Spathiphyllum plant named ‘Sweet Dario’

Details Spathiphyllum plant named ‘Sweet Dario’ Spathiphyllum plant named ‘Sweet Dario’

2002-02-19

2003-07-08

Campell, Bruce R. (Department: 1661)

Plants

Herbaceous ornamnental flowering plant

Spathiphyllum

Plant Patent

active

PP013956

ABSTRACT:

Latin name of the genus and species of the plant claimed: Spathiphyllum hybrid.
Variety denomination: ‘Sweet Dario’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Spathiphyllum plant, hereinafter referred to by the cultivar name ‘Sweet Dario’. The new cultivar originated from a cross made in a controlled breeding program in Monster, The Netherlands. The female parent is ‘991274-26’ (unpatented). The male parent is ‘93161-
95’ (unpatented). ‘Sweet Dario’ was discovered and selected by the inventor, Petrus C. M. Olsthoorn, as a flowering plant within the progeny of the stated cross in a controlled environment in Monster, The Netherlands.
Asexual reproduction of the new cultivar was first performed by tissue culture in week 16 of 1997 in Honselersdijk, The Netherlands and has demonstrated that the combination of characteristics as herein disclosed for the new cultivar are firmly fixed and retained through successive generations of asexual reproduction and reproduce true-to-type.
BRIEF DESCRIPTION OF THE INVENTION
The following traits have been repeatedly observed and are determined to be basic characteristics of ‘Sweet Dario’ which in combination distinguish this Spathiphyllum as a new and distinct cultivar:
1. Dark and glossy leaves;
2. Most shoots producing inflorescences;
3. Shell-shaped inflorescence; and
4. Large spadix.
‘Sweet Dario’ has not been observed under all possible environmental conditions. The phenotype of the new cultivar may vary significantly with variations in environment such as temperature, light intensity, and day length without any change in the genotype of the plant. The following observations, measurements and values describe the new cultivar as grown in Honselersdijk, The Netherlands under conditions which closely approximate those generally used in commercial practice.
Of the many commerical cultivars known to the present inventor, the most similar in comparison to ‘Sweet Dario’ is the cultivar ‘Cupido’ (unpatented). Compared to ‘Cupido’, the leaves of ‘Sweet Dario’ are much darker and glossier. ‘Sweet Dario’ produces much more shoots than ‘Cupido’. About 9 seeds of ‘Cupido’ are needed to produce the same amount of shoots from a single plant of ‘Sweet Dario’. Nearly all shoots of ‘Sweet Dario’ produce inflorescences whereas only the main shoots of ‘Cupido’ produce inflorescences. The inflorescences of ‘Sweet Dario’ are approximately 10 percent bigger than the inflorescences of ‘Cupido’. The inflorescence shape of ‘Sweet Dario’ is shell-shaped whereas the inflorescence shape of ‘Cupido’ is more oval. The spadix of ‘Sweet Dario’ is approximately 10-15% larger than the spadix of ‘Cupido’. The inflorescence stem of ‘Sweet Dario’ is also much darker than the inflorescence stem of ‘Cupido’. In order to force the shoots of a Spathiphyllum to flower gibberalic acid is added. ‘Cupido’ needs more than twice the concentration of this hormone than ‘Sweet Dario’ to get the same result. The main vein of the leaves of ‘Sweet Dario’ is lighter than the color of the leaves whereas the main vein of the leaves of ‘Cupido’ is the same color as the leaves. Finally, ‘Cupido’ is more sensitive to light than ‘Sweet Dario’ causing the leaves of ‘Cupido’ to lighten in color faster than those of ‘Sweet Dario’.


REFERENCES:
UPOV-ROM GTITM Computer Database 2002/03, GTI Jouve Retrieval Software, Citation for Spathiphyllum ‘Sweet Dario’.

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