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more recent alternative substrate similar to sawdust was described by Wright and Browder (2005) . They demonstrated that Japanese holly ( Ilex crenata ‘Chesapeake’), azalea ( Rhododendron obtusum ‘Karen’), and marigold ( Tagetes erecta ‘Inca Gold

quantification procedure. z A plant species that may not benefit from supplemental silicon-based fertilizer applications is marigold. Frantz et al. (2008) reported that ‘African Atlantis Primrose’ marigold, Tagetes erecta L. plants, which received a nutrient

, marigold ( Tagetes erecta Big. ‘Inca Gold’) grown in a 3 pine chips:1 pinebark (by volume) substrate were equal to those grown in a 100% pinebark substrate when additional nutrients were applied to pine chip substrate. More recently, Boyer et al. (2006a

.), marigold ( Tagetes erecta L.), petunia, salvia ( Salvia coccinea L.), vinca ( Catharantus roseus L.), and zinnia ( Zinnia elegans L.)]. After 35 d of propagation, relative leaf chlorophyll content was obtained to confirm uniform appearance and to

comparison with new cultivars in future trials, and the effective elimination of previously evaluated cultivars was accomplished for marigolds ( Tagetes erecta and T. patula ), pansies, and violas in our initial evaluations. Detailed information for each

active endogenous gibberellins by PGRs can reduce plant height. Paclobutrazol effectively inhibits elongation of several floriculture crops, including seed impatiens ( Impatiens walleriana ), salvia ( Salvia splendens ), marigold ( Tagetes erecta

43 mol·m −2 ·d −1 . They found that only one, african marigold ( Tagetes erecta ‘American Antigua Orange’), showed an increase in height with more light through all DLIs examined. Both ageratum ( Ageratum houstonianaum ‘Hawaii White’) and petunia

)], and african marigold [ Tagetes erecta ( Badge et al., 2014 )]. In herbaceous perennials such as delphinium ( Delphinium elatum ) pinching of early shoots breaks apical dominance to encourage growth of secondary shoots ( Garner et al., 1997 ). Although

Sally’ salvia, ‘Bonanza Yellow’ marigold ( Tagetes erecta ), and ‘Cooler Pink’ vinca ( Catharanthus roseus ] increased as N fertilizer rate increased from 0 to 2 lb/1000 ft 2 N per year; but, the authors reported no effect of N rate on aesthetic quality

levels. Lower P concentrations in pour-through leachate compared with the fertilizer solution have also been observed in containerized Tagetes erecta L. ‘Inca Gold’ ( Tolman et al., 1990 ) and Euphorbia pulcherrima ‘Freedom Red’ Willd. Ex Klotzch