
    SSG: 12
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  • 6
    Online Resource
    Online Resource
    Key Plant, Key Pests: Chinese Elm (Ulmus parvifolia)
    University of Florida George A Smathers Libraries ; 2018
    In:  EDIS Vol. 2018, No. 3 ( 2018-07-09)
    Details
    In: EDIS, University of Florida George A Smathers Libraries, Vol. 2018, No. 3 ( 2018-07-09)
    Abstract: This series of Key Plant, Key Pests publications are designed for Florida gardeners, horticulturalists and landscape professionals to help identify common pests associated with common Florida flora. This publication, the second in the Key Plant, Key Pests Series, helps identify the most common pests found on the Chinese Elm (Ulmus parvifolia). This publication provides information and general management recommendations for anthracnose or black elm spot, powdery mildew, trunk canker, borers, eriophyid mites and leaf beetles.https://edis.ifas.ufl.edu/ep559
    Type of Medium: Online Resource
    ISSN: 2576-0009
    URL: Article
    DOI: 10.32473/edis-ep559-2018
    Language: Unknown
    Publisher: University of Florida George A Smathers Libraries
    Publication Date: 2018
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  • 7
    Online Resource
    Online Resource
    Nursery Production Method Affects Root Growth
    Horticultural Research Institute ; 1996
    In:  Journal of Environmental Horticulture Vol. 14, No. 2 ( 1996-06-01), p. 88-91
    Details
    In: Journal of Environmental Horticulture, Horticultural Research Institute, Vol. 14, No. 2 ( 1996-06-01), p. 88-91
    Abstract: This study compared growth and biomass distribution on two commonly grown trees produced in plastic containers with those in fabric containers and in the field. Shoot: root ratio on field-grown and fabric container-grown laurel oak (Quercus laurifolia Michx.) was higher than on holly (Ilex × attenuata Ashe. ‘East Palatka’). Ratios were similar for trees grown in plastic containers. Compared to oaks, a larger portion of holly root balls was comprised of small diameter roots. Root spread of field-grown laurel oak was similar to those produced in fabric containers. Trees of both species growing in plastic containers had several times more fine root mass (roots 2 mm or less diameter) within the root ball than those dug from the field or fabric containers. Total root ball root weight in plastic containers was less than in field-and fabric container grown trees. Root weight inside the root balls for field-grown and fabric container-grown trees was similar but field-grown root balls were twice the volume. Only 17% (field) and 26% (fabric containers) of holly root weight within the root ball was from roots 10 mm or less in diameter. However, 48% percent of root weight on trees grown in plastic containers was in this diameter class. Between 68 and 84%, depending on species and production method, of total-tree root weight was inside the root ball. Between 10% and 18.1%, depending on species and production method, of roots 2 mm or less in diameter was inside the root ball.
    Type of Medium: Online Resource
    ISSN: 0738-2898 , 2573-5586
    URL: Article
    DOI: 10.24266/0738-2898-14.2.88
    Language: English
    Publisher: Horticultural Research Institute
    Publication Date: 1996
    detail.hit.zdb_id: 2932434-8
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  • 8
    Online Resource
    Online Resource
    Establishment and Growth of Begonias in the Landscape as Affected by Root Ball Condition at Transplanting
    Horticultural Research Institute ; 2006
    In:  Journal of Environmental Horticulture Vol. 24, No. 4 ( 2006-12-01), p. 213-217
    Details
    In: Journal of Environmental Horticulture, Horticultural Research Institute, Vol. 24, No. 4 ( 2006-12-01), p. 213-217
    Abstract: Begonias (Begonia semperflorens) were transplanted into an open-sided clear polyethylene covered shelter to evaluate the effect of root ball condition on establishment and growth. Three root ball classes were evaluated: non root-bound (NRB; 6 week old plants), root-bound (RB; 10 week old plants), and root-bound with the bottom 1 cm of the root ball removed (RBM). Non root-bound plants had greater growth rates for both height and faster rates of accumulation for cumulative root dry mass and new root dry mass relative to the other treatments tested. Cumulative shoot dry mass, new shoot dry mass, and total biomass accumulation rates were slower among RB plants compared to other rootball conditions. Mean canopy size, shoot dry mass, and biomass of NRB were significantly less at transplant; however all parameters were comparable among treatments 12 weeks later. Final mean shoot to root ratios were lower for the NRB treatment relative to RBM. Results indicate smaller, NRB transplants establish faster in the landscape. Furthermore, rootball manipulation is not recommended as it had no significant effect on root establishment or canopy growth of this annual bedding plant in the landscape.
