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H.T. Kraus, S.L. Warren, G.J. Bjorkquist, A.W. Lowder, C.M. Tchir and K.N. Walton

are generally higher ranging from 90 to 255 mg·L −1 N applied daily with a 2:1:2 N:P:K ratio ( Bailey and Nelson, undated ). Although many herbaceous perennials have the same accelerated growth rate as annual plants, they also store nutrients in roots

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Gitta Shurberg, Amy L. Shober, Christine Wiese, Geoffrey Denny, Gary W. Knox, Kimberly A. Moore and Mihai C. Giurcanu

containerized plants in a nursery or greenhouse setting ( Dubois et al., 2000 ; Hipp et al., 1988 ; Macz et al., 2001 ; Nau, 1996 ). Nau (1996) reported that rates for producing optimal growth of herbaceous perennial plants during production generally fell

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Nicholas J. Flax, Christopher J. Currey, James A. Schrader, David Grewell and William R. Graves

Floriculture sales in the United States totaled $5.87 billion in 2014 [ U.S. Department of Agriculture (USDA), 2015 ], of which potted herbaceous perennials [excluding hardy/garden chrysanthemums ( Chrysanthemum × morifolium )] represented $742

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Yan Chen, Regina P. Bracy, Allen D. Owings and Joey P. Quebedeaux

studies have investigated the nutrient requirements of herbaceous perennials and the possibility of grouping them by their nutrient requirements during landscape establishment ( Proctor et al., 2004 ; Strother et al., 2002 ). Nitrogen recommendations for

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Nickolee Zollinger, Richard Koenig, Teresa Cerny-Koenig and Roger Kjelgren

which irrigation water does not come in contact with leaves. A limited number of commonly grown herbaceous perennials have native distributions in saline environments and are thought to have some tolerance to salinity. For example, Leucanthemum

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Mara Grossman, John Freeborn, Holly Scoggins and Joyce Latimer

together when pulled from the plug tray ( Dole and Hamrick, 2006 ). The objective of this study is to evaluate the effects of the application of BA to herbaceous perennial plants during liner production, specifically during Stage 3, on root growth and shoot

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Benjamin K. Hoover

; Free et al., 2010 ; Graber et al., 2010 ; Van Zwieten et al., 2010 ; Vaughn et al., 2013 ), root length ( Free et al., 2010 ; Solaiman et al., 2012 ), or leaf area ( Graber at al., 2010 ; Paneque et al., 2016 ). Herbaceous perennial seedling dry

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Margaret G. Aiken, Holly L. Scoggins and Joyce G. Latimer

://www.glplants.com/plants/3792-Verbena-bonariensis-Lollipop > Grossman, M. Freeborn, J. Scoggins, H. Latimer, J. 2011 Branching agents improve quality of herbaceous perennial liners. OFA Bulletin No. 930. p. 4–7. Nov./Dec. 2011 Haver, D.L. Schuch, U.K. 2001 Influence of root

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Mara Grossman, John Freeborn, Holly Scoggins and Joyce Latimer

To produce uniform plants, growers of herbaceous perennials control plant growth by using both cultural controls, including plant nutrition, light, and temperature, and chemical controls, i.e., PGRs ( Albrecht and Tayama, 1992 ; Whipker et al

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Leonard P. Perry

Mean yields (stems per plant) of 5 randomly selected plants from a block of 15 were determined for each of 13 species of 2–year old herbaceous perennials. Mean yields of Achillea filipendulin a `Coronation Gold' of 4 randomly selected plants, in each of 4 replicates in a randomized c-o-replete block design, were determined over 3 years for 3 spacings. The most consistent yields over the period, and highest in years 1 and 3, were from 60cm spacing between plant centers, with yields from 90cm and 30cm highly variable. In year 2, stems were graded by length with most stems 40 to 49cm at 30cm and 90cm spacings (19 and 46 stems) and 50 to 50cm at 60cm (27 stems). As stems per plant increased from 30 to 72 for 30cm to 90cm spacing, respectively, stems per 30cm2 decreased from 30 to 8. Vaselife was greatest (9 days) for stems in Oasis preservative, with less in Floralife (8 days), tap water (7 days), or distilled water (5 days). Flowers 10 days older prior to cutting lasted an average 2 days less.