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Open access

Abby Pace, Bruce L. Dunn, Charles Fontanier, Carla Goad, and Hardeep Singh

., 2021 ). Most glow-in-the-dark materials use the phosphors zinc sulfide or the newer strontium aluminate, whereas highlighters use pyranine or fluorescein. Glow-in-the-dark or photoluminescent materials carry phosphors that absorb low-energy light and

Open access

Abby Pace, Bruce L. Dunn, and Charles Fontanier

Luminescence is when light is emitted by an object given an energy source; however, the light disappears as soon as excitation ends. Glow-in-the-dark products, such as paints or powders, comprise a type of luminescence called photoluminescence

Open access

Heather Kalaman, Sandra B. Wilson, Rachel E. Mallinger, Gary W. Knox, Taehoon Kim, Kevin Begcy, and Edzard van Santen

Changes in land use patterns, resulting in overall reductions in natural habitat and nutrient-rich floral resources, have resulted in the decline of some wild and domesticated pollinator populations ( Foley et al., 2005 ; Potts et al., 2010

Open access

Derald Harp, Kevin Chretien, Mariah Brown, Curtis Jones, and Jose Lopez-Serrano

Diamond ® (BD) brand under the names BD Blush (Ebony Glow), BD Pure White (Ebony and Ivory), BD Crimson Red (Ebony Fire), BD Best Red (Ebony Flame), and BD Red Hot (Ebony Embers) ( Pounders et al., 2013 ). Each crepe myrtle in the series exhibits the dark

Open access

Heather Kalaman, Sandra B. Wilson, Rachel E. Mallinger, Gary W. Knox, and Edzard van Santen

, as both species are nonnative). This design was chosen to account for variation in both directions by foraging pollinators that may be influenced by the vegetation surrounding the field plots. Ruby glow pentas was removed from the analyses due to

Free access

Todd P. West, Gregory Morgenson, Larry Chaput, and Dale E. Herman

has also been evaluated by NDSU and been found to lack winterhardiness in USDA cold hardiness zone 4b (NDSU, unpublished data). Origin ‘Burgundy Glow’ was selected from a population of seedlings grown at the NDSU Dale E. Herman Research Arboretum

Free access

Cecil Pounders, Brian E. Scheffler, and Timothy A. Rinehart

’, ‘Ebony Flame’, ‘Ebony Glow’, and ‘Ebony and Ivory’ were registered in 2013 with the U.S. National Arboretum, which is the International Registration Authority for Lagerstroemia , in accordance with the International Code of Nomenclature for Cultivated

Open access

P. H. Bressan, Y.-J. Kim, S. E. Hyndman, P. M. Hasegawa, and R. A. Bressan

Abstract

The node position from which axillary buds were isolated from shoots of rose (Rosa hybrida L.) markedly affected their growth and development in culture. Those buds nearest to and furthest from the apex either failed to develop or took the longest time to develop in culture compared to those buds in the middle portion of the stem. Benzylamino purine (BA) at low concentrations (0.03 to 0.3 mg/liter) stimulated the development of the axillary buds of ‘Gold Glow’ but not of ‘Improved Blaze’. A photon flux density (400-700 nm) of 17μE m−2 s−1 for 12 to 24 hours daily was optimum for the stimulation of shoot multiplication, while 66 μE mm−2s−1 for 12 to 24 hr was optimum for root initiation and for subsequent successful transplantation to soil of tissue culture-derived plants. A constant temperature of 21°C resulted in the highest rate of shoot multiplication and root initiation. Plants which initiated roots at 16, 21, or 26° had the highest level of transplant survival. An alteration in the temperature of the 8-hr dark period from 21° did not increase shoot multiplication, although root initiation was enhanced by lowering the night temperature to 11 or 16°. Histological analysis indicated that shoot multiplication of rose shoots occurs through the growth and development of axillary buds. The development of axillary buds is apparently under the repressive influence of the shoot apex, because physical excision of the apex or application to the shoot apex of 2,3,5-triiodobenzoic acid (TIBA) facilitated axillary bud development. Root initiation was affected markedly by the length of time that cultures had been maintained on shoot multiplication medium prior to transfer to rooting medium. This effect may be attributable to the BA in the shoot multiplication medium which may have accumulated in the tissue. If the endogenous cytokinin level is too high, root initiation may be inhibited and if it is too low the shoot undergoes senescence before it becomes cytokinin-autonomous, which occurs after root initiation.

Free access

Rolston St. Hilaire

general agreement among horticulturists that bigtooth maple merits more widespread landscape use. Of the current cultivars of bigtooth maple in the nursery and landscape trades, A. grandidentatum ‘Schmidt’, marketed as Rocky Mountain Glow ® , A

Free access

Shu’an Wang, Rutong Yang, Peng Wang, Qing Wang, Linfang Li, Ya Li, and Zengfang Yin

color of the control cultivar Fenjing was green (140C) in spring, and dark green (131A) in summer ( Fig. 3 ). Branche number of ‘Jinhuang’ was significantly more than ‘Fenjing’ ( Table 1 ). However, plant height and ground diameter of ‘Jinhuang’ were