USPP23737P2 - Spathiphyllum plant named ‘S42’ - Google Patents

Spathiphyllum plant named ‘S42’ Download PDF

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Publication number
USPP23737P2
USPP23737P2 US13/200,509 US201113200509V USPP23737P2 US PP23737 P2 USPP23737 P2 US PP23737P2 US 201113200509 V US201113200509 V US 201113200509V US PP23737 P2 USPP23737 P2 US PP23737P2
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foliage
approximately
plants
spathiphyllum
green
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Marian Osiecki
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Oglesby Plants International Inc
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Oglesby Plants International Inc
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02—Flowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy

Definitions

  • the new cultivar is a product of a planned breeding program.
  • the objective of the breeding program was to develop new Spathiphyllum varieties suitable for 4 inch or 6 inch commercial pot production, and with fast growth, and dark green foliage.
  • the new variety originated from a cross pollination of a proprietary, unpatented seed parent referred to as ‘03-3-1’ and the pollen parent, ‘Power Petite’ U.S. Plant Pat. No. 15,649. The crossing was made during April 2005.
  • the new variety was discovered by the inventor, Marian Osiecki, a citizen of the US, in September 2006 in a group of seedlings resulting from the crossing.
  • the new cultivar was found in a commercial greenhouse in Altha, Fla.
  • the cultivar ‘S42’ has not been observed under all possible environmental conditions.
  • the phenotype may vary somewhat with variations in environment such as temperature, day length, and light intensity, without, however, any variance in genotype.
  • Plants of the new cultivar ‘S42’ are similar to the seed parent in most horticultural characteristics. The new variety, however, produces shorter, more compact plants. Additionally, ‘S42’ produces thicker, shorter, narrower leaf blades and shorter petioles than the seed parent. Spathes of ‘S42’ are smaller and closer to the foliage than the spathes of the seed parent. ‘S42’ has also shown better resistance to the diseases Myrothecium and leaf Phytophthora than the seed parent. ‘S42’ produces spathes earlier and more abundantly than ‘03-3-1’.
  • Plants of the new cultivar ‘S42’ are similar to the pollen parent ‘Power Petite’ U.S. Plant Pat. No. 15,649 in most horticultural characteristics. Plants of the new variety however are more vigorous and faster growing than ‘Power Petite’. Additionally, ‘S42’ produces more leaves, and produces additional foliage earlier than ‘Power Petite’. Plants of ‘S42’ are taller than plants of ‘Power Petite’. Foliage of the two varieties differs; ‘S42’ produces wider, darker, more upright foliage with less undulation on the leaf blade than ‘Power Petite’. Additionally, plants of ‘S42’ produce spathes earlier and more abundantly than ‘Power Petite’. Plants of ‘S42’ respond after 10 weeks to the normal GA treatment given to commercial Spathiphyllum plants, whereas ‘Power Petite’ responds after 14 weeks. Spathes of ‘S42’ are produced closer to the foliage than those of ‘Power Petite’.
  • ‘S42’ can be compared to compared to the commercial variety Spathiphyllum ‘S9’ U.S. Plant Pat. No. 9,901 Plants of ‘S9’ are similar to plants of ‘S42’ in most horticultural characteristics, however, plants of ‘S42’ are larger and faster growing than ‘S9’. ‘S42’ has much darker, glossier leaves than ‘S9.’ Additionally ‘S42’ produces more shoots and has a wider leaf with a less undulating leaf margin than ‘S9’. Spathes on plants of ‘S42’ are closer to the foliage than the spathes produced on plants of ‘S9’.
  • ‘S42’ can be compared to compared to the commercial variety Spathiphyllum ‘54905’ U.S. Plant Pat. No. 13,718. Plants of ‘54905’ are similar to plants of ‘S42’ in most horticultural characteristics, however, plants of ‘S42’ are shorter than plants of ‘54905’. ‘S42’ has much darker, glossier leaves that are shorter in length than foliage of ‘54905.’ Additionally ‘S42’ produces foliage with an upright orientation, whereas foliage of ‘54905’ is outwardly arched, creating a more open plant form. Spathes on plants of ‘S42’ are closer to the foliage than the spathes produced on plants of ‘54905’ Spathes of ‘S42’ are more elongated compared to the rounder spathe shape of ‘54905’.
  • FIG. 1 illustrates in full color a typical plant of ‘S42’ grown in a greenhouse in Altha, Fla.
  • This plant is approximately 9 months old, shown in a 6 inch pot.
  • the photograph was taken using conventional techniques and although colors may appear different from actual colors due to light reflectance it is as accurate as possible by conventional photographic techniques.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

A new and distinct Spathiphyllum cultivar named ‘S42’ is disclosed, characterized by dark green, glossy foliage, early foliage production and rapid, compact growth. The new variety maintains its dark green foliage color under higher than normal light conditions, or low nutrient levels. The new variety is commercially suitable for four and six inch pot production and responds to GA application by producing spathes 10 weeks after application. The new variety is a Spathiphyllum, typically produced as an indoor ornamental plant.

