Guzmania plant named ‘Tempo’

Details Guzmania plant named ‘Tempo’ Guzmania plant named ‘Tempo’

1999-06-30

2001-10-09

Campell, Bruce R. (Department: 1638)

Plants

Rose

Climber

Plant Patent

active

PP012124

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of Guzmania that is a hybrid, hereinafter referred to by the cultivar name ‘Tempo’.
Guzmania is predominantly epiphytic with a few terrestrial species and is native to the tropics. For the most part, species vary in diameter from 7 or 8 inches to 3 or 4 feet and have rosettes of glossy, smooth-edged leaves.
Floral bracts of Guzmania frequently have brilliant colors and may last for many months. The range of colors for Guzmania is generally from yellow through orange but may also include flame red and red-purple. White or yellow, tubular, three-petalled flowers may also appear on a stem or within the leaf rosette but are usually short lived.
Guzmania may be advantageously grown as pot plants for greenhouse or home use. Desirably, the plants are shaded from direct sunlight; and, during the spring to autumn period, the central vase-like part of the leaf rosette is desirably filled with water.
Guzmania is native to tropical America. Leaves of Guzmania are usually formed as basal rosettes which are stiff and entire and in several vertical ranks. Guzmania plants have terminal spikes or panicles which are often bracted with petals united in a tube about as long as the calyx. The ovary is superior and the seeds plumose.
Asexual propagation of Guzmania is frequently done through the use of tissue culture practices. Propagation can also be from offshoots produced by the plant which may then be rooted. The resulting plantlets are detached from the mother plant and may be potted in a suitable growing mixture.
Methods for cultivation and crossing of Guzmania are well known. For a detailed discussion, reference is made to the following publications, which are incorporated herein by reference: Benzing, David H.,
The Biology of the Bromeliads
, Mad River Press, Inc., Eureka (1980); Zimmer, Karl,
Bromelien
, Verlag Paul Parey, Berlin (1986); and Rauh, Werner,
Bromelien
, Verlag Eugen Ulmer, Stuttgart (1981).
The new cultivar ‘Tempo’ is a product of a planned breeding program and was originated by the inventors from a cross made during such a program in Assendelft, The Netherlands, in 1993. The male or pollen parent was a proprietary selection of
Guzmania lingulata minor
identified by Code No. 93523011 . The female or seed parent was a proprietary selection of
Guzmania lingulata lingulata
identified by Code No. 93523272.
The selection which is the variety ‘Tempo’ was chosen after commencement of flowering of the progeny of the cross of 93523011×93523272 in 1996 in Assendelft, The Netherlands. The selection was first asexually propagated through offshoots by, or under the supervision of, the inventors in Assendelft, with subsequent asexual reproduction through offshoots. Continuous asexual propagation has demonstrated that the combination of characteristics as herein disclosed for the new cultivar ‘Tempo’, as observed in Assendelft, The Netherlands, are firmly fixed and are retained through successive generations of asexual reproduction.
Both parents have a degree of homozygosity such that the progeny of the cross 93523011×93523272 are phenotypically uniform and identical to ‘Tempo’. Accordingly, plants which are phenotypically identical to ‘Tempo’ can be produced by sexual reproduction as well as asexual reproduction.
‘Tempo’ has not been tested under all available environmental conditions. The phenotype may vary with variations in environmental conditions such as temperature, light intensity, frequency of fertilization, composition of fertilizer, acetylene treatment, day length and humidity without, however, any change in the genotype of the new cultivar. For example, substantial differences in plant height and diameter, and the number of leaves, can result depending on the size of the plant at the time flowering is induced by acetylene treatment. Since treatment with acetylene to induce flowering disrupts normal watering and fertilization regimens, acetylene treatment of relatively smaller plants adversely affects the growth of the plant.
The closest comparison cultivar is Guzmania ‘Intro’. The most important difference is the color of the inflorescence. Guzmania ‘Tempo’ is red (RHS 44A) and Guzmania ‘Intro’ is gray-purple (RHS 185A).
BRIEF SUMMARY OF THE INVENTION
‘Tempo’ is particularly characterized by the following characteristics:
1. Solid, compact growth habit in a funnel-form rosette measuring approximately 19 cm in height above the pot when flowering; the cultivar is small both in height and overall diameter;
2. Numerous, relatively narrow leaves, each approximately 2-3 cm in width and 21 cm in length;
3. Superior floral bract production;
4. Star-shaped inflorescence;
5. Floral bracts are a bright, relatively deep red, which especially distinguishes the new cultivar from others, including the cultivar ‘Intro’ disclosed in U.S. Plant Pat. No. 10,852; and
6. Long-lasting habit.


REFERENCES:
UPOV-ROM GTITM Computer Database 2000/2, GTI Jouve Retrieval Software, Citations for Guzmania named ‘Tempo’, 2000.

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