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Joyous Suiyigheh Tata and Hans Christian Wien

Ornamental sunflowers have become increasingly popular as cut flowers the world over ( Blacquière et al., 2002 ; Devecchi, 2005 ). Despite its popularity as a cut flower, growers of cut sunflowers have long complained about the susceptibility of

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Sophia Kamenidou, Todd J. Cavins, and Stephen Marek

methods of application on the horticultural traits of greenhouse-produced ornamental sunflowers. Silicon supplements were evaluated based on Si concentrations accumulated in plant tissues; visual quality characteristics such as height, stem, and flower

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James E. Altland, James C. Locke, Wendy L. Zellner, and Jennifer K. Boldt

SS to the industry standard DL. Materials and Methods General conditions. Sunflower [ Helianthus annuus L. ‘Pacino Gold’ (Ball Seed, West Chicago, IL)] were sown in a 288-cell flat filled with Sunshine Mix No. 2 (Sun Gro Horticulture, Seba Beach

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Andrea R. Garfinkel and Karen L. Panter

Cut sunflowers are desirable and available nearly year-round ( Nau, 2011 ) but are especially popular in the fall and summer months ( Wien, 2009b ; Yañez et al., 2012 ). Sunflowers are quite popular as fresh cut flowers year-round, largely due to

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James E. Altland and Jennifer K. Boldt

weekends. This experiment was repeated. Effect on plant growth. Sunflower ( Helianthus annuus L. ‘Sunbright’) seeds (Ball Horticultural Co., West Chicago, IL) were sowed on 2 Aug. 2016 into 50-cell trays filled with a soilless substrate composed of 85

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Mason Marshall, Terri Starman, H. Brent Pemberton, and Calvin Trostle

. Previous research classified sunflower ( Helianthus spp.) as having strong apical dominance that can be broken only with the removal or manual pinching of the apical meristem ( Bhattacharjee and Gupta, 1984 ; Cline 1978 ). Currently, some basal branching

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Jennifer K. Boldt, James C. Locke, and James E. Altland

( Cucumis sativus L.), squash, and pumpkin ( Cucurbita spp.)], and Asteraceae [sunflower and zinnia ( Zinnia elegans L.)] are Si accumulators ( Frantz et al., 2010 ). However, most greenhouse-grown ornamentals are considered low Si accumulators or

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Karen L. Panter, Timmothy M. Gergeni, Casey P. Seals, and Andrea R. Garfinkel

vulgaris ) yield, with decreased productivity of bean plants grown in north (in an EW-oriented tunnel) and west (in a NS-oriented tunnel) growing locations. The sunflower will flower from 75 to 150 d after sowing ( Fernández-Martinez et al., 2009 ), with

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Kaitlin Barrios and John M. Ruter

Swamp sunflower is an underused, fall-blooming southern United States native perennial plant producing a swath of eye-catching inflorescences. The numerous flower heads reside above the foliage in a corymbose or racemose arrangement, each with a

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Hans C. Wien

Sunflower has become a popular cut flower in North America, where it has been grown primarily in the field during the summer season ( Armitage and Laushman, 2003 ). As demand has increased for sunflower at other times of the year, the daylength