Description

Latin name of the genus and species: Spathiphyllum hybrid.
Variety denomination: ‘S42’.
BACKGROUND OF THE INVENTION
The new cultivar is a product of a planned breeding program. The objective of the breeding program was to develop new Spathiphyllum varieties suitable for 4 inch or 6 inch commercial pot production, and with fast growth, and dark green foliage. The new variety originated from a cross pollination of a proprietary, unpatented seed parent referred to as ‘03-3-1’ and the pollen parent, ‘Power Petite’ U.S. Plant Pat. No. 15,649. The crossing was made during April 2005.
The new variety was discovered by the inventor, Marian Osiecki, a citizen of the US, in September 2006 in a group of seedlings resulting from the crossing. The new cultivar was found in a commercial greenhouse in Altha, Fla.
Asexual reproduction of the new cultivar ‘S42’ was first performed at a commercial laboratory in Altha, Fla. by tissue culture in April of 2007. Subsequent propagation by tissue culture has shown that the unique features of this cultivar are stable and reproduced true to type.
SUMMARY OF THE INVENTION
The cultivar ‘S42’ has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, day length, and light intensity, without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘S42.’ These characteristics in combination distinguish ‘S42’ as a new and distinct Spathiphyllum cultivar:
    • 1. Very dark green, broad foliage.
    • 2. Early production of secondary foliage, resulting in a full plant growth earlier.
    • 3. Rapidly growing and short, compact growth habit.
    • 4. Maintains very dark green color under higher than normal light conditions, or low nutrient levels.
    • 5. Spathe production in response to Gibberellic Acid treatment after 10 weeks.
    • 6. Plant habit suitable for 4 inch or 6 inch commercial pots.
    • 7. High number of spathes produced on average.
PARENT COMPARISON
Plants of the new cultivar ‘S42’ are similar to the seed parent in most horticultural characteristics. The new variety, however, produces shorter, more compact plants. Additionally, ‘S42’ produces thicker, shorter, narrower leaf blades and shorter petioles than the seed parent. Spathes of ‘S42’ are smaller and closer to the foliage than the spathes of the seed parent. ‘S42’ has also shown better resistance to the diseases Myrothecium and leaf Phytophthora than the seed parent. ‘S42’ produces spathes earlier and more abundantly than ‘03-3-1’.
Plants of the new cultivar ‘S42’ are similar to the pollen parent ‘Power Petite’ U.S. Plant Pat. No. 15,649 in most horticultural characteristics. Plants of the new variety however are more vigorous and faster growing than ‘Power Petite’. Additionally, ‘S42’ produces more leaves, and produces additional foliage earlier than ‘Power Petite’. Plants of ‘S42’ are taller than plants of ‘Power Petite’. Foliage of the two varieties differs; ‘S42’ produces wider, darker, more upright foliage with less undulation on the leaf blade than ‘Power Petite’. Additionally, plants of ‘S42’ produce spathes earlier and more abundantly than ‘Power Petite’. Plants of ‘S42’ respond after 10 weeks to the normal GA treatment given to commercial Spathiphyllum plants, whereas ‘Power Petite’ responds after 14 weeks. Spathes of ‘S42’ are produced closer to the foliage than those of ‘Power Petite’.
COMMERCIAL COMPARISON
‘S42’ can be compared to compared to the commercial variety Spathiphyllum ‘S9’ U.S. Plant Pat. No. 9,901 Plants of ‘S9’ are similar to plants of ‘S42’ in most horticultural characteristics, however, plants of ‘S42’ are larger and faster growing than ‘S9’. ‘S42’ has much darker, glossier leaves than ‘S9.’ Additionally ‘S42’ produces more shoots and has a wider leaf with a less undulating leaf margin than ‘S9’. Spathes on plants of ‘S42’ are closer to the foliage than the spathes produced on plants of ‘S9’.
