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Janelle E. Glady, N. Suzanne Lang, and Erik S. Runkle

applications at 1000 mg·L −1 ( Hayashi et al., 2001 ). The objective of this study was to determine whether ethephon application can improve stock plant management in perennials, specifically to maintain vegetative growth and improve cutting quality and

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Sean J. Markovic and James E. Klett

://ufdcimages.uflib.ufl.edu/IR/00/00/17/42/00001/EP28400.pdf > Glady, J.E. Lang, N.S. Runkle, E.S. 2007 Effects of ethephon on stock plant management of Coreopsis verticillata, Dianthus caryophyllus, and Veronica longifolia HortScience 42 1616 1621 Grossman, M. Freeborn, J

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Sean J. Markovic and James E. Klett

This study aimed to assess the effects of plant growth regulators (PGRs) on stock plant production of mojave sage (Salvia pachyphylla) and ‘Avalanche’ cape daisy (Osteospermum hybrid) that received foliar sprays of the following three PGRs: 200 and 400 ppm ethephon; 250 and 500 ppm benzyladenine; and 50 and 100 ppm gibberellic acid 4 and 7 (GA4+7) plus benzyladenine. Vegetative growth [height and width growth index (GI)], the number of vegetative cuttings, and fresh weight (FW) and dry weight (DW) of the harvested vegetative cuttings data were collected. A propagation study was conducted concurrently to determine the effects of the PGR treatments on rooting vegetative cuttings. GA4+7 plus benzyladenine (50 and 100 ppm) increased the production of both mojave sage and ‘Avalanche’ cape daisy cuttings by ≥18% more than the other treatments. The GI, FW, and DW results showed similar trends across experiments 1 and 2 for each perennial. In the propagation study, the rooting percentage did not differ after 4 weeks, indicating that the use of GA4+7 plus benzyladenine in production protocols could benefit producers of both perennials.

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Mary Vargo and James E. Faust

does not prematurely initiate flowers in propagation. In this study, stock plant management techniques and NP SP of the harvested cuttings were explored on hybrid impatiens for the purpose of producing unrooted cuttings that flowered on a predictable

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Joaquin A. Chong, Uttara C. Samarakoon, and James E. Faust

stock plant canopy reaches canopy closure far in advance of the harvest season, then labor is wasted removing cuttings until there is market demand while not increasing branching. Previous studies on stock plant management techniques are relatively few

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Uttara C. Samarakoon and James E. Faust

)]. Therefore, the second objective of the current research was to quantify the effect of preharvest SA application on postharvest leaf mechanical strength of poinsettia cuttings. Materials and methods Stock plant management. Poinsettia ‘Prestige Red’ rooted

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Christopher J. Currey and Nicholas J. Flax

Ebert, V.F. Ebert, G.A. 1984 The miracle houseplants. Crown Publ., New York, NY Glady, J.E. Lang, N.S. Runkle, E.S. 2007 Effect of ethephon on stock plant management of Coreopsis verticillata, Dianthus caryophyllus , and Veronica longifolia HortScience

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Christopher J. Currey, Kenneth G. McCabe, and Kellie J. Walters

horticulture: Their role and commercial uses. Food Products Press, Binghamton, NY Glady, J.E. Lang, N.S. Runkle, E.S. 2007 Effect of ethephon on stock plant management of Coreopsis verticillata, Dianthus caryophyllus , and Veronica longifolia HortScience 42

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William B. Miller, Neil S. Mattson, Xiaorong Xie, Danghui Xu, Christopher J. Currey, Kasey L. Clemens, Roberto G. Lopez, Michael Olrich, and Erik S. Runkle

, Binghamton, NY Glady, J.E. Lang, N.S. Runkle, E.S. 2007 Effects of ethephon on stock plant management of Coreopsis verticillata, Dianthus caryophyllus , and Veronica longifolia HortScience 42 1616 1621 Johnson, C.R. McConnell, D.B. Joiner, J.N. 1982

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Brigitte D. Crawford, John M. Dole, and Ben A. Bergmann

.). Geraniums IV. Ball Publ., Geneva, IL Garland, K.F. Burnett, S.E. Stack, L.B. Zhang, D. 2010 Minimum daily light integral for growing high-quality coleus HortTechnology 20 929 933 Gibson, J.L. 2006 Stock plant management, p. 31–38. In: J.M. Dole and J