Date Last Edited: 08/24/2001
Hawaii Cooperative Extension Service
Evaluation of two anthurium selections with cooperating growers in East Hawaii was completed. UH908 with light red spathe was named 'Alii,' and UH965 with white spathe and red spadix was named 'Rudolph'. The characteristics of the cultivars are given in Table 1.
'Alii' originated from a cross between UH515 and 'Paradise Pink' made on May 28, 1978. The seedling was selected on July 28, 1980 for observation and evaluation and placed in aseptic culture in 1983. Tissue-cultured plantlets were transferred to cooperat ors for advance testing in 1985. Unfortunately, this selection is susceptible to bacterial blight, and most of the plants originally tested with cooperators succumbed to the disease.
More recently, one of the cooperators has been re-evaluating this selection in a plastic covered house. Bacterial blight of 'Alii' under the moisture-controlled greenhouse was greatly minimized. Also, several young plants started from presumably bacteri a-free tissue-cultured plants have been performing relatively well under saran shade.
The major attributes of 'Alii' are (Table 1):
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'Rudolph' has many cultivars in its pedigree that are common to 'Alii'. It was originally selected on January 27, 1981 from a cross made on April 15, 1978. After a period of evaluation, it was placed in aseptic culture in 1985 for advance testing. Tissue- cultured plantlets were transferred to cooperators in 1989. The performance of this selection has been satisfactory.
The major attribute of this cultivar is (Table 1):
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Table 1. Characteristics of 'Alii' and 'Rudolph.' Characteristics 'Alii' 'Rudolph' Scape Size and Shape Heart-shape, overlapping Heart-shape, overlapping lobes basal lobes, sometimes sometimes turning slight obake; keeled at base; 7" long, 6 1/4" long, 4 3/4" wide, carried 5" wide; carried about 45° about 45° from flower stem from flower stem axis. axis. Color Light Red (RHSCC* 45B) White, sometimes developing a pink blush and light green lobes. Spadix Size and Shape 3 1/2" long, 1/2" diameter; 3" long, 3/8" diameter; reclining reclining. Color Light orange (RHSCC 25B), Red (RSHCC 44B), turning purplish turning white with maturity. with maturity. Anthracnose Resistant. Resistant. Flower Stem Erect, 21" long, 3/8" diameter. Erect, 24" long, 3/8" diameter. Yield 7.1 flowers per plant per year. 6.9 flowers per plant per year. Leaf Blade 14 1/2" long, 8 1/2" wide, 16" long, 8 1/2" wide; heart- heart-shape with lobes shape with lobes slightly slightly overlapping. overlapping. Petiole 25" long, 1/4" diameter. 26" long, 1/4" diameter. Internode Short. Short. Sucker Production Poor. Moderate. Bacterial Blight Susceptible. Susceptible. * Royal Horticultural Society Colour Chart.
Dept. of Horticulture
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