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Tasneem M. Vaid, Erik S. Runkle, and Jonathan M. Frantz

input, availability, and lack of published information. American marigold ( Tagetes erecta ‘Inca II Mix’), cup flower ( Nierembergia caerulea ‘Purple Robe’), diascia ( Diascia barberae ‘Diamonte Mix’), flowering tobacco ( Nicotiana alata ‘Perfume

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Iftikhar Ahmad, Brian E. Whipker, and John M. Dole

.F. 1993 Growth and flowering of triazole-treated zinnia ( Zinnia elegans ) and marigold ( Tagetes erecta ) Plant Growth Reg. Soc. Amer. Quar. 21 169 179 Cox, D.A. Keever, G.J. 1988 Paclobutrazol inhibits growth of zinnia and geranium HortScience 23 1029

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Iftikhar Ahmad, John M. Dole, and Frank A. Blazich

’ lisianthus ( Eustoma grandiflorum ), ‘Double Eagle’ African Gold Coin Series marigold ( Tagetes erecta ), a major flower species in the Indo-Pak sub-continent, and ‘Deep Red’ Benary’s Giant Series zinnia ( Zinnia elegans ), one of the top three field

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W. Garrett Owen, Brian E. Jackson, William C. Fonteno, and Brian E. Whipker

substrates because substrate pH was inherently within the range of 5.5 to 6.4 ( Gruda and Schnitzler, 2006 ). Saunders et al. (2005) reported no advantage of amending 100% pine tree substrate (PTS) with limestone for african marigold ( Tagetes erecta

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Linda L. Taylor, Alexander X. Niemiera, Robert D. Wright, Gregory K. Evanylo, and Wade E. Thomason

. Six containers were left fallow and six were planted with ≈14-d-old marigold ( Tagetes erecta L. ‘Inca Gold’) seedlings grown in a 144-cell plug tray using Fafard Superfine Germinating Mix (Conrad Fafard, Inc., Agawam, MA). Substrate was also

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Youping Sun, Genhua Niu, Christina Perez, H. Brent Pemberton, and James Altland

by salt stress in sunflower leaves Scientia Hort. 103 1 93 99 Sayyed, A. Gul, H. Ullah, Z. Hamayun, M. 2014 Effect of salt stress on growth of Tagetes erecta L Pakhtunkhwa J. Life Sci. 2 ( 3/4 ) 96 106 10.21273/HORTSCI.50.10.1562 Sun, Y. Niu, G

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D.M. Quinn, B.K. Behe, J.L. Witt, and R.S. Roark

Our objective was to determine heat tolerance and performance of 245 summer-flowering annual plant cultivars installed 16 Mar. 1995 in beds receiving full sun located at the E.V. Smith Research Center in Shorter, Ala. (lat. 32°30′N, long. 85°40′W). No maintenance, with the exception of one midseason pruning of petunias, was performed. Catharanthus roseus L. `Blush Cooler' had the highest mean rating (4.1 of 5.0). Salvia farinacea Benth. `Victoria Blue' and Petunia ×hybrida `Fantasy Pink' both performed well with 3.5 mean ratings. `Purple Wave', a compact spreading cultivar of P. ×hybrida, had a 3.1 mean rating, but had a 5.0 rating before pruning. We do not recommend pruning `Purple Wave'. Of the 34 marigold cultivars evaluated, Tagetes erecta L. `Antigua Mixed' had the highest mean rating. Tagetes erecta `Inca Yellow' and `Perfection Gold' tied with the second highest mean rating.

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Linda L. Taylor, Alexander X. Niemiera, Robert D. Wright, and J. Roger Harris

-old marigold ( Tagetes erecta L. ‘Inca Gold’) seedling; seedlings were grown in a 144-cell plug tray using Fafard Superfine Germinating Mix (Conrad Fafard, Inc., Agawam, MA). At Day 1, ≈4 L each of PTS, PTSP, and PL without lime and gypsum amendments were

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Brian E. Jackson, Robert D. Wright, and Michael C. Barnes

. Marigold plants ( Tagetes erecta Big. ‘Inca Gold’), grown in a 100% PTS with 18% AS and 65% CC (produced with a 1.6-mm hammermill screen), were as large as plants grown in a peat-lite [PL; 80% peatmoss/20% perlite (v/v)] substrate that had similar AS and

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Deborah A. Tolman, Alexander X. Niemiera, and Robert D. Wright

Seedlings of 30-, 35, 40-, -45, and 50-day-old marigold (Tagetes erecta Big. `Inca Gold') in 500-ml plastic pots containing a 1 peat: 1 perlite (v/v) medium were treated with several fertilizer levels (N at 20, 50, 80, and 110 mg·liter-1); solution nutrient levels in the medium were determined 6 hours later. Older/larger container-grown plants absorbed more N, P, and K from the medium solution than younger/smaller plants. Also, older plants (>40 days) absorbed at least 88% of the solution N regardless of N treatment. Nitrogen absorption, regardless of plant age, increased as N application rates increased. The latter result implies that even though total N absorption increases with plant age/size, nutrient levels in the medium solution for optimal growth and nutrient uptake may be similar regardless of plant size.