USPP16488P3 - Zoysiagrass plant named ‘Z-89’ - Google Patents

Zoysiagrass plant named ‘Z-89’ Download PDF

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Publication number
USPP16488P3
USPP16488P3 US10/624,966 US62496603V USPP16488P3 US PP16488 P3 USPP16488 P3 US PP16488P3 US 62496603 V US62496603 V US 62496603V US PP16488 P3 USPP16488 P3 US PP16488P3
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color
zoysiagrass
leaf
toro
new variety
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US10/624,966
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US20050022281P1 (en
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John W. B. Rockie
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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
    • A01H5/12—Leaves
    • 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
    • A01H6/46—Gramineae or Poaceae, e.g. ryegrass, rice, wheat or maize
    • A01H6/469—Zoysia

Definitions

  • the present invention relates to a new Zoysia sp. plant.
  • the present invention relates to a new and distinct variety of Zoysia sp., which is a member of the Graminae family.
  • the new variety, Z-89, also referred to herein as Z99-89 is the result of five generations of crossing, beginning with a cross of Z. japonica ⁇ Z. matrella , and the reciprocal cross; Z. tenuifolia was introduced in the third generation of crosses.
  • the pedigree is shown in FIG. 1 .
  • the first cross was field-pollinated. All succeeding generations of crosses were hand-pollinated under greenhouse conditions, and seed was germinated under greenhouse conditions. Seedlings were individually cultured in a greenhouse before being transplanted to the field for evaluation and selection.
  • the new variety of zoysiagrass, Z-89 exhibits a finer leaf texture, an improved color and an improved growth habit compared to other currently available commercial zoysiagrass varieties.
  • the new variety is vegetatively propagated from sod, plugs, tillers or stolon and rhizome pieces. Asexual propagation in Oahu, Hi. has established that the combination of characteristics of the new variety are transmitted through succeeding generations. However, seed is genetically unstable.
  • the leaf size is intermediate between its ancestors El Toro and Emerald, giving its appearance a finer texture than El Toro. It possesses the dark green color of El Toro, and lacks the hummocky growth habit and stiff leaf of emerald. The growth rate is also intermediate between El Toro and Emerald.
  • FIG. 1 is a diagram showing the pedigree of Z-89.
  • FIG. 2 shows the turf appearance of the new variety.
  • FIG. 3 shows the appearance of a single leaf of the new variety as compared to that of ‘El Toro.’
  • FIG. 4 depicts the leaf orientation of the new variety and of the ‘El Toro’ variety.
  • FIG. 5 shows stolons of the new variety compared with ‘El Toro.’
  • the new variety ‘Z-89’ is characterized by a finer leaf texture, an improved color and an improved growth habit compared to other currently available commercial Zoysiagrass varieties.
  • the following description is of 8 months-old plants grown in Oahu, Hi. with color descriptions in accordance with the Colour Chart of The Royal Horticultural Society, London (4 th ed. 1995). All dimensions are in millimeters, weights in grams (unless otherwise stated).

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

Abstract

Described is a new Zoysiagrass variety characterized by a finer leaf texture, an improved color and an improved growth habit compared to other Zoysiagrass varieties.

Description

Latin name of genus and species: The present invention relates to a new Zoysia sp. plant.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct variety of Zoysia sp., which is a member of the Graminae family.
The new variety, Z-89, also referred to herein as Z99-89, is the result of five generations of crossing, beginning with a cross of Z. japonica×Z. matrella, and the reciprocal cross; Z. tenuifolia was introduced in the third generation of crosses. The pedigree is shown in FIG. 1. The first cross was field-pollinated. All succeeding generations of crosses were hand-pollinated under greenhouse conditions, and seed was germinated under greenhouse conditions. Seedlings were individually cultured in a greenhouse before being transplanted to the field for evaluation and selection.
Periodic drought conditions in Hawaii have increased the need for improved warm season turfgrass varieties. Zoysiagrasses are well adapted for use under such conditions because of their low water use rates and high heat tolerance.
SUMMARY OF THE INVENTION
The new variety of zoysiagrass, Z-89, exhibits a finer leaf texture, an improved color and an improved growth habit compared to other currently available commercial zoysiagrass varieties. The new variety is vegetatively propagated from sod, plugs, tillers or stolon and rhizome pieces. Asexual propagation in Oahu, Hi. has established that the combination of characteristics of the new variety are transmitted through succeeding generations. However, seed is genetically unstable.
COMPARISON TO EL TORO AND EMERALD
The leaf size is intermediate between its ancestors El Toro and Emerald, giving its appearance a finer texture than El Toro. It possesses the dark green color of El Toro, and lacks the hummocky growth habit and stiff leaf of emerald. The growth rate is also intermediate between El Toro and Emerald.
BRIEF DESCRIPTION OF ILLUSTRATION(S)
FIG. 1 is a diagram showing the pedigree of Z-89.
FIG. 2 shows the turf appearance of the new variety.
FIG. 3 shows the appearance of a single leaf of the new variety as compared to that of ‘El Toro.’
FIG. 4 depicts the leaf orientation of the new variety and of the ‘El Toro’ variety.
FIG. 5 shows stolons of the new variety compared with ‘El Toro.’
 DESCRIPTION OF THE NEW VARIETY
The new variety ‘Z-89’ is characterized by a finer leaf texture, an improved color and an improved growth habit compared to other currently available commercial Zoysiagrass varieties. The following description is of 8 months-old plants grown in Oahu, Hi. with color descriptions in accordance with the Colour Chart of The Royal Horticultural Society, London (4th ed. 1995). All dimensions are in millimeters, weights in grams (unless otherwise stated).
  • Leaf color: Near 137A (upper surface); near 139A (underside).
  • Stolon color: Near N79B.
  • Leaf length: From 3.2 cm to 9.9 cm; average length 5.7 cm.
  • Leaf width: From 1.5 mm to 3.0 mm; average width 2.2 mm.
  • Internode length: From 0.4 cm to 2.9 cm; average length 1.7 cm.
  • Internode thickness: From 1.2 mm to 2.1 mm; average 1.6 mm.
  • Raceme length: From 2.7 cm to 9.9 cm, average length 5.0 cm.
  • Culm height: From 7.5 cm to 13.1 cm; average 9.0 cm.
  • Pedicel: From 1.0 mm to 2.1 mm; average 1.5 mm.
  • Ligule: Hairs at ligule area from 2.5 mm to 3.0 mm; hairs on side of ligule 0.5 mm to 4.0 mm.
  • Spikelet with anthers and stigma exerted: Color from near N77C to near N186C.
  • Mature spikelets: Color from near N79A to near 158A.
  • Palea and lemma: Color is near N144A. Immature seed color is near N79B. Ripe see color is near 19C. Seeds: About 2.5 to 3 mm in length and 0.5 to 0.75 mm in width.
Winter color retention and spring green-up are impossible to evaluate in Hawaii's climate.

Claims (1)

1. A new Zoysiagrass plant of the variety substantially as shown and described.
US10/624,966 2003-07-21 2003-07-21 Zoysiagrass plant named ‘Z-89’ Expired - Lifetime USPP16488P3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/624,966 USPP16488P3 (en) 2003-07-21 2003-07-21 Zoysiagrass plant named ‘Z-89’

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/624,966 USPP16488P3 (en) 2003-07-21 2003-07-21 Zoysiagrass plant named ‘Z-89’

Publications (2)

Publication Number Publication Date
US20050022281P1 US20050022281P1 (en) 2005-01-27
USPP16488P3 true USPP16488P3 (en) 2006-05-02

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