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Zhanao Deng, Brent K. Harbaugh, and Natalia A. Peres

Caladiums ( Caladium ×hortulanum Birdsey, Araceae Juss.) are ornamental aroids valued for their bright colorful leaves. They are commonly used as container and landscape plants. Pink cultivars have been very popular and the most popular pink

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Zhanao Deng, Brent K. Harbaugh, and Natalia A. Peres

Caladiums ( Caladium ×hortulanum Birdsey, Araceae Juss.) are ornamental aroids grown for their bright, colorful leaves. Their short forcing period, shade tolerance, and low maintenance requirements in the landscape make caladiums popular among

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Zhanao Deng, Natalia A. Peres, and Johan Desaeger

Caladium ( Caladium × hortulanum Birdsey, Araceae Juss.) is an ornamental aroid often grown in containers or planted in the landscape as accent and border plants ( Deng, 2018 ; Evans et al., 1992 ). Caladium plants are valued for their variably

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Gary J. Wilfret

Intact tubers of Caladium cv. Florida Elise were soaked for 30 min in water at 24 or 50 °C in l998 and manually cut into cubes with 2-cm sides. Propagules were planted on 15-cm centers in raised sand beds covered with white plastic. Tubers were harvested in 6 months, air-dried, cleaned, weighed, and graded. Yield of No. 2 tubers (>1.9 <3.8 cm diam) was increased 31%, total tuber weight was 13% greater, and the production index was 13% larger due to hot-water treatment. No differences were determined for other tuber sizes. Tubers harvested from both treatments were soaked for 30 min in 1999 in water at 24 or 50 °C or in water at 24 or 50 °C that contained the fungicide Systec 85WDG [thiophanate methyl(dimethyl{(1,2-phenylene)-bis(iminocarbonothioyl)}bis{carbamate}] at 33.6 g/20 L. Tubers were cut and planted as in l998 and harvested in 2000. Tuber yields and production indices were greater in all hot-water treatments, but were not increased by fungicides alone. Yields from tubers that were not hot-water treated in l998 but were soaked in hot water in l999 were similar to those tubers that were hot-water-treated in both years. Fungicides did not have an additive effect when hot-water was used.

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Zhanao Deng and Brent K. Harbaugh

Caladiums ( Caladium × hortulanum Birdsey, Araceae Juss.) are tropical ornamental aroids. They are often forced as potted plants and grown in the landscape to provide color ( Evans et al., 1992 ). A great majority of caladium plants in the

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Baldwin D. Miranda and Brent K. Harbaugh

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Lyn A. Gettys and William T. Haller

plants in landscapes that are irrigated with herbicide-treated water. Materials and methods Anthurium, caladium, spathiphyllum, and syngonium were purchased in Apr. and May 2009 from Agri-Starts IV, Inc. in Apopka, FL. All plants were purchased as liners

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Michelle A. Grabowski and Dean K. Malvick

, caladium, and elephant ear have a long history of cultivation. Canna originates from South America and was first introduced to European gardeners as a foliage plant in 1595 ( Khoshoo and Mukherjee, 1970 ; Prince, 2011 ). Caladium originates from tropical

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Gitta Shurberg, Amy L. Shober, Christine Wiese, Geoffrey Denny, Gary W. Knox, Kimberly A. Moore, and Mihai C. Giurcanu

2 N, respectively, depending on year and mulch treatment); however, fertilizer rate did not affect plant aesthetic quality. Similarly, tuber weight and production index of field grown caladium increased when N was applied at 200 or 300 lb

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James E. Barrett, Carolyn A. Bartuska, and Terril A. Nell

Experiments with' White Christmas' and `Carolyn Wharton' caladiums (Caladium × hortulanum Birdsey), croton (Codiaeum variegatum), brassaia (Brassaia actinophylla Endl.), `Annette Hegg Dark Red' poinsettia (Euphorbia pulcherrima Wind.), and `Super Elfin Red' and `Show Stopper' impatiens [Impatiens wallerana (L.) Hook.f.] determined effectiveness of paclobutrazol in solid spike form as compared to media drench applications for height control. Paclobutrazol drenches and spikes were effective for all crops tested, with a similar concentration response for all, except that drenches had greater efficacy than spikes on caladium. A reduced effect was observed when spikes were placed on the medium surface of `Super Elfin Red' impatiens, while placement in the middle of the pot or around the side was equally effective. These results indicate that the spike formulation of paclobutrazol has potential to provide adequate size control for floriculture crops with the possible exception of rapidly developing crops, such as caladiums. Chemical name used: (2RS, 3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-1,2,4-triazol-1-yl-) penten-3-ol (paclobutrazol).