    Type of Medium: Online Resource
    ISSN: 0738-2898 , 2573-5586
    URL: Article
    DOI: 10.24266/0738-2898-24.4.213
    Language: English
    Publisher: Horticultural Research Institute
    Publication Date: 2006
    detail.hit.zdb_id: 2932434-8
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  • 9
    Online Resource
    Online Resource
    Production Method Affects Tree Establishment in the Landscape
    Horticultural Research Institute ; 1996
    In:  Journal of Environmental Horticulture Vol. 14, No. 2 ( 1996-06-01), p. 81-87
    Details
    In: Journal of Environmental Horticulture, Horticultural Research Institute, Vol. 14, No. 2 ( 1996-06-01), p. 81-87
    Abstract: Trunk growth rates one year after transplanting 5 cm (2 in) caliper laurel oak (Quercus laurifolia Michx.) from above-ground plastic containers, from in-ground fabric containers or from the field (B & B) matched or exceeded growth rates before transplanting. Growth rates for all three treatments were similar seven months after transplanting. Shoots on field-grown trees grew more in the first year after transplanting than those from fabric or plastic containers. Roots removed at the time of digging were completely replaced on field and fabric container trees six months after transplanting. One year after transplanting, roots occupied the same soil volume as just prior to transplanting. Trees from plastic containers regenerated roots slower than B & B trees or those from fabric containers. When irrigation frequency was reduced 14 weeks after transplanting (WAT), trees from plastic containers were water stressed more (had more negative xylem potential) than B & B or fabric container trees. Growth rates of East Palatka holly (Ilex × attenuata Ashe. ‘East Palatka’) responded similarly to laurel oak; however hollies took longer to establish roots into landscape soil and took longer for the trunk growth rate to match that on trees prior to transplanting.
    Type of Medium: Online Resource
    ISSN: 0738-2898 , 2573-5586
    URL: Article
    DOI: 10.24266/0738-2898-14.2.81
    Language: English
    Publisher: Horticultural Research Institute
    Publication Date: 1996
    detail.hit.zdb_id: 2932434-8
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  • 10
    Online Resource
    Online Resource
    A Large-volume Rhizotron for Evaluating Root Growth Under Natural-like Soil Moisture Conditions
    American Society for Horticultural Science ; 2011
    In:  HortScience Vol. 46, No. 12 ( 2011-12), p. 1677-1682
    Details
    In: HortScience, American Society for Horticultural Science, Vol. 46, No. 12 ( 2011-12), p. 1677-1682
    Abstract: An experimental system that allows imposition of precise irrigation treatments with easy and quick observations of unrestricted root growth of woody plants was developed. The system mimics natural deep soil percolation and facilitates rapid assessment of large root populations. It was designed to be relatively inexpensive to build so that treatments could be efficiently replicated. Designs for this star-shaped rhizotron were developed and evaluated with the goals of: 1) optimizing volume and shape for minimal physical restriction and use with mature woody plants; 2) developing a drainage system comparable to natural deep soils; and 3) facilitating ease, accuracy, and duration of data acquisition. The final design allows efficient root observation, uses a wick-type drainage system to provide a near-uniform profile of soil moisture, and is easily manageable for precise long-term data acquisition. This rhizotron has eight independent viewing/sampling windows and holds 0.16 m 3 of soil. An associated lightweight and compact camera positioning frame was developed that facilitates acquisition of digital photographs of soil profiles for time-series assessment of morphological and architectural parameters.
    Type of Medium: Online Resource
    ISSN: 0018-5345 , 2327-9834
    URL: Article
    DOI: 10.21273/HORTSCI.46.12.1677
    Language: Unknown
    Publisher: American Society for Horticultural Science
    Publication Date: 2011
    detail.hit.zdb_id: 2040198-X
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