‘S42’ can be compared to compared to the commercial variety Spathiphyllum ‘54905’ U.S. Plant Pat. No. 13,718. Plants of ‘54905’ are similar to plants of ‘S42’ in most horticultural characteristics, however, plants of ‘S42’ are shorter than plants of ‘54905’. ‘S42’ has much darker, glossier leaves that are shorter in length than foliage of ‘54905.’ Additionally ‘S42’ produces foliage with an upright orientation, whereas foliage of ‘54905’ is outwardly arched, creating a more open plant form. Spathes on plants of ‘S42’ are closer to the foliage than the spathes produced on plants of ‘54905’ Spathes of ‘S42’ are more elongated compared to the rounder spathe shape of ‘54905’.
TABLE 1
Serial Number
Variety Co-pending Plant Height Spathe width
‘S39’ 13/200,513 30 cm to top of foliar plane. 6 cm
58 cm to top of spathe.
‘S40’ 13/200,514 35 cm to top of foliar plane. 4.5 to 5.0 cm
65 cm to top of spathe.
‘S41’ 13/200,515 55 cm to top of foliar plane. 6 to 8 cm
80 cm to top of spathe.
‘S42’ 13/200,509 45 cm to top of foliar plane. 4 to 6 cm
65 cm to top of spathe.
‘S43’ 13/200,510 60 cm to top of foliar plane. 5 to 7 cm
80 cm to top of spathe.
Spathe Mature Spathe
Variety Length Color Quantity of Leaves
‘S39’ 10-12 cm Front: White 155C 70 to 90 in an average
Back: White 155C of 6 clumps
‘S40’ 9 to 12 Front: Green-White 50 to 60 in an average
cm 157C of 4 to 5 clumps
Back: Green-White
157C, veins and flush
near veins Green 143C
‘S41’ 14 to 16 Front: White 155C 40 to 65 in an average
cm Back: White 155C of 8 clumps.
mid vein near Green
143A
‘S42’ 10 to 14 Front: White 155C, but 100 to 180 in an
cm more clear white. average of 12 to 15
Back: White 155C, but clumps.
more clear white mid
vein near Green 143A
‘S43’ 12 to 14 Front: White 155C, but 60 to 100 in an
cm more clear white. average of 8 to 10
Back: White 155C, but clumps.
more clear white mid
vein near Green 143A
BRIEF DESCRIPTION OF THE PHOTOGRAPH
The accompanying photograph in FIG. 1 illustrates in full color a typical plant of ‘S42’ grown in a greenhouse in Altha, Fla.
This plant is approximately 9 months old, shown in a 6 inch pot. The photograph was taken using conventional techniques and although colors may appear different from actual colors due to light reflectance it is as accurate as possible by conventional photographic techniques.
 DETAILED BOTANICAL DESCRIPTION
In the following description, color references are made to The Royal Horticultural Society Colour Chart 2001, except where general terms of ordinary dictionary significance are used. The following observations and measurements describe ‘S42’ plants grown in a climate controlled greenhouse in Altha, Fla., USA. Temperatures ranged from 20° C. to 25° C. at night to 25° C. to 32° C. during the day. No artificial light, photoperiodic treatments were given to the plants. Plants were treated with Giberellic Acid at 200 ppm, to induce spathe production in approximately 9 weeks. Plants were grown in 80% shade, resulting in approximately 800 to 1200 foot candles of light. Measurements and numerical values represent averages of typical plant types.
  • Botanical classification: Spathiphyllum hybrid ‘S42’.
PROPAGATION
  • Time to initiate roots: Approximately 14 days at approximately 25° C. soil temperature.
  • Time to produce a fully rooted plantlet: Approximately 15 weeks at approximately 25 to 30° C. soil temperature.
  • Root description: Thick, fleshy roots with fine, fibrous lateral roots. Color near Orange-White 158D.
PLANT
  • Growth habit: Leaves growing directly from base of plant, with no stems.
  • Plant shape: Upright, leaves arching out to nearly horizontal.
  • Height: Approximately 40 cm to top of foliar plane. Approximately 65 cm to top of tallest spathe.
  • Plant spread: Approximately 80 cm in a 6 inch pot.
  • Normal pot size: 6 inch and larger.
  • Growth rate: Moderate.
  • Branching characteristics: No branching. Leaves emerge direct from base of plant.
  • Number of clumps of leaves: 12 to 15.
  • Number of leaves per clump: Average 8 to 12.
  • Number of leaves per plant: Approximately 100 to 180.
  • Age of plant described: Approximately 9 months.
FOLIAGE
  • Leaf:
      • Arrangement.—Single leaves emerging basally.
      • Average length(excluding petiole of fully expanded leaf).—Approximately 20 cm.
      • Average width.—Approximately 10 cm.
      • Shape of blade.—Ovate.
      • Aspect.—Slightly undulating, mainly at margin, entire leaf slightly recurved.
      • Apex.—Moderately cirrose.
      • Base.—Rounded.
      • Margin.—Entire.
      • Texture of top surface.—Smooth, glossy.
      • Texture of bottom surface.—Smooth, glossy.
      • Color.—Young foliage upper side: Near R.H.S. Green137A. Young foliage under side: Near R.H.S. Green 137A. Mature foliage upper side: Near R.H.S. Green139A, but darker. Mature foliage under side: Near R.H.S. Green 137A.
  • Venation:
      • Type.—Pinnate.
      • Venation coloration upper side.—Near RHS Green 139A.
      • Venation coloration under side.—Near RHS Green 143C.
  • Petiole:
      • Length.—Approximate range between 10 and 20 cm.
      • Width.—At geniculum: Approximately 0.5 cm. Above clump: Approximately 0.8 cm.
      • Color.—Near RHS Green 137A.
      • Strength.—Strong.
      • Other.—Petiole wing present.
  • Geniculum:
      • Length.—Approximately 2.5 cm.
      • Width.—Approximately 0.5 cm.
      • Color.—Near RHS Green 143B.
  • Petiole wing/petiole sheath:
      • Length.—Approximately same length as individual petiole.
      • Width.—Approximately 0.4 to 1.0 cm.
      • Color.—Near RHS Green 139A.
INFLORESCENCE
  • Arrangement: Spathes with spadices held above the foliage on erect peduncles arising from the petiole sheath.
  • Flowering habit: Continuous.
  • Quantity of spathes per plant: On average 6 spathes in good condition.
  • Natural flowering season: Plants are normally treated with Gibberellic Acid to induce flowers year round.
  • Time to flowering: 9 weeks after Gibberellic Acid treatment.
  • Fragrance: None.
  • Self-cleaning or persistent: Persistent.
  • Flower longevity: Flowers stay in good condition approximately 5 weeks on the plant.
  • Spathe:
      • Aspect.—Cupped.
      • Length.—Approximately 10 to 14 cm.
      • Width.—Approximately 4.0 to 6.0 cm.
      • Shape.—Ovate.
      • Margin.—Entire.
      • Apex.—Apiculate.
      • Base.—Cuneate, non-symmetrical.
      • Color.—Front when opening: Near RHS White 155C. Back when opening: Near RHS White 155C. Front when mature: Near RHS White 155C, but more clear white. Back when mature: Near RHS White 155C, but more clear white mid vein near Green 143A. Front Fading to: Near RHS Yellow-Green 144C. Back Fading to: Near RHS Green 143C, mid vein Green 143A.
  • Spadix:
      • Shape.—Columnar, arising from the top of the peduncle.
      • Tip.—Obtuse.
      • Base.—Obtuse.
      • Length.—Approximately 5.5 cm.
      • Width.—Approximately 1.5 cm.
      • Color.—When opening: Near RHS White 155D. Mature: Near RHS Green 143A.
      • Quantity of flowers per spadix.—Approximately 138.
      • Spadix flower arrangement.—Bisexual, rounded.
      • Spadix flower description.—Flowers completely compressed and diminished to the point of not measurable.
  • Peduncle:
      • Length.—Approximately 23 to 31 cm, measured from base, which emerges from leaf axil.
      • Width.—Approximately 0.4 cm.
      • Color.—Near RHS Green 143A.
      • Strength.—Very strong.
REPRODUCTIVE ORGANS
  • All flower parts and reproductive organs are highly reduced, to the point of not measurable:
      • Quantity of pollen.—Moderate.
      • Pollen color.—Near RHS 155D.
OTHER CHARACTERISTICS
  • Disease resistance: Neither resistance nor susceptibility to diseases or pests has been observed in this variety.
  • Drought tolerance and cold tolerance: The new cultivar is a typical Spathiphyllum, cold tolerant to approximately 5 to 7° C. and does not tolerate drought.
  • Fruit/seed production: Not observed.

Claims (1)

What is claimed is:
1. A new and distinct cultivar of Spathiphyllum plant named ‘S42’ as herein illustrated and described.
US13/200,509 2011-09-23 2011-09-23 Spathiphyllum plant named ‘S42’ Active USPP23737P2 (en)

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